Final California 2020 Integrated Report (303(d) List/305(b) Report)

Supporting Information

Regional Board 4 - Los Angeles Region

Water Body Name:	Seal Beach (Orange County)
Water Body ID:	CAX8011100019991013160405
Water Body Type:	Coastal & Bay Shoreline


DECISION ID	77585	Region 4
Seal Beach (Orange County)

Pollutant:	Indicator Bacteria
Final Listing Decision:	Do Not Delist from 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision:	Do Not Delist from 303(d) list (TMDL required list)(2016)
Revision Status	Original
Sources:	A Source Unknown
Expected TMDL Completion Date:	2019
Impairment from Pollutant or Pollution:	Pollutant

Regional Board Conclusion:	This pollutant is being considered for removal from the CWA section 303(d) List under section 4.2 of the Listing Policy. Under section 4.2 a single line of evidence is necessary to assess listing status. Thirty Seven (37) lines of evidence are available in the administrative record to assess this pollutant. Two hundred and Forty Eight (248) of 2513 samples exceed the Enterococcus Geomean Objective. Twenty Seven (27) of 291 samples exceed the Enterococcus Single Sample Objective. Sixty Five (65) of 2645 samples exceed the Fecal Coliform Geomean Objective. Seventeen (17) of 284 samples exceed the Fecal Coliform Single Sample Objective. Twenty Seven (27) of 3295 samples exceed the Total Coliform Geomean Objective. Three (3) of 282 samples exceed the Total Coliform Single Sample Objective. Two (2) of six (6) samples exceed the E. coli Single Sample Objective. Based on the readily available data and information, the weight of evidence indicates that there is not sufficient justification for removing this water segment-pollutant combination from the CWA section 303(d) List. This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. Two hundred and Forty Eight (248) of the 2513 samples exceed the Enterococcus Geomean Objective, 65 of the 2645 samples exceed the Fecal Coliform Geomean Objective, 27 of the 3295 samples exceed the Total Coliform Geomean, and this does exceed the frequency listed in table 4.2 4. Twenty Seven (27) of the 291 samples exceed the Enterococcus Single Sample Objective, 17 of the 284 samples exceed the Fecal Coliform Single Sample Objective, Three (3) of the 282 samples exceed the Total Coliform Single Sample Objective, Two (2) of six(6) samples exceed the E. coli Single Sample Objective, and this does not exceed the frequency listed in table 4.2. 5. Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met. 2010 listing cycle Decision Relationships: This pollutant is being considered for removal from the section 303(d) list under section 4.2 of the Listing Policy. Under this section a single line of evidence is necessary to assess listing status. Five (5) lines of evidence are available in the administrative record to assess this pollutant. Each line of evidence represents a station that was sampled. A total of 218 samples exceeded the water quality objective out of 2311 samples taken. The data indicates that there is continued impairment at the station on 1st Street. At the 1st Street station, one hundred fifty-five samples exceeded out of 537 samples taken. Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against removing this water segment-pollutant combination from the section 303(d) list. This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. One hundred fifty-five of 537 samples exceeded the Ocean Plan Standard and this exceeds the allowable frequency listed in Table 4.2 of the Listing Policy. 4. Pursuant to section 4.11 of the Listing Policy, no additional data and information are available indicating that standards are met.

Regional Board Decision Recommendation:	After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be removed from the section 303(d) list because applicable water quality standards for the pollutant are being exceeded.

State Board Review of Regional Board Conclusion and Recommendation:	2010 listing cycle Decision Relationships: This pollutant is being considered for removal from the section 303(d) list under section 4.2 of the Listing Policy. Under this section a single line of evidence is necessary to assess listing status. Five (5) lines of evidence are available in the administrative record to assess this pollutant. Each line of evidence represents a station that was sampled. A total of 218 samples exceeded the water quality objective out of 2311 samples taken. The data indicates that there is continued impairment at the station on 1st Street. At the 1st Street station, one hundred fifty-five samples exceeded out of 537 samples taken. Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against removing this water segment-pollutant combination from the section 303(d) list. This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. One hundred fifty-five of 537 samples exceeded the Ocean Plan Standard and this exceeds the allowable frequency listed in Table 4.2 of the Listing Policy. 4. Pursuant to section 4.11 of the Listing Policy, no additional data and information are available indicating that standards are met.

State Board Decision Recommendation:	After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.

Line of Evidence (LOE) for Decision ID 77585, Indicator Bacteria	Region 4
Seal Beach (Orange County)

LOE ID:

8243

Pollutant:

Total Coliform

LOE Subgroup:

Pollutant-Water

Matrix:

Water

Fraction:

None

Beneficial Use:

Water Contact Recreation

Number of Samples:

137

Number of Exceedances:

Data and Information Type:

PATHOGEN MONITORING

Data Used to Assess Water Quality:

Of the 137 samples collected, 9 exceeded the standards/guidelines listed above.

Data Reference:

Bacteria data for Orange County beaches downloaded from Orange County Health Care website.

SWAMP Data:

Non-SWAMP

Water Quality Objective/Criterion:

As stated in the California Ocean Plan, under the SWRCB Water-Contact Standards using a30d geometric mean maximum, within a zone bounded by the shoreline and a distance of 1,000 feet from the shoreline or the 30-foot depth contour, whichever is further from the shoreline, and in areas outside this zone used for water contact sports, as determined by the Regional Board (i.e., waters designated as REC-1), but including all kelp* beds, the following bacterial objectives shall be maintained throughout the water column: Total Coliform density shall not exceed 1,000 per 100 ml

Objective/Criterion Reference:

Water Quality Control Plan Ocean Waters of California. California Ocean Plan 2005. Sacramento, CA: State Water Resources Control Board, California Environmental Protection Agency

Evaluation Guideline:

Guideline Reference:

Spatial Representation:

The 137 samples were collected at the 1st Street station located in Seal Beach/Surfside.

Temporal Representation:

The 137 samples were collected weekly between April 2004 and December 2006

Environmental Conditions:

The data spanned 3 entire years including wet and dry seasons.

QAPP Information:

The data¿s quality is deemed appropriate because it was collected by the Orange County Environmental Health Agency and provided to the Regional Board via the State Water Resources Control Board for the sole purpose of the water quality assessment and update of the 2008 303d list. The EPA Method/Analytical Detection Limit used was MF_APHA_922_B.

QAPP Information Reference(s):

Line of Evidence (LOE) for Decision ID 77585, Indicator Bacteria	Region 4
Seal Beach (Orange County)

LOE ID:

8247

Pollutant:

Enterococcus

LOE Subgroup:

Pollutant-Water

Matrix:

Water

Fraction:

None

Beneficial Use:

Water Contact Recreation

Number of Samples:

474

Number of Exceedances:

Data and Information Type:

PATHOGEN MONITORING

Data Used to Assess Water Quality:

Of the 474 samples, 11 exceeded the Ocean Plan standard of 35 mpn for Enterococcus.

Data Reference:

Bacteria data for Orange County beaches downloaded from Orange County Health Care website.

SWAMP Data:

Non-SWAMP

Water Quality Objective/Criterion:

As stated in the California Ocean Plan, under the SWRCB Water-Contact Standards using a 30d geometric mean maximum, within a zone bounded by the shoreline and a distance of 1,000 feet from the shoreline or the 30-foot depth contour, whichever is further from the shoreline, and in areas outside this zone used for water contact sports, as determined by the Regional Board (i.e., waters designated as REC-1), but including all kelp* beds, the following bacterial objectives shall be maintained throughout the water column: Enterococcus density shall not exceed 35 per 100 ml

Objective/Criterion Reference:

Water Quality Control Plan Ocean Waters of California. California Ocean Plan 2005. Sacramento, CA: State Water Resources Control Board, California Environmental Protection Agency

Evaluation Guideline:

Guideline Reference:

Spatial Representation:

The 474 samples were collected at the 14th Street station located in Seal Beach/Surfside.

Temporal Representation:

The 474 samples were collected weekly between March 31, 1999 and December 29, 2008

Environmental Conditions:

The data spanned wet and dry seasons.

QAPP Information:

Data was obtained from the Orange County Environmental Health Agency website The EPA Method used was EPA_1600.

QAPP Information Reference(s):

Line of Evidence (LOE) for Decision ID 77585, Indicator Bacteria	Region 4
Seal Beach (Orange County)

LOE ID:

82471

Pollutant:

Enterococcus

LOE Subgroup:

Pollutant-Water

Matrix:

Water

Fraction:

None

Beneficial Use:

Water Contact Recreation

Number of Samples:

Number of Exceedances:

Data and Information Type:

Not Specified

Data Used to Assess Water Quality:

Zero of the 18 geomeans exceeded the objective.

Data Reference:

Data for Region 8 Beach Watch.

