Water Body Name: | Pacific Ocean at Natural Bridges Beach |
Water Body ID: | 3023 |
Water Body Type: | Coastal & Bay Shoreline |
Lines of Evidence (LOEs) for Decision ID 11180 |
LOE ID: | 20143 |
Pollutant: | Enterococcus |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | None |
Beneficial Use: | Water Contact Recreation |
Number of Samples: | 108 |
Number of Exceedances: | 1 |
Data and Information Type: | PATHOGEN MONITORING |
Data Used to Assess Water Quality: | Central Coast Regional Board Staff assessed data for Pacific Ocean at Natural Bridges Beach to determine beneficial use support and results are as follows: 1 of 108 samples exceed the criterion for Enterococci. |
Data Reference: | AB 411 Data for 2004 |
AB 411 Data for 2005 | |
AB 411 Data for 2006 | |
Water Quality Objective/Criterion: | California Ocean Plan (SWRCB 2005) states that the single sample maximum for Enterococcus shall not exceed 104 MPN/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: | Data for this line of evidence for Pacific Ocean at Natural Bridges Beach was collected at one AB411 monitoring site (Natural Bridges Beach) |
Temporal Representation: | Data was collected over the time period 3/8/2004 - 12/26/2006. This includes weekly AB411 monitoring between April 1 and October 31 of each year. |
Environmental Conditions: | |
QAPP Information: | QA information not available |
QAPP Information Reference(s): | |
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LOE ID: | 20142 |
Pollutant: | Enterococcus |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | None |
Beneficial Use: | Water Contact Recreation |
Number of Samples: | 26 |
Number of Exceedances: | 1 |
Data and Information Type: | PATHOGEN MONITORING |
Data Used to Assess Water Quality: | Central Coast Regional Board Staff assessed data for Pacific Ocean at Natural Bridges Beach to determine beneficial use support and results are as follows: 1 of 26 samples exceed the criterion for Enterococci. |
Data Reference: | AB 411 Data for 2004 |
AB 411 Data for 2005 | |
AB 411 Data for 2006 | |
Water Quality Objective/Criterion: | California Ocean Plan (SWRCB 2005) states that the geometric mean for Enterococcus shall not exceed 35 MPN/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: | Data for this line of evidence for Pacific Ocean at Natural Bridges Beach was collected at one AB411 monitoring site (Natural Bridges Beach) |
Temporal Representation: | Data was collected over the time period 3/8/2004 - 12/26/2006. This includes weekly AB411 monitoring between April 1 and October 31 of each year. |
Environmental Conditions: | |
QAPP Information: | QA information not available |
QAPP Information Reference(s): |
Lines of Evidence (LOEs) for Decision ID 11182 |
LOE ID: | 20144 |
Pollutant: | Escherichia coli (E. Coli) |
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: | PATHOGEN MONITORING |
Data Used to Assess Water Quality: | Central Coast Regional Board Staff assessed data for Pacific Ocean at Natural Bridges Beach to determine beneficial use support and results are as follows: 0 of 2 samples exceed the criterion for Escherichia coli. |
Data Reference: | AB 411 Data for 2004 |
AB 411 Data for 2005 | |
AB 411 Data for 2006 | |
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: | Steady State Geometric Mean Indicator Density is 126 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 Pacific Ocean at Natural Bridges Beach was collected at one AB411 monitoring site (Natural Bridges Beach) |
Temporal Representation: | Data was collected over the time period 3/8/2004 - 12/26/2006. This includes weekly AB411 monitoring between April 1 and October 31 of each year. |
Environmental Conditions: | |
QAPP Information: | QA information not available |
QAPP Information Reference(s): | |
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LOE ID: | 20145 |
Pollutant: | Escherichia coli (E. Coli) |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | None |
Beneficial Use: | Water Contact Recreation |
Number of Samples: | 7 |
Number of Exceedances: | 0 |
Data and Information Type: | PATHOGEN MONITORING |
Data Used to Assess Water Quality: | Central Coast Regional Board Staff assessed data for Pacific Ocean at Natural Bridges Beach to determine beneficial use support and results are as follows: 0 of 7 samples exceed the criterion for Escherichia coli. |
Data Reference: | AB 411 Data for 2004 |
AB 411 Data for 2005 | |
AB 411 Data for 2006 | |
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 Pacific Ocean at Natural Bridges Beach was collected at one AB411 monitoring site (Natural Bridges Beach) |
Temporal Representation: | Data was collected over the time period 3/8/2004 - 12/26/2006. This includes weekly AB411 monitoring between April 1 and October 31 of each year. |
Environmental Conditions: | |
QAPP Information: | QA information not available |
QAPP Information Reference(s): |
Lines of Evidence (LOEs) for Decision ID 11181 |
LOE ID: | 20140 |
Pollutant: | Fecal Coliform |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | None |
Beneficial Use: | Water Contact Recreation |
Number of Samples: | 22 |
Number of Exceedances: | 0 |
Data and Information Type: | PATHOGEN MONITORING |
Data Used to Assess Water Quality: | Central Coast Regional Board Staff assessed data for Pacific Ocean at Natural Bridges Beach to determine beneficial use support and results are as follows: 0 of 22 samples exceed the criterion for Coliform, Fecal. |
Data Reference: | AB 411 Data for 2004 |
AB 411 Data for 2005 | |
AB 411 Data for 2006 | |
