Contra Costa Canal

The Contra Costa Canal is a 47 mi (76 km) aqueduct in the U.S. state of California. Its construction began in 1937, with delayed completion until 1948 due to World War II shortages in labor and materials.[2] A portion of the canal's right of way has been developed as the Contra Costa Canal Regional Trail, a biking and walking trail, and is managed by the East Bay Regional Park District.

Contra Costa Canal in 1940[1]

Canal uses

The Contra Costa Canal is used for agricultural, industrial, and municipal water purposes.[3] Due to the water used for water supply for different cities, the canal is fenced off from the public.[4] The canal provides water for the largest urban contractor of the Central Valley Project, the Contra Costa Water District.[2] It is part of the Central Valley Project managed by the United States Bureau of Reclamation to divert Sacramento-San Joaquin Delta water from Rock Slough[2] as far as Martinez, California in Central Contra Costa County.

Canal management

Contra Costa Water District

Distributes water from the canal to[5]:

Los Vaqueros Reservoir
Fish Screen at Contra Costa Canal[1]

Los Vaqueros Reservoir is an off-stream water storage passed in 1988 by voters to store water from the canal for purposes to improve water quality.[6]

Contra Loma Reservoir

A 2,000 acre-foot reservoir built in Antioch as an emergency supply for Contra Costa Canal.[6]

East Bay Regional Park District

Inline canal water screens

An inline canal water screen was installed to remove debris including moss, grass, hyacinth, and tumbleweeds.[7]

Social impact

A three-day water arrival celebration from Contra Costa Canal to the City of Pittsburg was held in 1940. Per the Canal's link to the city, Pittsburg became desirable due to its drinkable water, resulting in building of homes and increasing population in the area. Local citizens were satisfied with the new arrangement because of the increase of water quality that exceeded their local water reserves.[8]

Public concerns

Accidents and prevention

Eight people have drowned since 2000, causes ranging from trespassing to car accidents. Many people drown due to falling into the canal and having trouble getting out because the canal has a steep build and the sides are slippery. The water current reaches up to 12 mph, and can take people through areas of 6–8 feet of depth, and 18 feet wide. Ways to stop trespassing and reduce deaths in the canal include putting up chain link fences around the canal, placement of warning signs, childhood education, pamphlet distribution, phone numbers to report people, and handing out fines from $25-$500. However, people still jump or cut fences to get into canal for all different kinds of activities.[9]

Safety education

The Contra Costa Water District has created and uploaded a video on YouTube and on their site named “Staying Safe Along the Contra Costa Canal” for public viewing. Safety drills are held to train canal workers in rescuing people from the canal in case of an emergency. There are also canal patrol officers.[10]

Recreation

Contra Costa Canal Trail

The trail runs along the Contra Costa Canal through central Costa County, connecting regional trails. It connects schools, commercial areas, and public transportation. It was created by Contra Costa Water District, Bureau of Reclamation and the Park District. It is publicly accessible by bikers, runners, pedestrians, and equestrians.[4]

Wildlife

Fish, crawdads, geese, ducks, egrets, muskrats, beavers, otters, and wild pigs have been spotted in the canal.[11]

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References
  1. "Contra Costa Canal. :: Northeastern California Historical Photograph Collection". archives.csuchico.edu. Retrieved 2016-05-22.
  2. "CCWD History". Contra Costa Water District.
  3. "Contra Costa Water District (C)". US Army Corps of Engineers.
  4. "Contra Costa Canal Trail". www.ebparks.org. Retrieved 2016-05-08.
  5. "Canal Safety & You | Contra Costa Water District, CA". www.ccwater.com. Retrieved 2016-05-15.
  6. "CCWD History | Contra Costa Water District, CA". www.ccwater.com. Retrieved 2016-05-15.
  7. "Contra Costa, California's Mossy Mess Cleaned". International Water Screens. Retrieved 2016-05-15.
  8. "Pittsburg's Water Fiesta | Contra Costa Water District, CA". www.ccwater.com. Retrieved 2016-05-08.
  9. "Contra Costa: Water district hopes notion of avoiding canals sinks in". EastBayTimes.com. Retrieved 2016-05-08.
  10. Contra Costa Water District (2013-12-03), Staying Safe Along the Contra Costa Canal, retrieved 2016-05-08
  11. "Morris: Otters in the waters of Contra Costa". www.mercurynews.com. Retrieved 2016-05-15.

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