Data Resources
Access and download critical data and PDF files from the navigation menu. State of the Environment Reports Surface Water Quality Infrastructure Report Card Federal Agencies OC…
MODEL WATER QUALITY MANAGEMENT PLAN AND TECHNICAL GUIDANCE DOCUMENT BACKGROUND
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…
EMPTY FIELD
EMPTY FIELD
South OC Watershed Management Area
Please visit www.southocirwm.org for the most up-to-date information on Integrated Regional Water Management (IRWM) efforts in South Orange County. **SOUTH ORANGE COUNTY ANNOUNCES PROPOSITION 1…
Regional Stormwater Program
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…
201819 South OC Water Quality Improvement Plan Annual Report Submitted
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 Stormwater State of the Environment Reports
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…
Next Aliso Creek Watershed Collaboration Group Meeting January 8th 2020 9AM at SCCWRP
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…
EMPTY FIELD
EMPTY FIELD
201718 CountyOCFCD PEA Report
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…