Line of Evidence (LOE) for Decision ID 23763, Escherichia coli (E. coli)
|
Region 3 |
Yerba Buena Creek |
|
|
LOE ID: |
18529 |
|
Pollutant: |
Escherichia coli (E. coli) |
LOE Subgroup: |
Pollutant-Water |
Matrix: |
Water |
Fraction: |
None |
|
Beneficial Use: |
Non-Contact Recreation |
|
Number of Samples: |
3 |
Number of Exceedances: |
0 |
|
Data and Information Type: |
PATHOGEN MONITORING |
Data Used to Assess Water Quality: |
Central Coast Regional Board Staff assessed Coastal Watershed Council (Snapshot day monitoring) (R3_Snap) data for Yerba Buena Creek to determine beneficial use support and results are as follows: 0 of 3 samples exceed the criterion for Escherichia coli. |
Data Reference: |
Final Data File used for assessment: Monterey Bay National Marine Sanctuary Volunteer Monitoring Network Data. 2003-2006
|
|
SWAMP Data: |
Non-SWAMP |
|
Water Quality Objective/Criterion: |
The Water Quality Control Plan, Central Coast Basin objective for non-contact water recreation uses (Section II.A.2. Objectives for All Inland Surface Waters, Enclosed Bays, and Estuaries, II.A.2.a) states the following: Fecal coliform concentration, based on a minimum of not less than five samples for any 30-day period, shall not exceed a log mean of 2000/100 ml, nor shall more than ten percent of samples collected during any 30-day period exceed 4000/100 ml. E. coli is a fecal coliform. |
Objective/Criterion Reference: |
Water Quality Control Plan (Basin Plan) - Central Coast Region (Region 3) |
|
Evaluation Guideline: |
|
Guideline Reference: |
|
Spatial Representation: |
Data for this line of evidence for Yerba Buena Creek was collected at 1 monitoring site [ 309-YERBA-41 - Yerba Buena Creek] |
Temporal Representation: |
Data was collected over the time period 5/1/2004-5/6/2006. Coastal Watershed Council Snapshot Day Monitoring is conducted annually. |
Environmental Conditions: |
Staff is not aware of any special conditions that might effect interpretation of the data. |
QAPP Information: |
State Board approved QAPP. Multiple errors were identified in data and were flagged or fixed by RB staff (in communication with Project staff) prior to assessment of data. |
QAPP Information Reference(s): |
|
Line of Evidence (LOE) for Decision ID 23763, Escherichia coli (E. coli)
|
Region 3 |
Yerba Buena Creek |
|
|
LOE ID: |
18528 |
|
Pollutant: |
Escherichia coli (E. coli) |
LOE Subgroup: |
Pollutant-Water |
Matrix: |
Water |
Fraction: |
None |
|
Beneficial Use: |
Water Contact Recreation |
|
Number of Samples: |
3 |
Number of Exceedances: |
2 |
|
Data and Information Type: |
PATHOGEN MONITORING |
Data Used to Assess Water Quality: |
Central Coast Regional Board Staff assessed Coastal Watershed Council (Snapshot day monitoring) (R3_Snap) data for Yerba Buena Creek to determine beneficial use support and results are as follows: 2 of 3 samples exceed the criterion for Escherichia coli. |
Data Reference: |
Final Data File used for assessment: Monterey Bay National Marine Sanctuary Volunteer Monitoring Network Data. 2003-2006
|
|
SWAMP Data: |
Non-SWAMP |
|
Water Quality Objective/Criterion: |
USEPA Ambient Water Quality Criteria for Bacteria -1986. |
Objective/Criterion Reference: |
Ambient Water Quality Criteria for Bacteria - 1986. EPA440/5-84-002 |
|
Evaluation Guideline: |
Single sample maximum allowable density for E. coli in freshwater is 235 MPN/100mL (as stated in Table 4, page 15) |
Guideline Reference: |
Ambient Water Quality Criteria for Bacteria - 1986. EPA440/5-84-002 |
|
Spatial Representation: |
Data for this line of evidence for Yerba Buena Creek was collected at 1 monitoring site [ 309-YERBA-41 - Yerba Buena Creek] |
Temporal Representation: |
Data was collected over the time period 5/1/2004-5/6/2006. Coastal Watershed Council Snapshot Day Monitoring is conducted annually. |
