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Castac Lake

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Endorheic lake in Lebec, California

Not to be confused with Castaic Lake.
Castac Lake
Castac Lake is visible from I-5.
Location of Castac Lake in California, USA.Location of Castac Lake in California, USA.Castac LakeShow map of CaliforniaLocation of Castac Lake in California, USA.Location of Castac Lake in California, USA.Castac LakeShow map of the United States
LocationLebec, Kern County, California
Coordinates34°50′06″N 118°50′35″W / 34.8349730°N 118.8431683°W / 34.8349730; -118.8431683
Typesaline, endorheic (sink)
Primary inflowsCuddy Creek, Bear Canyon, Crane Canyon
Primary outflowsGrapevine Creek
Catchment area56 sq mi (150 km)
Max. length1 mile (1.6 km)
Surface area400 acres (160 ha)
Surface elevation3,484 ft (1,062 m)

Castac Lake (Chumash: Kaštiq), also known as Tejon Lake, is a natural saline endorheic, or sink, lake near Lebec, California. The lake is located in the Tehachapi Mountains just south of the Grapevine section of Interstate 5, and within Tejon Ranch. Normal water elevations are 3,482 feet (1,061 m) above sea level.

Geography and geology

The lake lies in a natural sink at the eastern end of the Castac Valley, a rift valley formed along the Garlock Fault. The main inflows are Cuddy Creek and small intermittent streams originating in Bear and Crane Canyons, draining a total of 56 square miles (150 km) into the lake. The lake itself was formed about 10,000 years ago, by the natural damming of water behind the alluvial fan of Cuddy Creek, blocking its natural northern outlet to Grapevine Creek. During most years the outlet sits about 12 feet (3.7 m) higher than the lake surface. During rare flooding events, the lake does overflow into Grapevine Creek, which flows through a canyon into the San Joaquin Valley.

History

Although Castac Lake itself is saline, or salty, the abundance of freshwater springs nearby made it an attractive area for human settlement. The lake area was once the territory of the Castac and Emigdiano groups of Chumash people, who occupied the area between Tejon Pass and the modern Grapevine. Several Native American villages were located in the area, including the Emigdiano village of Sasau on the northern shore of the lake. The Chumash name for the lake was Kash-tük, or "my eyes". The lake was known as A-uva-pya, or "in his eyes", in Kitanemuk, and as Sasa-u, "at the eye", in Yokuts.

The lake was first seen by Spanish explorer Pedro Fages who in 1772 led the first European expedition to cross the Tehachapis via Tejon Pass into the San Joaquin Valley. Fages named the lake Salinas de Cortes and Tejon Pass the Portezuelo de Cortes. The lake's modern name may have originated from a later Spanish expedition circa 1806, in which Father José María de Zalvidea noted a Native American village called "Casteque" or "Kashtiq" near " pure salt water".

In 1843 the lake was incorporated in a land grant which formed 22,178-acre (8,975 ha) Rancho Castac. In 1854, Fort Tejon was founded in the Grapevine Valley about 5 miles (8.0 km) northwest of the lake, to command the main route (via Tejon Pass) between the Central Valley and Southern California. The Rancho Castac was eventually acquired by Edward Fitzgerald Beale, who founded Tejon Ranch (at one point the largest private landholding in California).

During the late 19th and early 20th centuries the lakebed was occasionally mined for salt, as it tends to evaporate after extended periods of drought. According to historical records the lake was full through most of the 1940s, and dry in the early 1950s and early 1980s. During the mid-1990s, especially after the El Niño episode in 1997, the lake filled to overflowing.

Since 2001 the lake level has been artificially maintained by Tejon Ranch via pumping of groundwater in the Castac Valley area, though dropping well water levels have caused controversy over this practice. The higher lake levels have also increased the risk of overflow and flooding in Grapevine Valley, most recently in 2005.

Water quality

Due to the local geology, Castac Lake contains naturally elevated levels of arsenic, boron, selenium, and aluminum, which concentrate during drought conditions and are flushed out in occasional floods. The lake meets most water quality objectives, but at times has an excess of coliform.

See also

References

  1. ^ "Castac Lake". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. January 19, 1981. Retrieved June 16, 2014.
  2. ^ Bulletin of the United States Geological Survey. U.S. Government Printing Office. 1896. p. 256.
  3. ^ "3.2 Water Resources". Supplemental Draft Environmental Impact Statement: Tehachapi Uplands Multiple Species Habitat Conservation Plan. U.S. Fish and Wildlife Service. January 2012.
  4. "Chumash Place Names" (PDF). Retrieved August 19, 2023.
  5. USGS Topo Maps for United States (Map). Cartography by United States Geological Survey. ACME Mapper. Retrieved June 16, 2014.
  6. California. State Earthquake Investigation Commission; Andrew Cowper Lawson; Harry Fielding Reid (1908). The California earthquake of April 18, 1906: Report of the State Earthquake Investigation Commission ... Carnegie Institution of Washington. p. 43.
  7. Julienne Lorraine Bernard (2008). An Archaeological Study of Resistance, Persistence, and Culture Change in the San Emigdio Canyon, Kern County, California. p. 39. ISBN 978-0-549-72451-3.
  8. American Anthropologist. American Anthropological Association. 1915. p. 774.
  9. Johnson, John R. (1978). "The Trail to Kashtiq". The Journal of California Anthropology. 5 (2). Santa Clara Valley History: 188–198. Retrieved June 16, 2014.
  10. Historic Spots in California, Third Edition (1966). Historic Spots in California, Third Edition. Stanford University Press. p. 126. ISBN 978-0-8047-4020-3.
  11. Stammerjohan, George. "History of Fort Tejon". Fort Tejon Historical Association. Retrieved June 16, 2014.
  12. "Ranch History". Tejon Ranch. Archived from the original on June 19, 2014. Retrieved June 16, 2014.
  13. Geological Survey (U.S.) (1917). Bulletin - United States Geological Survey. The Survey. p. 182.
  14. ^ "Response to Written Comments on Tentative Waste Discharge Requirements for Tejon Mountain Village, LLC., Tejon Mountain Village, Kern County" (PDF). Regional Water Quality Control Board, Central Valley Region. California State Water Resources Control Board. April 7, 2011. Retrieved June 16, 2014.
  15. Hedlund, Patric (August 21, 2009). "Tejon May Let Lake Go Dry". The Mountain Enterprise.
  16. Mahnke, Debra (February 28, 2011). "Comments Re: Tejon Mountain Village WDRs" (PDF). California State Water Resources Control Board. Retrieved June 16, 2014.
  17. Board decisionwaterboards.ca.gov Archived February 11, 2017, at the Wayback Machine
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