Water Quality Objective/Criterion: | California Ocean Plan (SWRCB 2005) states that the 30-day geometric mean for fecal coliform shall not exceed 200 MPN/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: | Data for this line of evidence for Pacific Ocean at Natural Bridges Beach was collected at one AB411 monitoring site (Natural Bridges Beach) |
Temporal Representation: | Data was collected over the time period 3/8/2004 - 12/26/2006. This includes weekly AB411 monitoring between April 1 and October 31 of each year. |
Environmental Conditions: | |
QAPP Information: | QA information not available |
QAPP Information Reference(s): | |
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LOE ID: | 20141 |
Pollutant: | Fecal Coliform |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | None |
Beneficial Use: | Water Contact Recreation |
Number of Samples: | 85 |
Number of Exceedances: | 0 |
Data and Information Type: | PATHOGEN MONITORING |
Data Used to Assess Water Quality: | Central Coast Regional Board Staff assessed data for Pacific Ocean at Natural Bridges Beach to determine beneficial use support and results are as follows: 0 of 85 samples exceed the criterion for Coliform, Fecal. |
Data Reference: | AB 411 Data for 2004 |
AB 411 Data for 2005 | |
AB 411 Data for 2006 | |
Water Quality Objective/Criterion: | California Ocean Plan (SWRCB 2005) states that the single sample maximum for fecal coliform shall not exceed 400 MPN/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: | Data for this line of evidence for Pacific Ocean at Natural Bridges Beach was collected at one AB411 monitoring site (Natural Bridges Beach) |
Temporal Representation: | Data was collected over the time period 3/8/2004 - 12/26/2006. This includes weekly AB411 monitoring between April 1 and October 31 of each year. |
Environmental Conditions: | |
QAPP Information: | QA information not available |
QAPP Information Reference(s): |
Lines of Evidence (LOEs) for Decision ID 11179 |
LOE ID: | 20156 |
Pollutant: | Total Coliform |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | None |
Beneficial Use: | Water Contact Recreation |
Number of Samples: | 85 |
Number of Exceedances: | 0 |
Data and Information Type: | PATHOGEN MONITORING |
Data Used to Assess Water Quality: | Central Coast Regional Board Staff assessed data for Pacific Ocean at Natural Bridges Beach to determine beneficial use support and results are as follows: 0 of 85 samples exceed the criterion for Coliform, Total. |
Data Reference: | AB 411 Data for 2004 |
AB 411 Data for 2005 | |
AB 411 Data for 2006 | |
Water Quality Objective/Criterion: | California Ocean Plan (2005) single sample maximum standard for total coliform states that total coliform density shall not exceed 1,000 MPN/100 mL when the fecal coliform/total coliform ratio exceeds 0.1. |
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: | Data for this line of evidence for Pacific Ocean at Natural Bridges Beach was collected at one monitoring site (Natural Bridges Beach) |
Temporal Representation: | Data was collected over the time period 3/8/2004 - 12/26/2006. This includes weekly AB411 monitoring between April 1 and October 31 of each year. |
Environmental Conditions: | |
QAPP Information: | QA information not available |
QAPP Information Reference(s): | |
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LOE ID: | 20147 |
Pollutant: | Total Coliform |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | None |
Beneficial Use: | Water Contact Recreation |
Number of Samples: | 26 |
Number of Exceedances: | 0 |
Data and Information Type: | PATHOGEN MONITORING |
Data Used to Assess Water Quality: | Central Coast Regional Board Staff assessed data for Pacific Ocean at Natural Bridges Beach to determine beneficial use support and results are as follows: 0 of 26 samples exceed the criterion for Coliform, Total. |
Data Reference: | AB 411 Data for 2004 |
AB 411 Data for 2005 | |
AB 411 Data for 2006 | |
Water Quality Objective/Criterion: | California Ocean Plan (2005) 30-day geometric mean standard for total coliform states that total coliform density shall not exceed 1,000 MPN/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: | Data for this line of evidence for Pacific Ocean at Natural Bridges Beach was collected at one monitoring site (Natural Bridges Beach) |
Temporal Representation: | Data was collected over the time period 3/8/2004 - 12/26/2006. This includes weekly AB411 monitoring between April 1 and October 31 of each year. |
Environmental Conditions: | |
QAPP Information: | QA information not available |
QAPP Information Reference(s): | |
| |
LOE ID: | 20146 |
Pollutant: | Total Coliform |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | None |
Beneficial Use: | Water Contact Recreation |
Number of Samples: | 108 |
Number of Exceedances: | 0 |
Data and Information Type: | PATHOGEN MONITORING |
Data Used to Assess Water Quality: | Central Coast Regional Board Staff assessed data for Pacific Ocean at Natural Bridges Beach to determine beneficial use support and results are as follows: 0 of 108 samples exceed the criterion for Coliform, Total. |
Data Reference: | AB 411 Data for 2004 |
AB 411 Data for 2005 | |
AB 411 Data for 2006 | |
Water Quality Objective/Criterion: | California Ocean Plan (2005) single sample maximum states that total coliform density shall not exceed 10,000 MPN/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: | Data for this line of evidence for Pacific Ocean at Natural Bridges Beach was collected at one monitoring site (Natural Bridges Beach) |
Temporal Representation: | Data was collected over the time period 3/8/2004 - 12/26/2006. This includes weekly AB411 monitoring between April 1 and October 31 of each year. |
Environmental Conditions: | |
QAPP Information: | QA information not available |
QAPP Information Reference(s): |