As a result of the Third Term NPDES Municipal Stormwater Permits for Orange County, adopted by the Santa Ana and San Diego Regional Water Quality Control Boards in early 2002, the cities and County (…

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…

The Orange County Stormwater Permittees have recently conducted and participated in a number of special studies and investigations which are available below. If there are any questions regarding the…

2018 Meetings November 1, 2018 Meeting Agenda Presentations August 2, 2018  Meeting Agenda Minutes  Presentations May 3, 2018  Meeting Agenda…

Table of Contents: [Santa Ana Region] Acronyms Executive Summary Certification Page: [Santa Ana Region] Section C-1: Introduction Section C-2: Program…

OC Stormwater Program The Orange County Stormwater Program (Program) is a cooperative of the County of Orange (Unincorporated OC), Orange County Flood Control District (OCFD) and all 34 Orange…

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…

*** Please visit www.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…

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From regulatory compliance to public education and water quality improvement projects, the OC Watersheds Program has a diverse role in preserving, protecting, and enhancing the coastal resources and…