County of Los Angeles Department of Public Works

Department of Public Works
Resident Business Government
LA County Home  >  DPW Home
Watershed Management Site Index www.888cleanla.com
Watershed Management Identifier
Mark Pestrella
Assistant Deputy Director/
Division Engineer

Terri Grant
Assistant Division Engineer

Hector J. Bordas
Assistant Division Engineer

Rossana D’Antonio
Assistant Division Engineer

For information call
(626) 458-4300
LOS ANGELES COUNTY
1999-2000 STORMWATER
MONITORING REPORT

TABLE OF CONTENTS


Acronyms and Abbreviations

 
Executive Summary

 
Section 1   Introduction
     1.1    Purpose
     1.2    Report Organization
     1.3    Background
          1.3.1    Mass Emissions Program
          1.3.2    Land Use Monitoring Program
          1.3.3    Critical Source/BMP Program

 
Section 2     Site Descriptions
     2.1    Site Selection
          2.1.1     Mass Emission Site Selection
          2.1.2     Land Use Site Selection
          2.1.3     Critical Source Site Selection
   2.2    Location and Drainage Area Descriptions
          2.2.1    Mass Emission Site Selection
          2.2.2    Land Use Site Selection
          2.2.3    Critical Source Site Selection

 
Section 3     Methods
     3.1    Precipitation and Flow Measurement
          3.1.1    Precipitation Monitoring
          3.1.2    Flow Monitoring
     3.2    Stormwater Sampling
          3.2.1    Sample Collection Methods
          3.2.2    Field Quality Assurance/Quality Control Plan
          3.2.3    Sampling Frequency
     3.3    Laboratory Analyses
          3.3.1    Possible Constituents of Concern
          3.3.2    Analytical Suite and Analytical Methods
          3.3.3    Quality Assurance and Quality Control

 
Section 4     Results and Interpretation
     4.1    Hydrology: Precipitation and Flow
     4.2    Stormwater Quality
          4.2.1    Determination of Constituents of Concern for Analysis
          4.2.2    Mass Emission Element
          4.2.3    Land Use Element
          4.2.4    Critical Source Element

 
Section 5    Conclusions and Recommendations
     5.1    Objectives Achieved
     5.2    Mass Emission Program Conclusions
     5.3    Land Use Program Conclusions
     5.4    Critical Source Program Conclusions
     5.5    Recommendations

 
Section 6     References

 
Tables

 
Figures

 
Appendices

 
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