Environmental Conditions: |
Staff is not aware of any special conditions that might effect interpretation of the data. |
QAPP Information: |
State Board approved QAPP. Multiple errors were identified in data and were flagged or fixed by RB staff (in communication with Project staff) prior to assessment of data. |
QAPP Information Reference(s): |
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Line of Evidence (LOE) for Decision ID 23912, Low Dissolved Oxygen
|
Region 3 |
Yerba Buena Creek |
|
|
LOE ID: |
18136 |
|
Pollutant: |
Oxygen, Dissolved |
LOE Subgroup: |
Pollutant-Water |
Matrix: |
Water |
Fraction: |
Dissolved |
|
Beneficial Use: |
Warm Freshwater Habitat |
Aquatic Life Use: |
Warm Freshwater Habitat |
|
Number of Samples: |
3 |
Number of Exceedances: |
1 |
|
Data and Information Type: |
PHYSICAL/CHEMICAL MONITORING |
Data Used to Assess Water Quality: |
Central Coast Regional Board Staff assessed Coastal Watershed Council (Snapshot day monitoring) (R3_Snap) data for Yerba Buena Creek to determine beneficial use support and results are as follows: 1 of 3 samples exceed the criterion for Oxygen, Dissolved. |
Data Reference: |
Final Data File used for assessment: Monterey Bay National Marine Sanctuary Volunteer Monitoring Network Data. 2003-2006
|
|
SWAMP Data: |
Non-SWAMP |
|
Water Quality Objective/Criterion: |
Water Quality Control Plan, Central Coast Basin, General Objective, Chapter III, Section II.A.2 General Objectives for all Inland Surface Waters, Enclosed Bays and Estuaries states the following: For waters not mentioned by a specific beneficial use, dissolved oxygen concentration shall not be reduced below 5.0 mg/l at any time. |
Objective/Criterion Reference: |
Water Quality Control Plan (Basin Plan) - Central Coast Region (Region 3) |
|
Evaluation Guideline: |
|
Guideline Reference: |
|
Spatial Representation: |
Data for this line of evidence for Yerba Buena Creek was collected at 1 monitoring site [ 309-YERBA-41 - Yerba Buena Creek] |
Temporal Representation: |
Data was collected over the time period 5/1/2004-5/6/2006. Coastal Watershed Council Snapshot Day Monitoring is conducted annually. |
Environmental Conditions: |
Staff is not aware of any special conditions that might effect interpretation of the data. |
QAPP Information: |
State Board approved QAPP. Multiple errors were identified in data and were flagged or fixed by RB staff (in communication with Project staff) prior to assessment of data. |
QAPP Information Reference(s): |
|
Line of Evidence (LOE) for Decision ID 23912, Low Dissolved Oxygen
|
Region 3 |
Yerba Buena Creek |
|
|
LOE ID: |
18135 |
|
Pollutant: |
Oxygen, Dissolved |
LOE Subgroup: |
Pollutant-Water |
Matrix: |
Water |
Fraction: |
Dissolved |
|
Beneficial Use: |
Cold Freshwater Habitat |
Aquatic Life Use: |
Cold Freshwater Habitat |
|
Number of Samples: |
3 |
Number of Exceedances: |
3 |
|
Data and Information Type: |
PHYSICAL/CHEMICAL MONITORING |
Data Used to Assess Water Quality: |
Central Coast Regional Board Staff assessed Coastal Watershed Council (Snapshot day monitoring) (R3_Snap) data for Yerba Buena Creek to determine beneficial use support and results are as follows: 3 of 3 samples exceed the criterion for Oxygen, Dissolved. |
Data Reference: |
Final Data File used for assessment: Monterey Bay National Marine Sanctuary Volunteer Monitoring Network Data. 2003-2006
|
|
SWAMP Data: |
Non-SWAMP |
|
Water Quality Objective/Criterion: |
Water Quality Control Plan, Central Coast Basin, Cold Water Habitat Objective, Chapter III, Section II.A.2 General Objectives for all Inland Surface Waters, Enclosed Bays and Estuaries states the following: The dissolved oxygen concentration shall not be reduced below 7.0 mg/l at any time. |
Objective/Criterion Reference: |
Water Quality Control Plan (Basin Plan) - Central Coast Region (Region 3) |