SWAMP Data:

Non-SWAMP

Water Quality Objective/Criterion:

The standard for enterococcus states that the density shall not exceed 35 per 100 mL. Water Quality Control Plan for Ocean Waters 2009.

Objective/Criterion Reference:

California Ocean Plan Water Quality Control Plan Ocean Waters of California 2009

Evaluation Guideline:

Guideline Reference:

Spatial Representation:

Samples were collected at 100 YDS S OF PIER.

Temporal Representation:

Samples were collected approximately twelve times a month from January 2009 to January 2010 and twice in August 2010.

Environmental Conditions:

QAPP Information:

The samples were collected for the beach watch program.

QAPP Information Reference(s):

Line of Evidence (LOE) for Decision ID 77585, Indicator Bacteria	Region 4
Seal Beach (Orange County)

LOE ID:

82419

Pollutant:

Enterococcus

LOE Subgroup:

Pollutant-Water

Matrix:

Water

Fraction:

None

Beneficial Use:

Water Contact Recreation

Number of Samples:

194

Number of Exceedances:

Data and Information Type:

PATHOGEN MONITORING

Data Used to Assess Water Quality:

Water Board staff assessed BW data for Seal Beach to determine beneficial use support and results are as follows: 20 of 194 samples exceed the criterion for Enterococci.

Data Reference:

Data for Region 4 Beach Watch.

SWAMP Data:

Non-SWAMP

Water Quality Objective/Criterion:

California Ocean Plan (SWRCB 2009) single sample maximum states that enterococcus density shall not exceed 104 per 100 mL.

Objective/Criterion Reference:

California Ocean Plan Water Quality Control Plan Ocean Waters of California 2009

Evaluation Guideline:

Guideline Reference:

Spatial Representation:

Data for this line of evidence for Seal Beach was collected at 1 monitoring site [ 1ST STREET]

Temporal Representation:

Data was collected over the time period 4/20/2005-1/6/2010.

Environmental Conditions:

Staff is not aware of any special conditions that might affect interpretation of the data.

QAPP Information:

The samples were collected for the Beach Watch program.

QAPP Information Reference(s):

Line of Evidence (LOE) for Decision ID 77585, Indicator Bacteria	Region 4
Seal Beach (Orange County)

LOE ID:

82472

Pollutant:

Enterococcus

LOE Subgroup:

Pollutant-Water

Matrix:

Water

Fraction:

None

Beneficial Use:

Water Contact Recreation

Number of Samples:

Number of Exceedances:

Data and Information Type:

Not Specified

Data Used to Assess Water Quality:

Zero of the 16 geomeans exceeded the objective.

Data Reference:

Data for Region 8 Beach Watch.

SWAMP Data:

Non-SWAMP

Water Quality Objective/Criterion:

The standard for enterococcus states that the density shall not exceed 35 per 100 mL. Water Quality Control Plan for Ocean Waters 2009.

Objective/Criterion Reference:

California Ocean Plan Water Quality Control Plan Ocean Waters of California 2009

Evaluation Guideline:

Guideline Reference:

Spatial Representation:

Samples were collected at 14TH STREET.

Temporal Representation:

Samples were collected approximately twelve times a month from January 2009 to January 2010 and twice in August 2010.

Environmental Conditions:

QAPP Information:

The samples were collected for the beach watch program.

QAPP Information Reference(s):

Line of Evidence (LOE) for Decision ID 77585, Indicator Bacteria	Region 4
Seal Beach (Orange County)

LOE ID:

82473

Pollutant:

Enterococcus

LOE Subgroup:

Pollutant-Water

Matrix:

Water

Fraction:

None

Beneficial Use:

Water Contact Recreation

Number of Samples:

Number of Exceedances:

Data and Information Type:

Not Specified

Data Used to Assess Water Quality:

Zero of the 16 geomeans exceeded the objective.

Data Reference:

Data for Region 8 Beach Watch.

SWAMP Data:

Non-SWAMP

Water Quality Objective/Criterion:

The standard for enterococcus states that the density shall not exceed 35 per 100 mL. Water Quality Control Plan for Ocean Waters 2009.

Objective/Criterion Reference:

California Ocean Plan Water Quality Control Plan Ocean Waters of California 2009

Evaluation Guideline:

Guideline Reference:

Spatial Representation:

Samples were collected at 8TH STREET.

Temporal Representation:

Samples were collected approximately twelve times a month from January 2009 to January 2010 and twice in August 2010.

Environmental Conditions:

QAPP Information:

The samples were collected for the beach watch program.

QAPP Information Reference(s):

Line of Evidence (LOE) for Decision ID 77585, Indicator Bacteria	Region 4
Seal Beach (Orange County)

LOE ID:

8244

Pollutant:

Enterococcus

LOE Subgroup:

Pollutant-Water

Matrix:

Water

Fraction:

None

Beneficial Use:

Water Contact Recreation

Number of Samples:

501

Number of Exceedances:

Data and Information Type:

PATHOGEN MONITORING

Data Used to Assess Water Quality:

Of the 501 samples collected, 39 exceeded the following criteria, or guidelines as stated in the Ocean Plan: Enterococcus <35MPN/100mL

Data Reference:

Bacteria data for Orange County beaches downloaded from Orange County Health Care website.

SWAMP Data:

Non-SWAMP

Water Quality Objective/Criterion:

As stated in the California Ocean Plan, under the SWRCB Water-Contact Standards using a 30d geometric mean maximum, within a zone bounded by the shoreline and a distance of 1,000 feet from the shoreline or the 30-foot depth contour, whichever is further from the shoreline, and in areas outside this zone used for water contact sports, as determined by the Regional Board (i.e., waters designated as REC-1), but including all kelp* beds, the following bacterial objectives shall be maintained throughout the water column: Enterococcus density shall not exceed 35 per 100 ml

Objective/Criterion Reference:

Water Quality Control Plan Ocean Waters of California. California Ocean Plan 2005. Sacramento, CA: State Water Resources Control Board, California Environmental Protection Agency

Evaluation Guideline:

Guideline Reference:

Spatial Representation:

The 501 samples were collected at the 8th Street station located in Seal Beach/Surfside.

Temporal Representation:

The 501 samples were collected weekly between March 31, 1999 and December 29, 2008

Environmental Conditions:

The data spanned wet and dry seasons.

QAPP Information:

Data was collected by the Orange County Environmental Health Agency. The EPA Method used was EPA_1600.

QAPP Information Reference(s):

Line of Evidence (LOE) for Decision ID 77585, Indicator Bacteria	Region 4
Seal Beach (Orange County)

LOE ID:

8250

Pollutant:

Enterococcus

LOE Subgroup:

Pollutant-Water

Matrix:

Water

Fraction:

None

Beneficial Use:

Water Contact Recreation

Number of Samples:

482

Number of Exceedances:

Data and Information Type:

PATHOGEN MONITORING

Data Used to Assess Water Quality:

Of the 482 samples collected, 0 exceeded the following criteria, or guidelines as stated in the Ocean Plan: Enterococcus <35MPN/100mL

Data Reference:

Bacteria data for Orange County beaches downloaded from Orange County Health Care website.

SWAMP Data:

Non-SWAMP

Water Quality Objective/Criterion:

As stated in the California Ocean Plan, under the SWRCB Water-Contact Standards using a 30d geometric mean maximum, within a zone bounded by the shoreline and a distance of 1,000 feet from the shoreline or the 30-foot depth contour, whichever is further from the shoreline, and in areas outside this zone used for water contact sports, as determined by the Regional Board (i.e., waters designated as REC-1), but including all kelp* beds, the following bacterial objectives shall be maintained throughout the water column: Enterococcus density shall not exceed 35 per 100 ml

Objective/Criterion Reference:

Water Quality Control Plan Ocean Waters of California. California Ocean Plan 2005. Sacramento, CA: State Water Resources Control Board, California Environmental Protection Agency

Evaluation Guideline:

Guideline Reference:

Spatial Representation:

The 482 samples were collected at the Sea Way station located in Seal Beach/Surfside.

Temporal Representation:

The 482 samples were collected weekly between March 31, 1999 and December 29, 2008

Environmental Conditions:

The data spanned wet and dry seasons.

QAPP Information:

Data was obtained from the Orange County Environmental Health Agency website. The EPA Method used was EPA_1600.

QAPP Information Reference(s):

Line of Evidence (LOE) for Decision ID 77585, Indicator Bacteria	Region 4
Seal Beach (Orange County)

LOE ID:

82474

Pollutant:

Enterococcus

LOE Subgroup:

Pollutant-Water

Matrix:

Water

Fraction:

None

Beneficial Use:

Water Contact Recreation

Number of Samples:

152

Number of Exceedances:

Data and Information Type:

Not Specified

Data Used to Assess Water Quality:

Thirteen of the 152 geomeans exceeded the entercoccus objective.

