Water Body Name: | Matilija Creek, North Fork |
Water Body ID: | CAR4022001420081125170446 |
Water Body Type: | River & Stream |
Lines of Evidence (LOEs) for Decision ID 13440 |
LOE ID: | 25849 |
Pollutant: | Indicator Bacteria |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | None |
Beneficial Use: | Water Contact Recreation |
Number of Samples: | 72 |
Number of Exceedances: | 1 |
Data and Information Type: | Other Agencies/Organizations provided monitoring data |
Data Used to Assess Water Quality: | Data collected for the Santa Barbara ChannelKeeper Water Quality Monitoring Program (2001 to 2007). A total of one out of 72 samples for E. coli exceeded the single sample limit. |
Data Reference: | Santa Barbara Channelkeeper Water Quality Data Submittal and 303(d) List Recommendations |
Water Quality Objective/Criterion: | The Basin Plan bacteria objectives state that to protect water contact recreation in fresh waters individual samples shall not exceed the following limits: fecal coliform density shall not exceed 400/100 ml; and E. coli density shall not exceed 235/100 ml. The bacteria objectives also establish that the geometric means of individual samples shall not exceed the following limits: the fecal coliform density shall not exceed 200/100 ml; and the E. coli density shall not exceed 126/100 ml, as a geometric mean. The bacteria objectives are found in Attachment A of Regional Board Resolution No. 2001-018. |
Objective/Criterion Reference: | Water Quality Control Plan Los Angeles Region R4 Basin Plan |
Basin Plan Amendments to the Water Quality Control Plan Los Angeles Region R4 Basin Plan as of 02/02/2009 | |
Evaluation Guideline: | |
Guideline Reference: | |
Spatial Representation: | VR14 sampling site is located below a bridge on Highway 33 used a Ventura County flood gauging station (Lat 34.492778, Long -119.306389). |
Temporal Representation: | Grab samples taken and analyzed on monthly basis from January 2001 to February 2007. |
Environmental Conditions: | |
QAPP Information: | Data collected and analyzed according to the provisions of the Ventura River Watershed Monitoring Program Quality Assurance Project Plan (Santa Barbara Channelkeeper, October 2004). |
QAPP Information Reference(s): | Ventura River Watershed Monitoring Program Quality Assurance Project Plan (Santa Barbara Channelkeeper, October 2004) |
Lines of Evidence (LOEs) for Decision ID 13468 |
LOE ID: | 25851 |
Pollutant: | Total Dissolved Solids |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | Total |
Beneficial Use: | Municipal & Domestic Supply |
Number of Samples: | 60 |
Number of Exceedances: | 0 |
Data and Information Type: | Fixed station physical/chemical (conventional plus toxic pollutants) |
Data Used to Assess Water Quality: | Data collected for the Santa Barbara ChannelKeeper Water Quality Monitoring Program (2001 to 2007). A total of zero out of 60 exceeded the water quality objective of 700 mg/L for TDS. By the tributary rule the same objective applies to Matilija Creek, North Fork. |
Data Reference: | Santa Barbara Channelkeeper Water Quality Data Submittal and 303(d) List Recommendations |
Water Quality Objective/Criterion: | The Los Angeles RWQCB Basin Plan Water Quality Objective for Selected Constituents in Inland Surface Waters--water body specific for Ventura River Reach 5--is 700 mg/L for TDS. |
Objective/Criterion Reference: | Water Quality Control Plan Los Angeles Region R4 Basin Plan |
Basin Plan Amendments to the Water Quality Control Plan Los Angeles Region R4 Basin Plan as of 02/02/2009 | |
Evaluation Guideline: | |
Guideline Reference: | |
Spatial Representation: | VR14 sampling site is located below a bridge on Highway 33 used a Ventura County flood gauging station (Lat 34.492778, Long -119.306389). |
Temporal Representation: | Grab samples taken and analyzed on monthly basis from November 2001 to December 2006. |
Environmental Conditions: | |
QAPP Information: | Data collected and analyzed according to the provisions of the Ventura River Watershed Monitoring Program Quality Assurance Project Plan (Santa Barbara Channelkeeper, October 2004). |
QAPP Information Reference(s): | Ventura River Watershed Monitoring Program Quality Assurance Project Plan (Santa Barbara Channelkeeper, October 2004) |