History

1862

Orange County experiences one of its largest floods


1889

The County of Orange is established 


1916

Major flood generated by two storms that caused loss of life and significant property damage throughout Southern California

1916 Flood Garden Grove

1927

Orange County Flood Control District is established


1936

Federal Flood Control Act authorizes the Santa Ana River Basin Federal Flood Control Project consisting of several dams


1939

Congress directs U.S. Army Corps of Engineers to proceed with design of Prado Dam


1955

Orange County Flood Control District completes comprehensive report recommending countywide plan to construct channel improvements, dams and retarding basins

George Osborne George Osborne appointed by the Board of Supervisors as Chief Engineer of the Orange County Flood Control District (OCFCD) 

1968

Completed construction of the County’s Central Utility Facility. The CUF is managed by OCPW and delivers electricity, heating and cooling to County, Federal and City of Santa Ana buildings in the Santa Ana Civic Center


1974

George Osborne appointed by the Board of Supervisors as the first Director of the new Environmental Management Agency (EMA), the foundation of what would later become Orange County Public Works (OCPW)


1994

Construction begins for the Seven Oaks Dam in San Bernardino County, which is operated and maintained by the Orange County Flood Control District, The San Bernardino County Flood Control District and Riverside County Flood Control and Water Conservation District


1999

Construction of the Seven Oaks Dam is completed, measuring 550-foot-high, 2,980-foot long and made of 38 million cubic yards of soil, rock and clay.


2001

Orange County Flood Control District named as a California Historic Civil Engineering Landmark by the American Society of Civic Engineers


2016

OCPW completes the Avenida La Pata Extension Project connection between San Juan Capistrano and San Clemente, the County’s largest roadway project in history


2018

OCPW completes the new OC Animal Care Facility, replacing the previous County animal shelter built in the 1940s


2018

Completed the $68 million Central Utility Facility infrastructure upgrades project in the Santa Ana Civic Center


2019

OCPW completes construction of County Administration South building and County Service Center, the first phase of the Santa Ana Civic Center Facilities Strategic Plan