Data Reference:

Data for Region 8 Beach Watch.

SWAMP Data:

Non-SWAMP

Water Quality Objective/Criterion:

The geometric mean standard for entercoccus states that the fecal coliform density shall not exceed 35 per 100 mL. Water Quality Control Plan for Ocean Waters 2009.

Objective/Criterion Reference:

California Ocean Plan Water Quality Control Plan Ocean Waters of California 2009

Evaluation Guideline:

Guideline Reference:

Spatial Representation:

Samples were collected from 1ST Street.

Temporal Representation:

Samples were collected approximately once a week from 2005 to 2010.

Environmental Conditions:

QAPP Information:

The samples were collected for the Beach Watch program.

QAPP Information Reference(s):

Line of Evidence (LOE) for Decision ID 77585, Indicator Bacteria	Region 4
Seal Beach (Orange County)

LOE ID:

8237

Pollutant:

Enterococcus

LOE Subgroup:

Pollutant-Water

Matrix:

Water

Fraction:

None

Beneficial Use:

Water Contact Recreation

Number of Samples:

317

Number of Exceedances:

Data and Information Type:

PATHOGEN MONITORING

Data Used to Assess Water Quality:

Of the 317 samples collected, 13 exceeded the standards/guidelines listed above.

Data Reference:

Bacteria data for Orange County beaches downloaded from Orange County Health Care website.

SWAMP Data:

Non-SWAMP

Water Quality Objective/Criterion:

As stated in the California Ocean Plan, under the SWRCB Water-Contact Standards using a 30d geometric mean maximum, within a zone bounded by the shoreline and a distance of 1,000 feet from the shoreline or the 30-foot depth contour, whichever is further from the shoreline, and in areas outside this zone used for water contact sports, as determined by the Regional Board (i.e., waters designated as REC-1), but including all kelp* beds, the following bacterial objectives shall be maintained throughout the water column: Enterococcus density shall not exceed 35 per 100 ml

Objective/Criterion Reference:

Water Quality Control Plan Ocean Waters of California. California Ocean Plan 2005. Sacramento, CA: State Water Resources Control Board, California Environmental Protection Agency

Evaluation Guideline:

Guideline Reference:

Spatial Representation:

The 317 samples were collected at the 100 Yards South of Pier station located in Seal Beach/Surfside.

Temporal Representation:

The 317 samples were collected on a weekly basis between July 17, 2002 and December 29, 2008

Environmental Conditions:

The data spanned wet and dry seasons.

QAPP Information:

Data was obtained from the Orange County Environmental Health Agency website. The EPA Method used was EPA_1600

QAPP Information Reference(s):

Line of Evidence (LOE) for Decision ID 77585, Indicator Bacteria	Region 4
Seal Beach (Orange County)

LOE ID:

82470

Pollutant:

Enterococcus

LOE Subgroup:

Pollutant-Water

Matrix:

Water

Fraction:

None

Beneficial Use:

Water Contact Recreation

Number of Samples:

Number of Exceedances:

Data and Information Type:

(VOL.) Chem./phys. monitoring data by quality-assured volunteer program

Data Used to Assess Water Quality:

Two of the six samples exceeded the enterococcus objective. The data was collected by volunteer monitoring groups during three years.

Data Reference:

Data for bacteria in various waterbodies, Feb. 2005-May 2007

SWAMP Data:

Non-SWAMP

Water Quality Objective/Criterion:

The single sample enterococcus concentration shall not exceed more than 104/100ml. California Ocean Plan 2006. Region 8 Basin Plan.

Objective/Criterion Reference:

Water Quality Control Plan Ocean Waters of California. California Ocean Plan 2005. Sacramento, CA: State Water Resources Control Board, California Environmental Protection Agency

Objective/Criterion Reference:

Water Quality Control Plan, Santa Ana River Basin

Evaluation Guideline:

Guideline Reference:

Spatial Representation:

The data was collected from Seal Beach Pier - surf zone.

Temporal Representation:

The data was collected in November 2003, February, May and July 2004, and May 2007.

Environmental Conditions:

QAPP Information:

The data was collected by volunteer monitoring groups under The Southern California Marine Institute Volunteer Monitoring Quality Assurance Project Plan.

QAPP Information Reference(s):

Line of Evidence (LOE) for Decision ID 77585, Indicator Bacteria	Region 4
Seal Beach (Orange County)

LOE ID:

82469

Pollutant:

Enterococcus

LOE Subgroup:

Pollutant-Water

Matrix:

Water

Fraction:

None

Beneficial Use:

Water Contact Recreation

Number of Samples:

Number of Exceedances:

Data and Information Type:

PATHOGEN MONITORING

Data Used to Assess Water Quality:

Water Board staff assessed BeachWatch data for Seal Beach to determine beneficial use support and results are as follows: 5 of 91 samples exceed the criterion for Enterococci.

Data Reference:

Data for Region 8 Beach Watch.

SWAMP Data:

Non-SWAMP

Water Quality Objective/Criterion:

California Ocean Plan (SWRCB 2009) single sample maximum states that enterococcus density shall not exceed 104 per 100 mL.

Objective/Criterion Reference:

California Ocean Plan Water Quality Control Plan Ocean Waters of California 2009

Evaluation Guideline:

Guideline Reference:

Spatial Representation:

Data for this line of evidence for Seal Beach was collected at 3 monitoring sites [ 8TH STREET, 100 YDS S OF PIER, 14TH STREET]

Temporal Representation:

Data was collected over the time period 1/14/2009-1/7/2010.

Environmental Conditions:

Staff is not aware of any special conditions that might affect interpretation of the data.

QAPP Information:

The samples were collected for the Beach Watch program.

QAPP Information Reference(s):

Line of Evidence (LOE) for Decision ID 77585, Indicator Bacteria	Region 4
Seal Beach (Orange County)

LOE ID:

8240

Pollutant:

Total Coliform

LOE Subgroup:

Pollutant-Water

Matrix:

Water

Fraction:

None

Beneficial Use:

Water Contact Recreation

Number of Samples:

313

Number of Exceedances:

Data and Information Type:

PATHOGEN MONITORING

Data Used to Assess Water Quality:

Of the 313 samples collected, 0 exceeded the standards/guidelines listed above.

Data Reference:

Bacteria data for Orange County beaches downloaded from Orange County Health Care website.

SWAMP Data:

Non-SWAMP

Water Quality Objective/Criterion:

As stated in the California Ocean Plan, under the SWRCB Water-Contact Standards using a 30d geometric mean maximum, within a zone bounded by the shoreline and a distance of 1,000 feet from the shoreline or the 30-foot depth contour, whichever is further from the shoreline, and in areas outside this zone used for water contact sports, as determined by the Regional Board (i.e., waters designated as REC-1), but including all kelp* beds, the following bacterial objectives shall be maintained throughout the water column: Total Coliform density shall not exceed 1,000 per 100 ml

Objective/Criterion Reference:

Water Quality Control Plan Ocean Waters of California. California Ocean Plan 2005. Sacramento, CA: State Water Resources Control Board, California Environmental Protection Agency

Evaluation Guideline:

Guideline Reference:

Spatial Representation:

The 313 samples were collected at the 100 Yards South of Pier station located in Seal Beach/Surfside.

Temporal Representation:

The 313 samples were collected weekly between July 17, 2002 and December 29, 2008.

Environmental Conditions:

The data spanned wet and dry seasons.

QAPP Information:

The data¿s quality is deemed appropriate because it was collected by the Orange County Environmental Health Agency. The data was obtained from the Orange County Environmental Health Agency website. The EPA Method used was MF_APHA_922_B.

QAPP Information Reference(s):

Line of Evidence (LOE) for Decision ID 77585, Indicator Bacteria	Region 4
Seal Beach (Orange County)

LOE ID:

8249

Pollutant:

Total Coliform

LOE Subgroup:

Pollutant-Water

Matrix:

Water

Fraction:

None

Beneficial Use:

Water Contact Recreation

Number of Samples:

653

Number of Exceedances:

Data and Information Type:

PATHOGEN MONITORING

Data Used to Assess Water Quality:

Of the 653 samples collected, 2 exceeded the standards/guidelines listed above.

Data Reference:

Bacteria data for Orange County beaches downloaded from Orange County Health Care website.

SWAMP Data:

Non-SWAMP

Water Quality Objective/Criterion:

As stated in the California Ocean Plan, under the SWRCB Water-Contact Standards using a 30d geometric mean maximum, within a zone bounded by the shoreline and a distance of 1,000 feet from the shoreline or the 30-foot depth contour, whichever is further from the shoreline, and in areas outside this zone used for water contact sports, as determined by the Regional Board (i.e., waters designated as REC-1), but including all kelp* beds, the following bacterial objectives shall be maintained throughout the water column: Total Coliform density shall not exceed 1,000 per 100 ml

Objective/Criterion Reference:

Water Quality Control Plan Ocean Waters of California. California Ocean Plan 2005. Sacramento, CA: State Water Resources Control Board, California Environmental Protection Agency

Evaluation Guideline:

Guideline Reference:

Spatial Representation:

The 653 samples were collected at the 14th Street station located in Seal Beach/Surfside.

