| ACOE | Army Corps of Engineers |
| APWA | American Public Works Association |
| AQMD | Air Quality Management District |
| ASBS | Area of Special Biological Significance |
| BIA | Building Industry Association |
| BMP | Best Management Practices |
| CASQA | California Stormwater Quality Association |
| CDS | Continuous Deflector System |
| CEQA | California Environmental Quality Act |
| CIWMB | California Integrated Waste Management Board |
| COG | Council of Governments |
| CSD | L.A. County Sanitation Districts |
| CWSMP | County Wide Stormwater Management Plan |
| LACDHS | L.A. County Department of Health Services |
| LACDPW | L.A. County Department of Public Works |
| LACFCD | L.A. County Flood Control District |
| NPDES | National Pollutant Discharge Elimination System |
| NRDC | Natural Resources Defense Council |
| RWQCB | Regional Water Quality Control Board |
| SCAG | Southern California Association of Governments |
| SCCWRP | Southern California Coastal Waters Research Project |
| SUSMP | Standard Urban Stormwater Mitigation Plan |
| SWPPP | Storm Water Pollution Prevention Plan |
| TMDL | Total Maximum Daily Load |
| WMAP | Watershed Management Area Plan |