Prop.84 OC Public Works Glassell Campus Stormwater Low Impact Development Retrofit ProjectClick here to view the Project Public Outreach VideoProject BackgroundOC Public Works Glassell Campus…

The County, cities, and water/special districts located within the Orange County and San Diego Regional Water Board boundaries have been meeting since 2003 in an effort to work together on water…

Municipal Separate Storm Sewer System (MS4) permits issued by the Santa Ana and San Diego Regional Water Quality Control Boards (RWQCBs) require municipalities to condition “priority” new development…

Regulatory BackgroundThe California State Water Resource Control Board and the nine Regional Water Quality Control Board (RWQCB), through the Clean Water Act, help address water pollution by…

WORKING FOR ORANGE COUNTYOC Watersheds protects public health and safety, promotes environmental quality, and sustains business competitiveness through education, regulation and collaborative…

The County and cities of south Orange County are subject to a municipal separate storm sewer system permit (MS4 Permit) issued by the San Diego Regional Water Board (Water Board) which regulates…

The Unincorporated Orange County Stormwater Program works to keep pollution out of our flood control channels, creeks, rivers and ocean. The County is regulated by two separate Municipal Stormwater…

Access and download critical data and PDF files from the navigation menu.State of the Environment ReportsSurface Water Quality Infrastructure Report CardFederal AgenciesOC Watersheds Grand…

Below is the Stormwater Program Effectiveness Assessment (PEA) for the County of Orange/Orange County Flood Control District (County), for the 2016-17 reporting period (July 1, 2016 - June 30,…

Please visit northocirwm.org for the most up-to-date information on Integrated Regional Water Management (IRWM) efforts in North and Central Orange County. Efforts to develop a combined …