Construction Activities
A number of documents are available on these pages that describe the regulations and programs aimed at preventing and controlling the discharge of pollutants to the municipal stormdrain system and…
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Campus LowImpact Development Retrofit Project
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…
Central OC Watershed Management Area
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 …
Surface Water Quality Infrastructure Report Card
Orange County ASCE infrastructure report cards were prepared in 2002, 2005, and 2010, and were instrumental in raising awareness of elected officials, decision makers, and the general public as…
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New Development Significant Redevelopment
A number of documents are available on these pages that describe the regulations and programs aimed at preventing and controlling the discharge of pollutants to the municipal stormdrain system and…
Municipal Activity
A number of documents are available on these pages that describe the regulations and programs aimed at preventing and controlling the discharge of pollutants to the municipal stormdrain system and…
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…
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