Other Agencies
American Red Cross (Desert to the Sea Region) California Department of Forestry and Fire Protection (CAL FIRE) -- Incidents U.S. Geological Survey -- Flood and high flow conditions County of…
OM GIS Maps
O&M has GIS maps that depict the County’s maintained roadways and flood control facilities. These maps are used to monitor and manage maintenance activities and projects. …
Dams
Seven Oaks Dam Seven Oaks Dam is one of the largest earth and rock-filled dams in the world. It is as high as a fifty story building and ten football fields in length from side to side. Situated…
Holiday Schedule
The OC Public Works facilities will be closed on the following Observed 2020 Holidays: * Indicates the observed date differs from the actual date of the holiday. 2020…
Office Locations
County Administration South 601 North Ross Street Santa Ana, CA 92701 Click here for directions. Mailing Address: P.O. Box…
Urban Runoff Diversions
The Pump Station O&M Team is responsible for the operation and maintenance of the County's urban runoff diversions and run off filtration systems. Working with the OCSD to divert urban runoff…
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Encampment Mitigation
OC Public Works Operations and Maintenance is responsible for maintaining Orange County Flood Control District (OCFCD) facilities* and unincorporated streets within Orange County. This includes…
Fence Maintenance
OC Operations and Maintenance (O&M) employs fencing to designate right of way and as a primary security measure to protect its properties from unauthorized access. We use various forms of fencing…
Graffiti Removal
OC Operations and Maintenance (O&M) prioritizes the removal of graffiti as part of our commitment to maintaining clean, safe, and professional environments across its properties. The OC Board of…