Temporal Representation:

The 653 samples were collected between April 30, 1993 and December 29, 2008

Environmental Conditions:

The data spanned wet and dry seasons.

QAPP Information:

QAPP Information Reference(s):

Line of Evidence (LOE) for Decision ID 77585, Indicator Bacteria	Region 4
Seal Beach (Orange County)

LOE ID:

82492

Pollutant:

Total Coliform

LOE Subgroup:

Pollutant-Water

Matrix:

Water

Fraction:

None

Beneficial Use:

Water Contact Recreation

Number of Samples:

Number of Exceedances:

Data and Information Type:

Not Specified

Data Used to Assess Water Quality:

Zero of the 17 geomeans exceeded the objective.

Data Reference:

Data for Region 8 Beach Watch.

SWAMP Data:

Non-SWAMP

Water Quality Objective/Criterion:

The standard for total coliform states that the coliform density shall not exceed 1000 per 100 mL. Water Quality Control Plan for Ocean Waters 2009.

Objective/Criterion Reference:

California Ocean Plan Water Quality Control Plan Ocean Waters of California 2009

Evaluation Guideline:

Guideline Reference:

Spatial Representation:

Samples were collected at 100 YDS S OF PIER.

Temporal Representation:

Samples were collected approximately twice a month from January 2009 to January 2010 and once in August 2010.

Environmental Conditions:

QAPP Information:

The samples were collected for the beach watch program.

QAPP Information Reference(s):

Line of Evidence (LOE) for Decision ID 77585, Indicator Bacteria	Region 4
Seal Beach (Orange County)

LOE ID:

4434

Pollutant:

Enterococcus

LOE Subgroup:

Pollutant-Water

Matrix:

Water

Fraction:

Not Recorded

Beneficial Use:

Water Contact Recreation

Number of Samples:

Number of Exceedances:

Data and Information Type:

Not Specified

Data Used to Assess Water Quality:

Unspecified--This LOE is a placeholder to support a 303(d) listing decision made prior to 2006.

Data Reference:

Placeholder reference pre-2006 303(d)

SWAMP Data:

Non-SWAMP

Water Quality Objective/Criterion:

Unspecified

Objective/Criterion Reference:

Placeholder reference pre-2006 303(d)

Evaluation Guideline:

Unspecified

Guideline Reference:

Placeholder reference pre-2006 303(d)

Spatial Representation:

Unspecified

Temporal Representation:

Unspecified

Environmental Conditions:

Unspecified

QAPP Information:

Unspecified

QAPP Information Reference(s):

Line of Evidence (LOE) for Decision ID 77585, Indicator Bacteria	Region 4
Seal Beach (Orange County)

LOE ID:

82475

Pollutant:

Escherichia coli (E. coli)

LOE Subgroup:

Pollutant-Water

Matrix:

Water

Fraction:

None

Beneficial Use:

Water Contact Recreation

Number of Samples:

Number of Exceedances:

Data and Information Type:

(VOL.) Chem./phys. monitoring data by quality-assured volunteer program

Data Used to Assess Water Quality:

Two of the six samples exceeded the E. coli objective. The data was collected by volunteer monitoring groups during three years.

Data Reference:

Data for bacteria in various waterbodies, Feb. 2005-May 2007

SWAMP Data:

Non-SWAMP

Water Quality Objective/Criterion:

The concentrations of toxic substances in the water column, sediments or biota shall not adversely affect beneficial uses. Region 8 Basin Plan.

Objective/Criterion Reference:

Water Quality Control Plan, Santa Ana River Basin

Evaluation Guideline:

The single sample E. coli concentration shall not exceed more than 235/100ml. USEPA Ambient Water Quality Criteria 1986.

Guideline Reference:

Ambient Water Quality Criteria for Bacteria - 1986. EPA440/5-84-002

Spatial Representation:

The data was collected from Seal Beach Pier - surf zone.

Temporal Representation:

The data was collected in November 2003, February, May and July 2004, and May 2007.

Environmental Conditions:

QAPP Information:

The data was collected by volunteer monitoring groups under The Southern California Marine Institute Volunteer Monitoring Quality Assurance Project Plan.

QAPP Information Reference(s):

Line of Evidence (LOE) for Decision ID 77585, Indicator Bacteria	Region 4
Seal Beach (Orange County)

LOE ID:

82478

Pollutant:

Fecal Coliform

LOE Subgroup:

Pollutant-Water

Matrix:

Water

Fraction:

None

Beneficial Use:

Water Contact Recreation

Number of Samples:

193

Number of Exceedances:

Data and Information Type:

PATHOGEN MONITORING

Data Used to Assess Water Quality:

Water Board staff assessed BW data for Seal Beach to determine beneficial use support and results are as follows: 11 of 193 samples exceed the criterion for Coliform, Fecal.

Data Reference:

Data for Region 4 Beach Watch.

SWAMP Data:

Non-SWAMP

Water Quality Objective/Criterion:

California Ocean Plan (SWRCB 2009) single sample maximum states that fecal coliform density shall not exceed 400 per 100ml

Objective/Criterion Reference:

California Ocean Plan Water Quality Control Plan Ocean Waters of California 2009

Evaluation Guideline:

Guideline Reference:

Spatial Representation:

Data for this line of evidence for Seal Beach was collected at 1 monitoring site [ 1ST STREET]

Temporal Representation:

Data was collected over the time period 4/20/2005-1/6/2010.

Environmental Conditions:

Staff is not aware of any special conditions that might affect interpretation of the data.

QAPP Information:

The samples were collected for the Beach Watch program.

QAPP Information Reference(s):

Line of Evidence (LOE) for Decision ID 77585, Indicator Bacteria	Region 4
Seal Beach (Orange County)

LOE ID:

8252

Pollutant:

Total Coliform

LOE Subgroup:

Pollutant-Water

Matrix:

Water

Fraction:

None

Beneficial Use:

Water Contact Recreation

Number of Samples:

982

Number of Exceedances:

Data and Information Type:

PATHOGEN MONITORING

Data Used to Assess Water Quality:

Of the 982 samples collected, 0 exceeded the standards/guidelines listed above.

Data Reference:

Bacteria data for Orange County beaches downloaded from Orange County Health Care website.

SWAMP Data:

Non-SWAMP

Water Quality Objective/Criterion:

As stated in the California Ocean Plan, under the SWRCB Water-Contact Standards using a 30d geometric mean maximum, within a zone bounded by the shoreline and a distance of 1,000 feet from the shoreline or the 30-foot depth contour, whichever is further from the shoreline, and in areas outside this zone used for water contact sports, as determined by the Regional Board (i.e., waters designated as REC-1), but including all kelp* beds, the following bacterial objectives shall be maintained throughout the water column: Total Coliform density shall not exceed 1,000 per 100 ml

Objective/Criterion Reference:

Water Quality Control Plan Ocean Waters of California. California Ocean Plan 2005. Sacramento, CA: State Water Resources Control Board, California Environmental Protection Agency

Evaluation Guideline:

Guideline Reference:

Spatial Representation:

The 982 samples were collected at the Sea Way station located in Seal Beach/Surfside.

Temporal Representation:

The 982 samples were collected weekly between January 7, 1986 and December 29, 2008.

Environmental Conditions:

The data spanned wet and dry seasons.

QAPP Information:

The data¿s quality is deemed appropriate because it was collected by the Orange County Environmental Health Agency and it was obtained from the Orange County Environmental Health Agency website. The EPA Method used was MF_APHA_922_B.

QAPP Information Reference(s):

Line of Evidence (LOE) for Decision ID 77585, Indicator Bacteria	Region 4
Seal Beach (Orange County)

LOE ID:

8246

Pollutant:

Total Coliform

LOE Subgroup:

Pollutant-Water

Matrix:

Water

Fraction:

None

Beneficial Use:

Water Contact Recreation

Number of Samples:

1022

Number of Exceedances:

Data and Information Type:

PATHOGEN MONITORING

Data Used to Assess Water Quality:

Of the 1022 samples collected, 10 exceeded the standards/guidelines listed above.

Data Reference:

Bacteria data for Orange County beaches downloaded from Orange County Health Care website.

