| Section
2 Site
Descriptions |
| 2.1
1990 NPDES Permit - Sampling Sites |
|
2.1.1 Automated Sampling Program-1990 NPDES Permit |
| 2.2
1996 NPDES Permit - Sampling Sites |
|
2.2.1 Site Selection |
|
2.2.1.1 Mass Emission Site Selection |
|
2.2.1.2 Land Use Site Selection |
|
2.2.1.3 Critical Source Site Selection |
|
2.2.2 Location and Drainage Area Descriptions |
|
2.2.2.1 Mass Emission Monitoring Sites |
|
2.2.2.2 Land Use Monitoring Sites |
|
2.2.2.3 Critical Source Monitoring Sites |
| Section
4 Results
and Interpretation |
| 4.1
Hydrology: Precipitation and Flow |
| 4.2
Stormwater Quality |
|
4.2.1 Overall Imperviousness |
|
4.2.2 Bacterial Indicators |
|
4.2.3 Stormwater Toxicity |
|
4.2.4 Contaminated Sediments and Total Suspended Solids |
4.2.5 Comparison of Mass Emission Concentrations to the
Ocean
Plan, Basin Plan, and California Toxics Rule |
|
4.2.6 Loading |
|
4.2.6.1 GIS Loading Model |
|
4.2.7 Constituents of Concern |
|
4.2.8 Identification of Possible Sources |
|
4.2.9 Best Management Practices for Critical Source Industries |
| Section
5 Conclusions
and Recommendations |
| 5.1
Objectives Achieved |
5.1.1 Track Water Quality Status, Pollutant Trends and
Pollutant
Loads, and Identify Pollutants of Concern |
5.1.2 Monitor and Assess Pollutant Loads from Specific
Land
Uses and Watershed Areas |
5.1.3 Identify, Monitor and Assess Significant Water
Quality
Problems Related to Stormwater Discharges Within the
Watershed |
|
5.1.4 Identify Sources of Pollutants in Stormwater Runoff |
|
5.1.5 Identify and Eliminate Illicit Discharges |
5.1.6 Evaluate the effectiveness of Mgmt. Programs including
Pollutant Reductions Achieved by Implementation of
BMPs |
5.1.7 Assess the Impacts of Stormwater Runoff on Receiving
Waters |
| 5.2
Wide Channel Pilot Study |
| 5.3
Low Flow Pilot Study |
| 5.4
Future Monitoring Recommendations |
|
5.4.1 Mass Emission Element |
|
5.4.2 Land Use Element |
|
5.4.3 Critical Source Element |
|
5.4.4 TMDLs in Los Angeles County |
|
5.4.5 Constituents of Concern |
|
5.4.5.1 Bacteria |
|
5.4.5.2 Contaminated Sediments |
|
5.4.5.3 Stormwater Toxicity |
|
5.4.6 Receiving Waters Impacts |
|
5.4.7 Other Monitoring Activities |
