OC Public Works Standard Plans Caltrans Standard Specifications Caltrans Standard Plans Caltrans Standard Details APWA Standard Plans (Purchase) and Green Book (Purchase) If there are any…

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Introduction The Santa Ana River Mainstem Project is designed to provide flood protection to the growing urban communities in Orange, Riverside and San Bernardino Counties . The proposed…

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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…

Flood control is provided by a system of levees, channels and storm drains. All stormwater runoff is conveyed by gravity through a system of drainage lines and canals into the suction bays of various…

Our Core Businesses At the direction of the County Executive Officer and Board of Supervisors, the City Contracts Section manages and maintains quality public roads, parks, trails, storm drains, open…

CHANNELS 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…

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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