OC Watersheds Santa Ana River Watershed

Welcome to OC Watershed's Reports and Studies Section. We continue to add to this section to keep you informed of watershed activities and progress. The Reports and Studies provided have a range of information that are going on and or being considered in this area.

The Final Draft of the North Orange County Watershed Management Area (WMA) Integrated Regional Water Mangement Plan (IRWMP) is now available in final draft for public comment.

If there are any questions regarding the details of a document, or to obtain a hard copy or other alternative formats of the original document, or to have a document read to you, please contact the OC Public Works offices:

2301 N. Glassell St., Orange, CA, 92865
Monday through Friday, 7:00 am to 5:00 pm PST,
by email at OC Watersheds, or by phone at (714) 955-0603

Huntington State Beach Water Quality: Beginning in 1999, our primary issue in this watershed has been high bacterial levels at the beach. The reports listed below detail three phases of investigations and management actions in response to bacteria contamination at Huntington State Beach.

Huntington State Beach Closure Investigation, Phase I: Initial investigation by Orange County Sanitation District during summer, 1999

Coastal Runoff Impact Study: The first study of the contributions of runoff by the University of California-Irvine in December, 1999

Huntington Beach Closure Technical Review: Review of Phase I investigation by Blue Ribbon Panel of experts sponsored by USC Sea Grant

Bacteria in a Coastal Saltwater Marsh and Its Impact on Surf Zone Water Quality: Orange County Santitation District's Phase II investigation conducted during Summer, 2000

Sources and Dynamics of Pollutants in the Lower Santa Ana River Watershed: third study by U.C. Irvine conducted

NWRI Blue Ribbon Panel Review of Studies: A review of the studies conducted during 2000 by a panel of experts sponsored by the National Water Research Institute