|
Evaluation Guideline: |
|
Guideline Reference: |
|
Spatial Representation: |
Data for this line of evidence for Yerba Buena Creek was collected at 1 monitoring site [ 309-YERBA-41 - Yerba Buena Creek] |
Temporal Representation: |
Data was collected over the time period 5/1/2004-5/6/2006. Coastal Watershed Council Snapshot Day Monitoring is conducted annually. |
Environmental Conditions: |
Staff is not aware of any special conditions that might effect interpretation of the data. |
QAPP Information: |
State Board approved QAPP. Multiple errors were identified in data and were flagged or fixed by RB staff (in communication with Project staff) prior to assessment of data. |
QAPP Information Reference(s): |
|
Line of Evidence (LOE) for Decision ID 23772, Nitrate
|
Region 3 |
Yerba Buena Creek |
|
|
LOE ID: |
18377 |
|
Pollutant: |
Nitrate |
LOE Subgroup: |
Pollutant-Water |
Matrix: |
Water |
Fraction: |
None |
|
Beneficial Use: |
Municipal & Domestic Supply |
|
Number of Samples: |
3 |
Number of Exceedances: |
0 |
|
Data and Information Type: |
PHYSICAL/CHEMICAL MONITORING |
Data Used to Assess Water Quality: |
Central Coast Regional Board Staff assessed Coastal Watershed Council (Snapshot day monitoring) (R3_Snap) data for Yerba Buena Creek to determine beneficial use support and results are as follows: 0 of 3 samples exceed the criterion for Nitrate as N. |
Data Reference: |
Final Data File used for assessment: Monterey Bay National Marine Sanctuary Volunteer Monitoring Network Data. 2003-2006
|
|
SWAMP Data: |
Non-SWAMP |
|
Water Quality Objective/Criterion: |
The Water Quality Control Plan, Central Coast Basin Objective for municipal and domestic supply uses of inland surface waters (Section II.A.2) states the following: waters shall not contain concentrations of chemical constituents in excess of the limits specified in California Code of Regulations, Title 22, Article 4, Chapter 15, Section 64435, Tables 2 and 3 as listed in Table 3-2. The maximum contaminant level listed in Table 3-2 (inorganic and fluoride concentrations not to be exceeded in domestic or municipal supply) for nitrate is 10.0 mg/L (NO3 as N). |
Objective/Criterion Reference: |
Title 22, Division 4, Ch. 15, Article 4, Section 64431, Table 64431-A |
|
Water Quality Control Plan (Basin Plan) - Central Coast Region (Region 3) |
|
Evaluation Guideline: |
|
Guideline Reference: |
|
Spatial Representation: |
Data for this line of evidence for Yerba Buena Creek was collected at 1 monitoring site [ 309-YERBA-41 - Yerba Buena Creek] |
Temporal Representation: |
Data was collected over the time period 5/1/2004-5/6/2006. Coastal Watershed Council Snapshot Day Monitoring is conducted annually. |
Environmental Conditions: |
Staff is not aware of any special conditions that might effect interpretation of the data. |
QAPP Information: |
State Board approved QAPP. Multiple errors were identified in data and were flagged or fixed by RB staff (in communication with Project staff) prior to assessment of data. |
QAPP Information Reference(s): |
|
Line of Evidence (LOE) for Decision ID 23459, Temperature, water
|
Region 3 |
Yerba Buena Creek |
|
|
LOE ID: |
18575 |
|
Pollutant: |
Temperature, water |
LOE Subgroup: |
Pollutant-Water |
Matrix: |
Water |
Fraction: |
None |
|
Beneficial Use: |
Cold Freshwater Habitat |
Aquatic Life Use: |
Cold Freshwater Habitat |
|
Number of Samples: |
2 |
Number of Exceedances: |
0 |
|
Data and Information Type: |
PHYSICAL/CHEMICAL MONITORING |
Data Used to Assess Water Quality: |
Central Coast Regional Board Staff assessed Coastal Watershed Council (Snapshot day monitoring) (R3_Snap) data for Yerba Buena Creek to determine beneficial use support and results are as follows: 0 of 2 samples exceed the criterion for Water Temperature. |
Data Reference: |
