Contributors to the SMC’s Regional Watershed Monitoring Program for 2021-2025

Dozens of agencies are contributing their resources and expertise to the third cycle of the SMC’s Regional Watershed Monitoring Program. Many agencies are collecting and contributing sampling data, while others are supporting sample analysis and QA (quality assurance). Still others are simply providing counsel and perspective.

SMC stormwater regulated agencies

  • Ventura County Watershed Protection District
  • Los Angeles County Flood Control District
  • Los Angeles River Watershed Monitoring Program
  • San Gabriel River Regional Monitoring Program
  • Orange County Public Works
  • Riverside County Flood Control and Water Conservation District
  • San Diego County Co-Permittees (combined)
  • San Bernardino County Public Works
  • City of Long Beach
  • City of Los Angeles

SMC regulatory agencies

  • Regional Water Quality Control Board – Los Angeles
  • Regional Water Quality Control Board – Santa Ana
  • Regional Water Quality Control Board – San Diego
  • State Water Resources Control Board Surface Water Ambient Monitoring Program

Other contributors

  • Southern California Coastal Water Research Project
  • California Department of Fish and Wildlife
  • Moss Landing Marine Laboratories
  • U.S. Army Corps of Engineers
  • Ventura Regional Sanitation District
  • Sanitation Districts of Los Angeles County
  • Council for Watershed Health
  • National Park Service
  • University of California, Los Angeles
  • Oregon State University
  • Aquatic Bioassay & Consulting
  • Frog Environmental
  • Tetra Tech
  • Weston Solutions
  • Wood Environment and Infrastructure Solutions