OM Services
OC STORM CENTER Rainfall Data Ocean & Bay Closure Hazards & Warnings Other Agencies SERVICE CENTER Inspection Regulatory Pot Hole Repair Tree Maintenance Catch…
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Flood Control Infrastructure Maintenance
The County of Orange maintains 380 miles of concrete, rock-lined and earthen flood control facilities. Flood control facilities are designed to handle water flow from storm drains and other runoff…
Protecting the Environment
The Santa Ana River and its shoreline are home to numerous threatened or endangered species, including the Santa Ana sucker, the least Bell's vireo, the southwestern willow flycatcher, and the…
Lower Santa Ana River
Improvements to 23 miles of existing channel from Weir Canyon Road to the Pacific Ocean include channel widening, improvement to the existing Greenville-Banning Channel located parallel to the river…
Flood Programs
Flood Programs is comprised of Floodplain Management, Hydrology and the Santa Ana River Section. Floodplain Management consists of preparing facilities studies; assisting other OCPW…
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…