SWAMP Data:

Non-SWAMP

Water Quality Objective/Criterion:

As stated in the California Ocean Plan, under the SWRCB Water-Contact Standards using a 30d geometric mean maximum, within a zone bounded by the shoreline and a distance of 1,000 feet from the shoreline or the 30-foot depth contour, whichever is further from the shoreline, and in areas outside this zone used for water contact sports, as determined by the Regional Board (i.e., waters designated as REC-1), but including all kelp* beds, the following bacterial objectives shall be maintained throughout the water column: Total Coliform density shall not exceed 1,000 per 100 ml

Objective/Criterion Reference:

Water Quality Control Plan Ocean Waters of California. California Ocean Plan 2005. Sacramento, CA: State Water Resources Control Board, California Environmental Protection Agency

Evaluation Guideline:

Guideline Reference:

Spatial Representation:

The 1022 samples were collected at the 8th Street station located in Seal Beach/Surfside.

Temporal Representation:

The 1022 samples were collected weekly between January 7, 1986 and December 29, 2008

Environmental Conditions:

The data spanned wet and dry seasons.

QAPP Information:

QAPP Information Reference(s):

Line of Evidence (LOE) for Decision ID 77585, Indicator Bacteria	Region 4
Seal Beach (Orange County)

LOE ID:

8241

Pollutant:

Enterococcus

LOE Subgroup:

Pollutant-Water

Matrix:

Water

Fraction:

None

Beneficial Use:

Water Contact Recreation

Number of Samples:

537

Number of Exceedances:

155

Data and Information Type:

PATHOGEN MONITORING

Data Used to Assess Water Quality:

Of the 537 samples collected, 155 exceeded the Ocean Plan standard of 35 mpn.

Data Reference:

Bacteria data for Orange County beaches downloaded from Orange County Health Care website.

SWAMP Data:

Non-SWAMP

Water Quality Objective/Criterion:

As stated in the California Ocean Plan, under the SWRCB Water-Contact Standards using a 30d geometric mean maximum, within a zone bounded by the shoreline and a distance of 1,000 feet from the shoreline or the 30-foot depth contour, whichever is further from the shoreline, and in areas outside this zone used for water contact sports, as determined by the Regional Board (i.e., waters designated as REC-1), but including all kelp* beds, the following bacterial objectives shall be maintained throughout the water column: Enterococcus density shall not exceed 35 per 100 ml

Objective/Criterion Reference:

Water Quality Control Plan Ocean Waters of California. California Ocean Plan 2005. Sacramento, CA: State Water Resources Control Board, California Environmental Protection Agency

Evaluation Guideline:

Guideline Reference:

Spatial Representation:

The 537 samples were collected at the 1st Street station located in Seal Beach/Surfside.

Temporal Representation:

The 537 samples were collected weekly between March 31, 1999 and December 29, 2008

Environmental Conditions:

The data spanned wet and dry seasons.

QAPP Information:

Data was obtained from the Orange County Environmental Health Agency website. The EPA Method used was EPA_1600.

QAPP Information Reference(s):

Line of Evidence (LOE) for Decision ID 77585, Indicator Bacteria	Region 4
Seal Beach (Orange County)

LOE ID:

82476

Pollutant:

Fecal Coliform

LOE Subgroup:

Pollutant-Water

Matrix:

Water

Fraction:

None

Beneficial Use:

Water Contact Recreation

Number of Samples:

Number of Exceedances:

Data and Information Type:

PATHOGEN MONITORING

Data Used to Assess Water Quality:

Water Board staff assessed BeachWatch data for Seal Beach to determine beneficial use support and results are as follows: 6 of 91 samples exceed the criterion for Coliform, Fecal.

Data Reference:

Data for Region 8 Beach Watch.

SWAMP Data:

Non-SWAMP

Water Quality Objective/Criterion:

California Ocean Plan (SWRCB 2009) single sample maximum states that fecal coliform density shall not exceed 400 per 100ml

Objective/Criterion Reference:

California Ocean Plan Water Quality Control Plan Ocean Waters of California 2009

Evaluation Guideline:

Guideline Reference:

Spatial Representation:

Data for this line of evidence for Seal Beach was collected at 3 monitoring sites [ 8TH STREET, 100 YDS S OF PIER, 14TH STREET]

Temporal Representation:

Data was collected over the time period 1/14/2009-1/7/2010.

Environmental Conditions:

Staff is not aware of any special conditions that might affect interpretation of the data.

QAPP Information:

The samples were collected for the Beach Watch program.

QAPP Information Reference(s):

Line of Evidence (LOE) for Decision ID 77585, Indicator Bacteria	Region 4
Seal Beach (Orange County)

LOE ID:

8242

Pollutant:

Fecal Coliform

LOE Subgroup:

Pollutant-Water

Matrix:

Water

Fraction:

None

Beneficial Use:

Water Contact Recreation

Number of Samples:

636

Number of Exceedances:

Data and Information Type:

PATHOGEN MONITORING

Data Used to Assess Water Quality:

Of the 636 samples collected, 38 exceeded the standards/guidelines listed above.

Data Reference:

Bacteria data for Orange County beaches downloaded from Orange County Health Care website.

SWAMP Data:

Non-SWAMP

Water Quality Objective/Criterion:

As stated in the California Ocean Plan, under the SWRCB Water-Contact Standards using a 30d geometric mean maximum, within a zone bounded by the shoreline and a distance of 1,000 feet from the shoreline or the 30-foot depth contour, whichever is further from the shoreline, and in areas outside this zone used for water contact sports, as determined by the Regional Board (i.e., waters designated as REC-1), but including all kelp* beds, the following bacterial objectives shall be maintained throughout the water column: Fecal Coliform density shall not exceed 200 per 100ml

Objective/Criterion Reference:

Water Quality Control Plan Ocean Waters of California. California Ocean Plan 2005. Sacramento, CA: State Water Resources Control Board, California Environmental Protection Agency

Evaluation Guideline:

Guideline Reference:

Spatial Representation:

The 636 samples were collected at the 1st Street station located in Seal Beach/Surfside.

Temporal Representation:

The 636 samples were collected weekly between January 7, 1986 and December 29, 2008

Environmental Conditions:

The data spanned wet and dry seasons.

QAPP Information:

Data was obtained from the Orange County Environmental Health Agency website. The EPA Method used was MF_APHA_9222_D.

QAPP Information Reference(s):

Line of Evidence (LOE) for Decision ID 77585, Indicator Bacteria	Region 4
Seal Beach (Orange County)

LOE ID:

8238

Pollutant:

Fecal Coliform

LOE Subgroup:

Pollutant-Water

Matrix:

Water

Fraction:

None

Beneficial Use:

Water Contact Recreation

Number of Samples:

316

Number of Exceedances:

Data and Information Type:

PATHOGEN MONITORING

Data Used to Assess Water Quality:

Of the 316 samples collected, 0 exceeded the standards/guidelines listed above.

Data Reference:

Bacteria data for Orange County beaches downloaded from Orange County Health Care website.

SWAMP Data:

Non-SWAMP

Water Quality Objective/Criterion:

As stated in the California Ocean Plan, under the SWRCB Water-Contact Standards using a 30d geometric mean maximum, within a zone bounded by the shoreline and a distance of 1,000 feet from the shoreline or the 30-foot depth contour, whichever is further from the shoreline, and in areas outside this zone used for water contact sports, as determined by the Regional Board (i.e., waters designated as REC-1), but including all kelp* beds, the following bacterial objectives shall be maintained throughout the water column: Fecal Coliform density shall not exceed 200 per 100ml

Objective/Criterion Reference:

Water Quality Control Plan Ocean Waters of California. California Ocean Plan 2005. Sacramento, CA: State Water Resources Control Board, California Environmental Protection Agency

Evaluation Guideline:

Guideline Reference:

Spatial Representation:

The 316 samples were collected at the 100 Yards South of Pier station located in Seal Beach/Surfside.

Temporal Representation:

The 316 samples were collected weekly between July 17, 2002 and December 29, 2008

Environmental Conditions:

The data spanned wet and dry seasons.

QAPP Information:

Data was obtained from the Orange County Environmental Health Agency website. The EPA Method used was MF_APHA_9222_D.

QAPP Information Reference(s):

Line of Evidence (LOE) for Decision ID 77585, Indicator Bacteria	Region 4
Seal Beach (Orange County)

LOE ID:

8251

Pollutant:

Fecal Coliform

LOE Subgroup:

Pollutant-Water

Matrix:

Water

Fraction:

None

Beneficial Use:

Water Contact Recreation

Number of Samples:

417

Number of Exceedances:

Data and Information Type:

PATHOGEN MONITORING

Data Used to Assess Water Quality:

Of the 417 samples collected, 0 exceeded the standards/guidelines listed above.

Data Reference:

Bacteria data for Orange County beaches downloaded from Orange County Health Care website.

