OC Watershed

Manages the OC Watersheds which protect public health and safety, promote environmental quality, and sustain business competitiveness through education, regulation and collaborative regional programs.

Core Services

Countywide Compliance

Protects and improves water quality in local water bodies and beaches, while facilitating countywide compliance with state and federal stormwater runoff regulations.

OC Watershed Management Areas (North & South Regions)

Coordinates watershed management efforts with stakeholders and facilitates large-scale integrated water resource projects. Collects, manages and assesses water quality, hydrologic and meteorological data on the state of the Orange County environment.

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October 15, 2020
2:00 PMNPDES Technical Advisory CommitteeAgenda will be posted at a later date.

Meeting location is below:

Quail Hill Community Center
39 Shady Canyon Drive, Irvine, CA 92603

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Latest News

News ImageMarch 11, 2020  Final Comprehensive Human Waste Source Reduction Strategy Work Plan Now Available!

A finalized version of the Comprehensive Human Waste Source Reduction Strategy (CHWSRS) Work Plan for the South Orange County Watershed Management Area is now available.

View and Download the Work Plan Here

News ImageFebruary 3, 2020  2018-19 South OC Water Quality Improvement Plan Annual Report Submitted

South OC Municipalities Prepare and Submit 2018-19 WQIP Annual Report

News ImageSeptember 4, 2019  Flow Ecology Special Study Initiated for South Orange County

See the following web page for more information: http://www.ocwatersheds.com/documents/south_oc_water_quality_improvement_plan_(wqip)/flow_ecology_special_study