Final Data File used for assessment: Monterey Bay National Marine Sanctuary Volunteer Monitoring Network Data. 2003-2006
|
|
SWAMP Data: |
Non-SWAMP |
|
Water Quality Objective/Criterion: |
Natural receiving water temperature of intrastate waters shall not be altered unless it can be demonstrated to the satisfaction of the Regional Board that such alteration in temperature does not adversely affect beneficial uses (General Objective in Water Quality Control Plan, Central Coast Basin, Chapter III, Section II.A.2 Objectives for all Inland Surface Waters, Enclosed Bays and Estuaries). |
Objective/Criterion Reference: |
Water Quality Control Plan (Basin Plan) - Central Coast Region (Region 3) |
|
Evaluation Guideline: |
Inland Fishes of California (Moyle 1976) states that for rainbow trout the optimum range for growth and completion of most life stages is 13-21 degrees C (page 129). |
Guideline Reference: |
Inland Fishes of California |
|
Spatial Representation: |
Data for this line of evidence for Yerba Buena Creek was collected at 1 monitoring site [ 309-YERBA-41 - Yerba Buena Creek] |
Temporal Representation: |
Data was collected over the time period 5/1/2004-5/6/2006. Coastal Watershed Council Snapshot Day Monitoring is conducted annually. |
Environmental Conditions: |
Staff is not aware of any special conditions that might effect interpretation of the data. |
QAPP Information: |
State Board approved QAPP. Multiple errors were identified in data and were flagged or fixed by RB staff (in communication with Project staff) prior to assessment of data. |
QAPP Information Reference(s): |
|
Line of Evidence (LOE) for Decision ID 23460, pH
|
Region 3 |
Yerba Buena Creek |
|
|
LOE ID: |
18664 |
|
Pollutant: |
pH |
LOE Subgroup: |
Pollutant-Water |
Matrix: |
Water |
Fraction: |
None |
|
Beneficial Use: |
Municipal & Domestic Supply |
|
Number of Samples: |
2 |
Number of Exceedances: |
0 |
|
Data and Information Type: |
PHYSICAL/CHEMICAL MONITORING |
Data Used to Assess Water Quality: |
Central Coast Regional Board Staff assessed Coastal Watershed Council (Snapshot day monitoring) (R3_Snap) data for Yerba Buena Creek to determine beneficial use support and results are as follows: 0 of 2 samples exceed the criterion for pH. |
Data Reference: |
Final Data File used for assessment: Monterey Bay National Marine Sanctuary Volunteer Monitoring Network Data. 2003-2006
|
|
SWAMP Data: |
Non-SWAMP |
|
Water Quality Objective/Criterion: |
The Water Quality Control Plan, Central Coast Basin, Section II.A.2. Municipal and Domestic Supply Objectives, Section II.A.2.a states the following: The pH value shall neither be depressed below 6.5 or raised above 8.3. |
Objective/Criterion Reference: |
Water Quality Control Plan (Basin Plan) - Central Coast Region (Region 3) |
|
Evaluation Guideline: |
|
Guideline Reference: |
|
Spatial Representation: |
Data for this line of evidence for Yerba Buena Creek was collected at 1 monitoring site [ 309-YERBA-41 - Yerba Buena Creek] |
Temporal Representation: |
Data was collected over the time period 5/1/2004-5/7/2005. Coastal Watershed Council Snapshot Day Monitoring is conducted annually. |
Environmental Conditions: |
Staff is not aware of any special conditions that might effect interpretation of the data. |
QAPP Information: |
State Board approved QAPP. Multiple errors were identified in data and were flagged or fixed by RB staff (in communication with Project staff) prior to assessment of data. |
QAPP Information Reference(s): |
|
Line of Evidence (LOE) for Decision ID 23460, pH
|
Region 3 |
Yerba Buena Creek |
|
|
LOE ID: |
18649 |
|
Pollutant: |
pH |
LOE Subgroup: |
Pollutant-Water |
Matrix: |
Water |
Fraction: |
None |
|
Beneficial Use: |
Cold Freshwater Habitat |
Aquatic Life Use: |
Cold Freshwater Habitat |
|
Number of Samples: |
2 |
Number of Exceedances: |
