A building permit provides you formal permission to begin construction of a building project in accordance with the approved permit documents (i.e. drawings, calculations, specifications).  We…

Archived Projects  The 5th District serves the cities of Aliso Viejo, Costa Mesa, Dana Point, Irvine*, Laguna Beach, Laguna Hills, Laguna Niguel, Laguna Woods, Newport Beach, San Clemente,…

The following archived projects impacted all districts within Orange County. Select one from the navigation menu to learn more.  Please select a project from the navigation menu for more…

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…

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…