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3rd District
Archived Projects
The 3rd District serves the cities of Anaheim*, Irvine*, Lake Forest, Mission Viejo, Orange*, Rancho Santa Margarita, Tustin*, Villa Park, Yorba Linda and the unincorporated…
Building Permit Information
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…
5th District
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,…
All Districts Archived
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…
OC Stormwater 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…
North OC Watershed Management Area
*** Please visit www.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…
Protecting Our Waterways
From regulatory compliance to public education and water quality improvement projects, the OC Watersheds Program has a diverse role in preserving, protecting, and enhancing the coastal resources and…