0 |
|
Data and Information Type: |
PHYSICAL/CHEMICAL MONITORING |
Data Used to Assess Water Quality: |
Central Coast Regional Board Staff assessed Coastal Watershed Council (Snapshot day monitoring) (R3_Snap) data for Yerba Buena Creek to determine beneficial use support and results are as follows: 0 of 2 samples exceed the criterion for pH. |
Data Reference: |
Final Data File used for assessment: Monterey Bay National Marine Sanctuary Volunteer Monitoring Network Data. 2003-2006
|
|
SWAMP Data: |
Non-SWAMP |
|
Water Quality Objective/Criterion: |
Water Quality Control Plan, Central Coast Basin, General Objective, Chapter III, Section II.A.2 General Objectives for all Inland Surface Waters, Enclosed Bays and Estuaries states the following: For waters not mentioned by a specific beneficial use, the pH value shall not be depressed below 7.0 or raised above 8.5. |
Objective/Criterion Reference: |
Water Quality Control Plan (Basin Plan) - Central Coast Region (Region 3) |
|
Evaluation Guideline: |
|
Guideline Reference: |
|
Spatial Representation: |
Data for this line of evidence for Yerba Buena Creek was collected at 1 monitoring site [ 309-YERBA-41 - Yerba Buena Creek] |
Temporal Representation: |
Data was collected over the time period 5/1/2004-5/7/2005. Coastal Watershed Council Snapshot Day Monitoring is conducted annually. |
Environmental Conditions: |
Staff is not aware of any special conditions that might effect interpretation of the data. |
QAPP Information: |
State Board approved QAPP. Multiple errors were identified in data and were flagged or fixed by RB staff (in communication with Project staff) prior to assessment of data. |
QAPP Information Reference(s): |
|
Line of Evidence (LOE) for Decision ID 23460, pH
|
Region 3 |
Yerba Buena Creek |
|
|
LOE ID: |
18666 |
|
Pollutant: |
pH |
LOE Subgroup: |
Pollutant-Water |
Matrix: |
Water |
Fraction: |
None |
|
Beneficial Use: |
Non-Contact Recreation |
|
Number of Samples: |
2 |
Number of Exceedances: |
0 |
|
Data and Information Type: |
PHYSICAL/CHEMICAL MONITORING |
Data Used to Assess Water Quality: |
Central Coast Regional Board Staff assessed Coastal Watershed Council (Snapshot day monitoring) (R3_Snap) data for Yerba Buena Creek to determine beneficial use support and results are as follows: 0 of 2 samples exceed the criterion for pH. |
Data Reference: |
Final Data File used for assessment: Monterey Bay National Marine Sanctuary Volunteer Monitoring Network Data. 2003-2006
|
|
SWAMP Data: |
Non-SWAMP |
|
Water Quality Objective/Criterion: |
The Water Quality Control Plan, Central Coast Basin objective for non-contact water recreation uses (Section II.A.2. Objectives for All Inland Surface Waters, Enclosed Bays, and Estuaries, II.A.2.a) states the following: pH value shall neither be depressed below 6.5 nor raised above 8.3. |
Objective/Criterion Reference: |
Water Quality Control Plan (Basin Plan) - Central Coast Region (Region 3) |
|
Evaluation Guideline: |
|
Guideline Reference: |
|
Spatial Representation: |
Data for this line of evidence for Yerba Buena Creek was collected at 1 monitoring site [ 309-YERBA-41 - Yerba Buena Creek] |
Temporal Representation: |
Data was collected over the time period 5/1/2004-5/7/2005. Coastal Watershed Council Snapshot Day Monitoring is conducted annually. |
Environmental Conditions: |
Staff is not aware of any special conditions that might effect interpretation of the data. |
QAPP Information: |
State Board approved QAPP. Multiple errors were identified in data and were flagged or fixed by RB staff (in communication with Project staff) prior to assessment of data. |
QAPP Information Reference(s): |
|
Line of Evidence (LOE) for Decision ID 23460, pH
|
Region 3 |
Yerba Buena Creek |
|
|
LOE ID: |
18665 |
|
Pollutant: |
pH |
LOE Subgroup: |
Pollutant-Water |
Matrix: |
