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Lake Chabot

Man-made lake in California, United States

Field	Value
name	Lake Chabot
image	lakechabot.jpg
location	Alameda County, California, United States
coords
type	Reservoir
inflow	San Leandro Creek
outflow	San Leandro Creek
basin_countries	United States
area	315 acre
elevation	243 ft
islands	1
cities	Oakland, California
pushpin_map	California#San Francisco Bay Area#USA
pushpin_map_alt	Location of Lake Chabot in California, USA.
reference

| max-depth = Lake Chabot () is a man-made lake covering 317 acre in Alameda County, California, United States. Part of the lake lies within Oakland city limits, but most of it lies in unincorporated Castro Valley, just east of San Leandro. It was formed by the damming of San Leandro Creek. The lake was completed in 1875 to serve as a primary source of water for the East Bay.

The California Office of Environmental Health Hazard Assessment (OEHHA) has developed a safe eating advisory for Lake Chabot based on levels of mercury found in fish caught here.

History

The Lake Chabot dam was built in 1874–1875 as a primary source for water in the East Bay. At that time, the dam and reservoir were known simply as the San Leandro Reservoir. It was renamed Lower San Leandro Reservoir when another dam was built on the same creek upstream of the original lake, creating Upper San Leandro Reservoir. Chabot Dam was designated as a California Historic Civil Engineering Landmark by the American Society of Civil Engineers in 1976.

Description

Lake Chabot was closed to recreation for 91 years. Legislation passed in the 1960s opened the lake for controlled recreation uses. Currently, the lake serves as a standby emergency water supply. For this reason, visitors are asked to observe certain necessary regulations to keep the waters pure. There are also blooms of toxic blue-green algae in the lake during the summer and fall that make contact with the water dangerous.

Anthony Chabot Regional Park and Lake Chabot Regional Park offer a number of activities including family and group camping, hiking, equestrian trails, bicycle trails, nature study, picnicking, golf, fishing, boat rental, a marina, a restaurant and boat tours of the lake.

Impact

Aside from sedimentation caused by normal earth-fill dam construction, much of the dam's clay core and soil overburden were washed away in a storm during construction in 1874, resulting in the formation of Arrowhead Marsh in San Leandro Bay, at the mouth of San Leandro Creek near the Oakland International Airport. Coastal surveys show the marsh appearing sometime between 1855 and 1895, though logging of the San Antonio Forest may have also played a role.

Today, Arrowhead Marsh is one of the last remaining wetlands in the East Bay, and part of Martin Luther King Jr. Regional Shoreline, while nearly all of the surrounding historic marsh has been covered with industrial development.

References

{{gnis. 220870. Lake Chabot
(2 August 2017). "Lake Chabot".
Admin, OEHHA. (2014-12-30). "Lake Chabot". OEHHA.
"Castro Valley History page 7".
[https://books.google.com/books?id=-RAtHMJMbokC&dq=Lower+San+Leandro+Reservoir&pg=PA187 Bazzell, Burr. "The San Leandro Earth Dam of the Oakland Water Works." In ''Engineering News and American Railway Journal''. Vol. 48. September 11, 1902. p. 187.] Available on Google Books. Accessed February 17, 2017.
. ["Chabot Dam Historical Marker"](https://www.hmdb.org/m.asp?m=71714).
(16 September 2023). "Lake Chabot Regional Park".
Christopher Richard. "Arrowhead Marsh & Lake Chabot". Oakland Museum.

Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

reservoirs-in-alameda-county,-california tourist-attractions-in-alameda-county,-california reservoirs-in-california reservoirs-in-northern-california

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