SWAMP Data:

Non-SWAMP

Water Quality Objective/Criterion:

As stated in the California Ocean Plan, under the SWRCB Water-Contact Standards using a 30d geometric mean maximum, within a zone bounded by the shoreline and a distance of 1,000 feet from the shoreline or the 30-foot depth contour, whichever is further from the shoreline, and in areas outside this zone used for water contact sports, as determined by the Regional Board (i.e., waters designated as REC-1), but including all kelp* beds, the following bacterial objectives shall be maintained throughout the water column: Fecal Coliform density shall not exceed 200 per 100ml

Objective/Criterion Reference:

Water Quality Control Plan Ocean Waters of California. California Ocean Plan 2005. Sacramento, CA: State Water Resources Control Board, California Environmental Protection Agency

Evaluation Guideline:

Guideline Reference:

Spatial Representation:

The 417 samples were collected at the Sea Way station located in Seal Beach/Surfside.

Temporal Representation:

The 417samples were collected weekly between April 7, 1986 and December 29, 2008

Environmental Conditions:

The data spanned wet and dry seasons.

QAPP Information:

Data was obtained from the Orange County Environmental Health Agency website. The EPA Method used was MF_APHA_9222_D.

QAPP Information Reference(s):

Line of Evidence (LOE) for Decision ID 77585, Indicator Bacteria	Region 4
Seal Beach (Orange County)

LOE ID:

8245

Pollutant:

Fecal Coliform

LOE Subgroup:

Pollutant-Water

Matrix:

Water

Fraction:

None

Beneficial Use:

Water Contact Recreation

Number of Samples:

588

Number of Exceedances:

Data and Information Type:

PATHOGEN MONITORING

Data Used to Assess Water Quality:

Of the 588 samples collected, 21 exceeded the standards/guidelines listed above.

Data Reference:

Bacteria data for Orange County beaches downloaded from Orange County Health Care website.

SWAMP Data:

Non-SWAMP

Water Quality Objective/Criterion:

As stated in the California Ocean Plan, under the SWRCB Water-Contact Standards using a 30d geometric mean maximum, within a zone bounded by the shoreline and a distance of 1,000 feet from the shoreline or the 30-foot depth contour, whichever is further from the shoreline, and in areas outside this zone used for water contact sports, as determined by the Regional Board (i.e., waters designated as REC-1), but including all kelp* beds, the following bacterial objectives shall be maintained throughout the water column: Fecal Coliform density shall not exceed 200 per 100ml

Objective/Criterion Reference:

Water Quality Control Plan Ocean Waters of California. California Ocean Plan 2005. Sacramento, CA: State Water Resources Control Board, California Environmental Protection Agency

Evaluation Guideline:

Guideline Reference:

Spatial Representation:

The 588 samples were collected at the 8th Street station located in Seal Beach/Surfside.

Temporal Representation:

The 588 samples were collected weekly between January 7, 1986 and December 29, 2008

Environmental Conditions:

The data spanned wet and dry seasons.

QAPP Information:

Data was obtained from the Orange County Environmental Health Agency website. The EPA Method used was MF_APHA_9222_D.

QAPP Information Reference(s):

Line of Evidence (LOE) for Decision ID 77585, Indicator Bacteria	Region 4
Seal Beach (Orange County)

LOE ID:

82481

Pollutant:

Fecal Coliform

LOE Subgroup:

Pollutant-Water

Matrix:

Water

Fraction:

None

Beneficial Use:

Water Contact Recreation

Number of Samples:

Number of Exceedances:

Data and Information Type:

Not Specified

Data Used to Assess Water Quality:

Zero of the 16 geomeans exceeded the objective.

Data Reference:

Data for Region 8 Beach Watch.

SWAMP Data:

Non-SWAMP

Water Quality Objective/Criterion:

The standard for fecal coliform states that the coliform density shall not exceed 400 per 100 mL. Water Quality Control Plan for Ocean Waters 2009.

Objective/Criterion Reference:

California Ocean Plan Water Quality Control Plan Ocean Waters of California 2009

Evaluation Guideline:

Guideline Reference:

Spatial Representation:

Samples were collected at 8TH STREET.

Temporal Representation:

Samples were collected approximately twice a month from January 2009 to January 2010 and once in August 2010.

Environmental Conditions:

QAPP Information:

The samples were collected for the beach watch program.

QAPP Information Reference(s):

Line of Evidence (LOE) for Decision ID 77585, Indicator Bacteria	Region 4
Seal Beach (Orange County)

LOE ID:

82482

Pollutant:

Fecal Coliform

LOE Subgroup:

Pollutant-Water

Matrix:

Water

Fraction:

None

Beneficial Use:

Water Contact Recreation

Number of Samples:

150

Number of Exceedances:

Data and Information Type:

Not Specified

Data Used to Assess Water Quality:

One of the 150 geomeans exceeded the fecal coliform objective.

Data Reference:

Data for Region 8 Beach Watch.

SWAMP Data:

Non-SWAMP

Water Quality Objective/Criterion:

The geometric mean standard for fecal coliform states that the fecal coliform density shall not exceed 200 per 100 mL. Water Quality Control Plan for Ocean Waters 2009.

Objective/Criterion Reference:

California Ocean Plan Water Quality Control Plan Ocean Waters of California 2009

Evaluation Guideline:

Guideline Reference:

Spatial Representation:

Samples were collected from 1st Street.

Temporal Representation:

Samples were collected approximately once a week from 2005 to 2010.

Environmental Conditions:

QAPP Information:

The samples were collected for the Beach Watch program.

QAPP Information Reference(s):

Line of Evidence (LOE) for Decision ID 77585, Indicator Bacteria	Region 4
Seal Beach (Orange County)

LOE ID:

82479

Pollutant:

Fecal Coliform

LOE Subgroup:

Pollutant-Water

Matrix:

Water

Fraction:

None

Beneficial Use:

Water Contact Recreation

Number of Samples:

Number of Exceedances:

Data and Information Type:

Not Specified

Data Used to Assess Water Quality:

Zero of the 18 geomeans exceeded the objective.

Data Reference:

Data for Region 8 Beach Watch.

SWAMP Data:

Non-SWAMP

Water Quality Objective/Criterion:

The standard for fecal coliform states that the coliform density shall not exceed 400 per 100 mL. Water Quality Control Plan for Ocean Waters 2009.

Objective/Criterion Reference:

California Ocean Plan Water Quality Control Plan Ocean Waters of California 2009

Evaluation Guideline:

Guideline Reference:

Spatial Representation:

Samples were collected at 100 YDS S OF PIER.

Temporal Representation:

Samples were collected approximately twice a month from January 2009 to January 2010 and once in August 2010.

Environmental Conditions:

QAPP Information:

The samples were collected for the beach watch program.

QAPP Information Reference(s):

Line of Evidence (LOE) for Decision ID 77585, Indicator Bacteria	Region 4
Seal Beach (Orange County)

LOE ID:

82480

Pollutant:

Fecal Coliform

LOE Subgroup:

Pollutant-Water

Matrix:

Water

Fraction:

None

Beneficial Use:

Water Contact Recreation

Number of Samples:

Number of Exceedances:

Data and Information Type:

Not Specified

Data Used to Assess Water Quality:

Zero of the 16 geomeans exceeded the objective.

Data Reference:

Data for Region 8 Beach Watch.

SWAMP Data:

Non-SWAMP

Water Quality Objective/Criterion:

The standard for fecal coliform states that the coliform density shall not exceed 400 per 100 mL. Water Quality Control Plan for Ocean Waters 2009.

Objective/Criterion Reference:

California Ocean Plan Water Quality Control Plan Ocean Waters of California 2009

Evaluation Guideline:

Guideline Reference:

Spatial Representation:

Samples were collected at 14TH STREET.

Temporal Representation:

Samples were collected approximately twice a month from January 2009 to January 2010 and once in August 2010.

Environmental Conditions:

QAPP Information:

The samples were collected for the beach watch program.

QAPP Information Reference(s):

Line of Evidence (LOE) for Decision ID 77585, Indicator Bacteria	Region 4
Seal Beach (Orange County)

LOE ID:

8248

Pollutant:

Fecal Coliform

LOE Subgroup:

Pollutant-Water

Matrix:

Water

Fraction:

None

Beneficial Use:

Water Contact Recreation

Number of Samples:

488

Number of Exceedances:

Data and Information Type:

PATHOGEN MONITORING

Data Used to Assess Water Quality:

Of the 488 samples collected, 5 exceeded the standards/guidelines listed above.

Data Reference:

Bacteria data for Orange County beaches downloaded from Orange County Health Care website.

