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A TMDL (Total Maximum Daily Load) is defined in federal regulations as “the sum of the individual waste load allocations for point sources and load allocations for nonpoint sources and natural…
The County, cities, and water/special districts located within the Orange County and San Diego Regional Water Board boundaries have been meeting since 2003 in an effort to work together on water…
Access and download critical data and PDF files from the navigation menu.State of the Environment ReportsSurface Water Quality Infrastructure Report CardFederal AgenciesOC Watersheds Grand…
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…
Table of Contents: [Santa Ana Region] Acronyms Executive Summary Certification Page: [Santa Ana Region] Section C-1: Introduction Section C-2: Program Management Section…
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 this page you'll find Grand Jury reports that are relevant to our work. Several of the reports have findings and recommendations specific to the OC Public Works Department (formerly Resources…