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…

OC Public Works, on behalf of the municipalities of South Orange County Watershed Management Area (South OC WMA), has initiating the Flow Ecology Special Study as identified in the Water Quality…

In a presentation at the California Stormwater Quality Association (CASQA) quarterly meeting on July 15, 2021, the OC Stormwater Program shared how data from a number of sources is enabling the…

South OC Municipalities Prepare and Submit the First WQIP Annual Report The County of Orange and municipalities of south Orange County have prepared and submitted to the San Diego Regional…

CHWSRS Work Plan Development On March 4, 2019, OC Environmental Resources, a service area of OC Public Works, and the municipalities of the South Orange County Watershed Management Area (South OC…

The OC Stormwater Program has developed an ArcGIS Story Map that acts as a guided tour of Best Management Practice (BMP) implementation throughout the South Orange County Watershed Management Area (…

On behalf of the South Orange County Watershed Management Area Integrated Regional Water Management (SOCWMA IRWM) Group, you are invited to attend the fourth meeting of the Aliso Creek Watershed…

The County of Orange and municipalities of south Orange County have prepared and submitted to the San Diego Regional Water Quality Control Board on January 30, 2020, a South…

The County of Orange and municipalities of south Orange County have prepared and submitted to the San Diego Regional Water Quality Control Board on January 30, 2020, a South OC Water Quality…

The Orange County Stormwater Program wants to hear feedback from the land development community on the Model Water Quality Management Plan, Technical Guidance Document, and other resources used to…