Body 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 and significant redevelopment projects to ensure they incorporate structural controls into their design which capture and infiltrate, treat, reuse, and/or evapotranspirate stormwater...

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Body Regulatory Background The 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 regulating point sources that discharge pollutants, such as stormwater and non-stormwater discharges, to waters of the United States under the National Pollutant...

Body 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 Improvement Plan Annual Report, covering progress during the 2018-19 reporting period. The South OC WQIP is a long...

Body These reports, prepared as part of the Reports of Waste Discharge (ROWDs) submitted near the end of 4th term MS4 Permits for Orange County, represents a commitment to present a comprehensive picture of the quality of Orange County’s creeks, rivers, bays and coastal waters and the actions being taken by...

Body 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 Project Collaboration Group. The purpose of this and future meetings of this group is to develop goals for projects within...

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Body Below is the Santa Ana Regional Board jurisdictional Stormwater Program Effectiveness Assessment (PEA) for the County of Orange/Orange County Flood Control District (County), for the 2017-18 reporting period (July 1, 2017 - June 30, 2018). This report documents the County's efforts to protect and improve surface water quality through the...

Body In an effort to provide the public with a straightforward method to retrieve information a Document Database Library was created. This library is a search tool to find documents, reports or regulatory information in an effortless manner. If there are any questions regarding the details of a document, or to...

Body * Please note that the reports below are prepared on behalf of municipalities within the Santa Ana Region Water Quality Control Board jurisdiction of Orange County. For reports on progress in south Orange County (San Diego Regional Water Quality Control Board jurisdiction of Orange County), see the following page of...