SWAMP Data:

Non-SWAMP

Water Quality Objective/Criterion:

As stated in the California Ocean Plan, under the SWRCB Water-Contact Standards using a 30d geometric mean maximum, within a zone bounded by the shoreline and a distance of 1,000 feet from the shoreline or the 30-foot depth contour, whichever is further from the shoreline, and in areas outside this zone used for water contact sports, as determined by the Regional Board (i.e., waters designated as REC-1), but including all kelp* beds, the following bacterial objectives shall be maintained throughout the water column: Fecal Coliform density shall not exceed 200 per 100ml

Objective/Criterion Reference:

Water Quality Control Plan Ocean Waters of California. California Ocean Plan 2005. Sacramento, CA: State Water Resources Control Board, California Environmental Protection Agency

Evaluation Guideline:

Guideline Reference:

Spatial Representation:

The 488 samples were collected at the 14th Street station located in Seal Beach/Surfside.

Temporal Representation:

The 488 samples were collected weekly between June 7, 1993 and December 29, 2008

Environmental Conditions:

The data spanned wet and dry seasons.

QAPP Information:

Data was obtained from the Orange County Environmental Health Agency website. The EPA Method used was MF_APHA_9222_D.

QAPP Information Reference(s):

Line of Evidence (LOE) for Decision ID 77585, Indicator Bacteria	Region 4
Seal Beach (Orange County)

LOE ID:

82486

Pollutant:

Total Coliform

LOE Subgroup:

Pollutant-Water

Matrix:

Water

Fraction:

None

Beneficial Use:

Water Contact Recreation

Number of Samples:

Number of Exceedances:

Data and Information Type:

(VOL.) Chem./phys. monitoring data by quality-assured volunteer program

Data Used to Assess Water Quality:

Zero of the six samples exceeded the total coliform objective. The data was collected by volunteer monitoring groups during three years.

Data Reference:

Data for bacteria in various waterbodies, Feb. 2005-May 2007

SWAMP Data:

Non-SWAMP

Water Quality Objective/Criterion:

The single sample total coliform concentration shall not exceed more than 10,000/100ml. California Ocean Plan 2006. Region 8 Basin Plan.

Objective/Criterion Reference:

Water Quality Control Plan Ocean Waters of California. California Ocean Plan 2005. Sacramento, CA: State Water Resources Control Board, California Environmental Protection Agency

Objective/Criterion Reference:

Water Quality Control Plan, Santa Ana River Basin

Evaluation Guideline:

Guideline Reference:

Spatial Representation:

The data was collected from Seal Beach Pier - surf zone.

Temporal Representation:

The data was collected in November 2003, February, May and July 2004, and May 2007.

Environmental Conditions:

QAPP Information:

The data was collected by volunteer monitoring groups under The Southern California Marine Institute Volunteer Monitoring Quality Assurance Project Plan.

QAPP Information Reference(s):

Line of Evidence (LOE) for Decision ID 77585, Indicator Bacteria	Region 4
Seal Beach (Orange County)

LOE ID:

82485

Pollutant:

Total Coliform

LOE Subgroup:

Pollutant-Water

Matrix:

Water

Fraction:

None

Beneficial Use:

Water Contact Recreation

Number of Samples:

Number of Exceedances:

Data and Information Type:

PATHOGEN MONITORING

Data Used to Assess Water Quality:

Water Board staff assessed BeachWatch data for Seal Beach to determine beneficial use support and results are as follows: 0 of 88 samples exceed the criterion for Coliform, Total.

Data Reference:

Data for Region 8 Beach Watch.

SWAMP Data:

Non-SWAMP

Water Quality Objective/Criterion:

California Ocean Plan (2009) single sample maximum states that total coliform density shall not exceed 10,000 per 100 mL

Objective/Criterion Reference:

California Ocean Plan Water Quality Control Plan Ocean Waters of California 2009

Evaluation Guideline:

Guideline Reference:

Spatial Representation:

Data for this line of evidence for Seal Beach was collected at 3 monitoring sites [ 8TH STREET, 100 YDS S OF PIER, 14TH STREET]

Temporal Representation:

Data was collected over the time period 1/14/2009-1/7/2010.

Environmental Conditions:

Staff is not aware of any special conditions that might affect interpretation of the data.

QAPP Information:

The samples were collected for the Beach Watch program.

QAPP Information Reference(s):

Line of Evidence (LOE) for Decision ID 77585, Indicator Bacteria	Region 4
Seal Beach (Orange County)

LOE ID:

82484

Pollutant:

Total Coliform

LOE Subgroup:

Pollutant-Water

Matrix:

Water

Fraction:

None

Beneficial Use:

Water Contact Recreation

Number of Samples:

188

Number of Exceedances:

Data and Information Type:

PATHOGEN MONITORING

Data Used to Assess Water Quality:

Water Board staff assessed BW data for Seal Beach to determine beneficial use support and results are as follows: 3 of 188 samples exceed the criterion for Coliform, Total.

Data Reference:

Data for Region 4 Beach Watch.

SWAMP Data:

Non-SWAMP

Water Quality Objective/Criterion:

California Ocean Plan (2009) single sample maximum states that total coliform density shall not exceed 10,000 per 100 mL

Objective/Criterion Reference:

California Ocean Plan Water Quality Control Plan Ocean Waters of California 2009

Evaluation Guideline:

Guideline Reference:

Spatial Representation:

Data for this line of evidence for Seal Beach was collected at 1 monitoring site [ 1ST STREET]

Temporal Representation:

Data was collected over the time period 4/20/2005-1/6/2010.

Environmental Conditions:

Staff is not aware of any special conditions that might affect interpretation of the data.

QAPP Information:

The samples were collected for the Beach Watch program.

QAPP Information Reference(s):

Line of Evidence (LOE) for Decision ID 77585, Indicator Bacteria	Region 4
Seal Beach (Orange County)

LOE ID:

82495

Pollutant:

Total Coliform

LOE Subgroup:

Pollutant-Water

Matrix:

Water

Fraction:

None

Beneficial Use:

Water Contact Recreation

Number of Samples:

141

Number of Exceedances:

Data and Information Type:

Not Specified

Data Used to Assess Water Quality:

Six of the 141 geomeans exceeded the total coliform objective.

Data Reference:

Data for Region 8 Beach Watch.

SWAMP Data:

Non-SWAMP

Water Quality Objective/Criterion:

The geometric mean standard for total coliform states that the fecal coliform density shall not exceed 1000 per 100 mL. Water Quality Control Plan for Ocean Waters 2009.

Objective/Criterion Reference:

California Ocean Plan Water Quality Control Plan Ocean Waters of California 2009

Evaluation Guideline:

Guideline Reference:

Spatial Representation:

Samples were collected from 1ST STREET.

Temporal Representation:

Samples were collected approximately once a week from 2005 to 2010.

Environmental Conditions:

QAPP Information:

The samples were collected for the Beach Watch program.

QAPP Information Reference(s):

Line of Evidence (LOE) for Decision ID 77585, Indicator Bacteria	Region 4
Seal Beach (Orange County)

LOE ID:

82494

Pollutant:

Total Coliform

LOE Subgroup:

Pollutant-Water

Matrix:

Water

Fraction:

None

Beneficial Use:

Water Contact Recreation

Number of Samples:

Number of Exceedances:

Data and Information Type:

Not Specified

Data Used to Assess Water Quality:

Zero of the 15 geomeans exceeded the objective.

Data Reference:

Data for Region 8 Beach Watch.

SWAMP Data:

Non-SWAMP

Water Quality Objective/Criterion:

The standard for total coliform states that the coliform density shall not exceed 1000 per 100 mL. Water Quality Control Plan for Ocean Waters 2009.

Objective/Criterion Reference:

California Ocean Plan Water Quality Control Plan Ocean Waters of California 2009

Evaluation Guideline:

Guideline Reference:

Spatial Representation:

Samples were collected at 8TH STREET.

Temporal Representation:

Samples were collected approximately twice a month from January 2009 to January 2010 and once in August 2010.

Environmental Conditions:

QAPP Information:

The samples were collected for the beach watch program.

QAPP Information Reference(s):

Line of Evidence (LOE) for Decision ID 77585, Indicator Bacteria	Region 4
Seal Beach (Orange County)

LOE ID:

82493

Pollutant:

Total Coliform

LOE Subgroup:

Pollutant-Water

Matrix:

Water

Fraction:

None

Beneficial Use:

Water Contact Recreation

Number of Samples:

Number of Exceedances:

Data and Information Type:

Not Specified

Data Used to Assess Water Quality:

Zero of the 15 geomeans exceeded the objective.

Data Reference:

Data for Region 8 Beach Watch.

SWAMP Data:

Non-SWAMP

Water Quality Objective/Criterion:

The standard for total coliform states that the coliform density shall not exceed 1000 per 100 mL. Water Quality Control Plan for Ocean Waters 2009.

Objective/Criterion Reference:

California Ocean Plan Water Quality Control Plan Ocean Waters of California 2009

Evaluation Guideline:

Guideline Reference:

Spatial Representation:

Samples were collected at 14TH STREET.

