OC Public Works provides for the planning, development, operation and maintenance of public works in Orange County including regional and sub-regional flood control facilities which are the…

Around the turn of the 20th century, farming interest began development of the land today known as Orange County. Farms and factories were soon established and as farming intensified and prospered, a…

EMPTY FIELD

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…

Prado Dam is an existing facility constructed by the Corps of Engineers in 1941. The plan of improvement for the Prado Dam and reservoir, which has an estimated cost of $880 million includes…

OC Road Fee ProgramsFor any additional information, please contact the OC Road Fee Programs Team and someone will get back to you.Address:601 N. Ross Street, Santa Ana, CA 92701. Click  here for…

Avenida La Pata Supplementary Road Fee Program Plano Trabuco Road Fee Program

Project Background The bridge located along Trabuco Canyon Road, between Rose Canyon Road and Trabuco Creek Road, is nearing the end of its service life and has required repeated maintenance…

Homeowners’ Guide for Post-Fire Flood, Debris, and Erosion Control We know from past experience that burn areas are especially susceptible to damage from flooding, and mud and debris flows that…

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.…