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Emergency Information
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For life threatening emergencies, call 911! For more emergency information and sandbag locations click here . Storm Operations Center phone (714) 955-0200 The OC Public Works/Storm Operations Center is activated when heavy to extreme rainfall is predicted or occurs and/or when storm run-off conditions are such that there is a...
Documents & Maps
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In this section you will find several informational resources including online maps, drawings, reports, manuals, and links to County Standard Plans and other government resources. Standard Plans & Specifications Find links to County, other governmental and non-governmental Standard Plans & Specifications. Drawings The Flood Drawing Index is an online link...
El Toro Road Fee Program
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Year Adopted: 1982 Supervisorial Districts: 3 & 5 Cities covered by El Toro Road Fee Program: Lake Forest and Mission Viejo Program Description Improve El Toro Road from Trabuco Road to the intersection of Santiago Canyon Road/Live Oak Canyon Road to Major and Primary Arterial Highway View the picture_as_pdf El...
East Garden Grove-Wintersburg Channel Improvement Project
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The East Garden Grove-Wintersburg Channel Improvement Project was officially completed in March 2023. Read and download the Notice of Project Completion . Watch the before and after drone video footage filmed by OC Survey!
OC Road Fee Programs
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The County of Orange has six active OC Road Fee Programs. Each OC Road Fee Program has a specific Area of Benefit (AOB) that determines if an OC road fee is associated with the building permit application. Each OC Road Fee Program also has its own fee schedule which imposes...
Lower Santa Ana River
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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 near the coast, relocation of Talbert Channel ocean outlet and construction of rock jetties and derrick stone jetties at the mouth...
Local Flood Hazard
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The major flooding threat in Orange County has been the Santa Ana River. In 1938, the Santa Ana River flooded parts of Anaheim, Santa Ana, and Garden Grove, reportedly killing more than 50 people. Although the Prado Dam helped to substantially reduce the flood damage, the 1969 storm caused the...
Moulton Parkway/Laguna Niguel Road Fee Program
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Year Adopted: 1987 Supervisorial District: 5 Cities covered by Moulton Parkway/Laguna Niguel Road Fee Program: Aliso Viejo, Dana Point, Laguna Beach, Laguna Hills, Laguna Niguel, Laguna Woods, Mission Viejo, and San Juan Capistrano Program Description Improve Moulton Parkway and 8 intersections (6 on Crown Valley Parkway and 2 on Paseo...
OC City Floodplain Administrator Contact Info
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City/Website Department/Division Phone Aliso Viejo Public Works (949) 425-2533 Anaheim Planning (714) 765-5149 Brea Building & Safety Division (714) 990-7765 Buena Park Public Works (714) 562-3670 Costa Mesa Development Services Dept./Planning (714) 754-5611 Cypress Public Works Dept./Engineering (714) 229-6740 Dana Point Community Development (949) 248-3572 Fountain Valley Building Division (714)...