Water |
Fraction: |
None |
|
Beneficial Use: |
Water Contact Recreation |
|
Number of Samples: |
2 |
Number of Exceedances: |
0 |
|
Data and Information Type: |
PHYSICAL/CHEMICAL MONITORING |
Data Used to Assess Water Quality: |
Central Coast Regional Board Staff assessed Coastal Watershed Council (Snapshot day monitoring) (R3_Snap) data for Yerba Buena Creek to determine beneficial use support and results are as follows: 0 of 2 samples exceed the criterion for pH. |
Data Reference: |
Final Data File used for assessment: Monterey Bay National Marine Sanctuary Volunteer Monitoring Network Data. 2003-2006
|
|
SWAMP Data: |
Non-SWAMP |
|
Water Quality Objective/Criterion: |
The Water Quality Control Plan, Central Coast Basin objective for water contact recreation uses (Section II.A.2. Objectives for All Inland Surface Waters, Enclosed Bays, and Estuaries, II.A.2.a) states the following: pH value shall neither be depressed below 6.5 nor raised above 8.3. |
Objective/Criterion Reference: |
Water Quality Control Plan (Basin Plan) - Central Coast Region (Region 3) |
|
Evaluation Guideline: |
|
Guideline Reference: |
|
Spatial Representation: |
Data for this line of evidence for Yerba Buena Creek was collected at 1 monitoring site [ 309-YERBA-41 - Yerba Buena Creek] |
Temporal Representation: |
Data was collected over the time period 5/1/2004-5/7/2005. Coastal Watershed Council Snapshot Day Monitoring is conducted annually. |
Environmental Conditions: |
Staff is not aware of any special conditions that might effect interpretation of the data. |
QAPP Information: |
State Board approved QAPP. Multiple errors were identified in data and were flagged or fixed by RB staff (in communication with Project staff) prior to assessment of data. |
QAPP Information Reference(s): |
|
Line of Evidence (LOE) for Decision ID 23460, pH
|
Region 3 |
Yerba Buena Creek |
|
|
LOE ID: |
18667 |
|
Pollutant: |
pH |
LOE Subgroup: |
Pollutant-Water |
Matrix: |
Water |
Fraction: |
None |
|
Beneficial Use: |
Warm Freshwater Habitat |
Aquatic Life Use: |
Warm Freshwater Habitat |
|
Number of Samples: |
2 |
Number of Exceedances: |
0 |
|
Data and Information Type: |
PHYSICAL/CHEMICAL MONITORING |
Data Used to Assess Water Quality: |
Central Coast Regional Board Staff assessed Coastal Watershed Council (Snapshot day monitoring) (R3_Snap) data for Yerba Buena Creek to determine beneficial use support and results are as follows: 0 of 2 samples exceed the criterion for pH. |
Data Reference: |
Final Data File used for assessment: Monterey Bay National Marine Sanctuary Volunteer Monitoring Network Data. 2003-2006
|
|
SWAMP Data: |
Non-SWAMP |
|
Water Quality Objective/Criterion: |
Water Quality Control Plan, Central Coast Basin, General Objective, Chapter III, Section II.A.2 General Objectives for all Inland Surface Waters, Enclosed Bays and Estuaries states the following: For waters not mentioned by a specific beneficial use, the pH value shall not be depressed below 7.0 or raised above 8.5. |
Objective/Criterion Reference: |
Water Quality Control Plan (Basin Plan) - Central Coast Region (Region 3) |
|
Evaluation Guideline: |
|
Guideline Reference: |
|
Spatial Representation: |
Data for this line of evidence for Yerba Buena Creek was collected at 1 monitoring site [ 309-YERBA-41 - Yerba Buena Creek] |
Temporal Representation: |
Data was collected over the time period 5/1/2004-5/7/2005. Coastal Watershed Council Snapshot Day Monitoring is conducted annually. |
Environmental Conditions: |
Staff is not aware of any special conditions that might effect interpretation of the data. |
QAPP Information: |
State Board approved QAPP. Multiple errors were identified in data and were flagged or fixed by RB staff (in communication with Project staff) prior to assessment of data. |
QAPP Information Reference(s): |
|