Temporal Representation:

Samples were collected approximately twice a month from January 2009 to January 2010 and once in August 2010.

Environmental Conditions:

QAPP Information:

The samples were collected for the beach watch program.

QAPP Information Reference(s):


DECISION ID	99245	Region 4
Seal Beach (Orange County)

Pollutant:	Trash
Final Listing Decision:	Do Not List on 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision:	Do Not List on 303(d) list (TMDL required list)(2016)
Revision Status	Original
Impairment from Pollutant or Pollution:	Pollutant

Regional Board Conclusion:	This pollutant is being considered for placement on the CWA section 303(d) List under section 3.1 of the Listing Policy. Under section 3.1 a single line of evidence is necessary to assess listing status. One line of evidence is available in the administrative record to assess this pollutant. The one samples exceed the guideline. Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against placing this water segment-pollutant combination on the CWA section 303(d) List. This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. One sample exceeds the guideline but this sample size is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating. A minimum of 16 samples is needed to determine if a beneficial use is fully supported using table 3.1. 4. Pursuant to SECTION 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.

Regional Board Decision Recommendation:	After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list. The readily available data and information is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating.

State Board Review of Regional Board Conclusion and Recommendation:

State Board Decision Recommendation:	After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.

Line of Evidence (LOE) for Decision ID 99245, Trash	Region 4
Seal Beach (Orange County)

LOE ID:

82496

Pollutant:

Trash

LOE Subgroup:

Pollutant-Nuisance

Matrix:

Not Recorded

Fraction:

None

Beneficial Use:

Non-Contact Recreation

Number of Samples:

Number of Exceedances:

Data and Information Type:

Occurrence of conditions judged to cause impairment

Data Used to Assess Water Quality:

Trash immediately distracts the eye at first glance and is densely located in and near the water body. Inspections of trash conditions, and cleanup efforts in the San Gabriel River Estuary were conducted on January 23, 2010. Numerous photos were taken and reviewed to assess trash conditions. All photos exhibit poor to very poor trash conditions within the estuary. The trash is too numerous to count, and the types of trash depicted in the photos include shopping carts, tires, toys, clothing, furniture, household items, bottles and cans.

Data Reference:

Photos of trash on Seal Beach, Jan. 2010

SWAMP Data:

Non-SWAMP

Water Quality Objective/Criterion:

Per the Region 8 Basin Plan narrative objective: Floatables are an aesthetic nuisance as well as a substrate for algae and insect vectors. Waste discharges shall not contain floating materials, including solids, liquids, foam or scum, which cause a nuisance or adversely affect beneficial uses.

Objective/Criterion Reference:

Water Quality Control Plan, Santa Ana River Basin

Evaluation Guideline:

Guideline Reference:

Spatial Representation:

All photos were either taken down coast from the San Gabriel River jetty, or up coast from Seal Beach pier. .

Temporal Representation:

All photos were taken on 1/23/10.

Environmental Conditions:

Trash and debris are deposited on beaches after wet weather events.

QAPP Information:

None.

QAPP Information Reference(s):


DECISION ID	90706	Region 4
Seal Beach (Orange County)

Pollutant:	pH
Final Listing Decision:	Do Not List on 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision:	Do Not List on 303(d) list (TMDL required list)(2016)
Revision Status	Original
Impairment from Pollutant or Pollution:	Pollutant

Regional Board Conclusion:	This pollutant is being considered for placement on the CWA section 303(d) List under section three (3) of the Listing Policy. Under section 3.2, a single line of evidence is necessary to assess the listing status. One (1) line of evidence is available in the administrative record to assess this pollutant. Zero (0) of the one (1) sample exceed the Objective. Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification against placing this water segment-pollutant combination on the CWA section 303(d) List. This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. Zero (0) of one (1) sample exceeds the Objective and this sample size is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating. A minimum of 26 samples are needed to determine if a beneficial use is fully supported using table 3.2. 4. Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.

Regional Board Decision Recommendation:	After review of the available data and information, RWQCB staff concludes that the water body-pollutant combination should not be placed on the section 303(d) list. The readily available data and information is insufficient to determine, with the power and confidence of the Listing Policy, the applicable beneficial use support rating.

State Board Review of Regional Board Conclusion and Recommendation:

State Board Decision Recommendation:	After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.

Line of Evidence (LOE) for Decision ID 90706, pH	Region 4
Seal Beach (Orange County)

LOE ID:

82483

Pollutant:

LOE Subgroup:

Pollutant-Water

Matrix:

Water

Fraction:

Dissolved

Beneficial Use:

Estuarine Habitat

Number of Samples:

Number of Exceedances:

Data and Information Type:

PHYSICAL/CHEMICAL MONITORING

Data Used to Assess Water Quality:

Numeric data generated from 1 samples of pH data had no exceedences.

Data Reference:

Data for bacteria in various waterbodies, Feb. 2005-May 2007

SWAMP Data:

Non-SWAMP

Water Quality Objective/Criterion:

The pH of bay or estuary waters shall not be raised above 8.6 or depressed below 7.0 as a result of controllable water quality factors...

Objective/Criterion Reference:

Water Quality Control Plan, Santa Ana River Basin

Evaluation Guideline:

Guideline Reference:

Spatial Representation:

Samples were collected from the Seal Beach Pier station.

Temporal Representation:

One sample was collected on 5/5/2007.

Environmental Conditions:

QAPP Information:

NPDES quality assurance.

QAPP Information Reference(s):


DECISION ID	69741	Region 4
Seal Beach (Orange County)

Pollutant:	PCBs (Polychlorinated biphenyls)
Final Listing Decision:	List on 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision:	List on 303(d) list (TMDL required list)(2016)
Revision Status	Original
Sources:	A Source Unknown
Expected TMDL Completion Date:	2019
Impairment from Pollutant or Pollution:	Pollutant

Regional Board Conclusion:	There was no new data considered in the 2014 Listing Cycle, this previously made decision will carryover. The following description applies to an earlier Listing Cycle. This pollutant is being considered for placement on the section 303(d) list under section 3.5 of the Listing Policy. One line of evidence is available in the administrative record to assess this pollutant. Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification in favor of placing this water segment-pollutant combination on the section 303(d) list in the Water Quality Limited Segments category. This conclusion is based on the staff findings that: 1. The data used satisfies the data quality requirements of section 6.1.4 of the Policy. 2. The data used satisfies the data quantity requirements of section 6.1.5 of the Policy. 3. Five of the 5 samples exceeded the OEHHA Screening Value and this exceeds the allowable frequency listed in Table 3.1 of the Listing Policy. 4. Pursuant to section 3.11 of the Listing Policy, no additional data and information are available indicating that standards are not met.

Regional Board Decision Recommendation:	This is a decision previously approved by the State Water Resources Control Board and the USEPA. No new data were assessed by the Regional Board for the current. The decision has not changed.

State Board Review of Regional Board Conclusion and Recommendation:

State Board Decision Recommendation:	After review of this Regional Board decision, SWRCB staff recommend the decision be approved by the State Board.

Line of Evidence (LOE) for Decision ID 69741, PCBs (Polychlorinated biphenyls)	Region 4
Seal Beach (Orange County)

LOE ID:

3627

Pollutant:

PCBs (Polychlorinated biphenyls)

LOE Subgroup:

Pollutant-Tissue

Matrix:

Tissue

Fraction:

Total

Beneficial Use:

Commercial or recreational collection of fish, shellfish, or organisms

Number of Samples:

Number of Exceedances:

Data and Information Type:

Fish tissue analysis

Data Used to Assess Water Quality:

Five out of 5 samples exceeded. Three white croaker and two yellowfin croaker samples were collected. All samples were filet composites. All samples exceeded guideline (TSMP, 2002).

Data Reference:

Placeholder reference 2006 303(d)

SWAMP Data:

Non-SWAMP

Water Quality Objective/Criterion:

Santa Ana River Basin RWQCB Basin Plan: Toxic substances shall not be discharged at levels that will bioaccumulate in aquatic resources to levels which are harmful to human health.

Objective/Criterion Reference:

Placeholder reference 2006 303(d)

Evaluation Guideline:

20 ng/g (OEHHA Screening Value).

Guideline Reference:

Placeholder reference 2006 303(d)

Spatial Representation:

One station at Seal Beach was sampled.

Temporal Representation:

Samples were collected in May and October 1999.

Environmental Conditions:

QAPP Information:

CFCP 1998 Year 1 QA Summary: Pesticides and PCBs. California Department of Fish and Game.

CDFG Fish and Wildlife Water Pollution Control Laboratory Data Quality Assurance Report. 1999 Coastal Fish Contamination Program (CFCP Year 2). California Department of Fish and Game.

QAPP Information Reference(s):