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Anderson Lake (California)


Anderson Lake (California)

Anderson Lake
Country United States
State California
County Santa Clara
District Santa Clara Valley Water District
City Morgan Hill, California
River Coyote Creek
A photo of the Anderson Dam in Santa Clara County, California, viewed across Anderson Lake in 2014.
Anderson Dam with the spillway visible to the right.

Anderson Lake, informally called Anderson Reservoir,[1] is a man-made lake along

  1. ^ U.S. Geological Survey Geographic Names Information System: Anderson Lake
  2. ^ a b c  
  3. ^ a b "Anderson Lake County Park. Parks and Recreation. County of Santa Clara". County of Santa Clara. June 6, 2014. Retrieved 2014-09-06. ...the multiple use paved trail which follows Coyote Creek north for fifteen miles to Coyote Hellyer County Park. This asphalt path is relatively flat and meanders along the creek underneath oak, cottonwood and sycamore trees. 
  4. ^ Santa Clara County Parks and Recreation Department. "Mercury Found In County Reservoirs". Retrieved 2014-05-20. 
  5. ^ Rogers, Paul (January 5, 2009). "New study shows massive earthquake could cause Anderson Dam to fail". San Jose Mercury News. 
  6. ^ a b Sandra Gonzales (2010-10-13). "Study: Santa Clara County's Anderson Dam at risk of collapse in major earthquake". San Jose Mercury News. Retrieved 2010-10-29. 
  7. ^ Marty Grimes (2010-10-13). Preliminary findings indicate Anderson Dam needs seismic retrofit (Report). Santa Clara Valley Water District. Archived from the original on 12 November 2010. Retrieved 2010-10-29.
  8. ^ Marty Grimes (2011-07-06). Final Anderson Dam seismic study concludes that storage restrictions can be modified but dam must be retrofitted (Report). Santa Clara Valley Water District. Retrieved 2011-07-26.


See also

The 3,144-acre (1,272 ha) Anderson Lake County Park is managed by the Santa Clara County Parks and Recreation Department. Features in addition to the county's largest reservoir are the Coyote Creek Parkway multiple use trails, the Jackson Ranch historic park site, the Moses L. Rosendin Park, the Burnett Park area, and Anderson Lake Visitors Center. Coyote Creek Parkway, a paved trail along Coyote Creek that heads 15 miles (24 km) north to Hellyer County Park, is used for hiking, running, bicycling, horse riding, and skating.[3]

Anderson Lake County Park

In July 2011 the Santa Clara Valley Water District issued a report stating that the seismic stability study on Anderson Dam was completed. The storage restriction that has been in place since October 2010 was adjusted, allowing 12 additional feet of storage, which measures 68 percent of the dam's capacity, up from 57 percent. The water district has initiated a capital project for a seismic retrofit by the end of 2018. The operating restriction will remain in place until the project is completed.[8] According to the SCVWD, remediation of the problem will cost as much as US$100 million.[6]

[7] In response SCVWD has lowered the water to 54% full, which is 60 feet below the dam crest.[6] In January, 2009, a preliminary routine seismic study suggested a small chance that a high-

The 235-foot high earthen Leroy Anderson Dam sits on Cochrane Road, east of Morgan Hill, and along the Calaveras Fault, which runs from Hollister to Milpitas. It holds 90,000 acre feet (110,000,000 m3) of water when full, more than the other nine reservoirs in the county combined.

Risk of dam failure


  • Risk of dam failure 1
  • Anderson Lake County Park 2
  • See also 3
  • References 4

The 3,144-acre Anderson Lake County Park surrounds the reservoir,[3] and provides fishing[4] ("catch and release" due to mercury contamination), picnicking, and hiking activities. Boating, water-skiing and jet-skiing are permitted in the reservoir.

Anderson Lake is the largest man-made lake in Santa Clara County. [2] The dam and lake were named after the key founder and first president of the water district, Leroy Anderson.[2] Anderson Dam was built in 1950 to provide drinking water for Santa Clara county; the lake has also become a source of recreation to nearby residents.[2]

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