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In 1916-1934 there was a drought due to lack of rainfall; this coupled with excessive water withdrawal dropped the average water level in wells in the Santa Clara Water District by 108 feet. [2] Excessive water consumption over many years has led to groundwater drops of more than 200 feet in some areas. [ 4 ]
Location: Santa Clara County, California: Coordinates: 1]: Type: Reservoir: Primary inflows: Cherry Canyon, [2] Pine Tree Canyon [3]: Primary outflows: Arroyo Calero [4]: Catchment area: 7.14 sq mi (18.5 km 2): Basin countries: United States: Managing agency: Santa Clara Valley Water District: Max. length: 2.2 miles (3.5 km): Surface area: 349 acres (141 ha): Water volume: 9,934 acre-feet ...
In the 1920s, people discovered that Santa Clara Valley was sinking because of groundwater pumping. San Jose's elevation subsided 13 feet from 1910 to 1970s, correlated with a 250 feet decline in the underground water table. [7] [8] The valley's aquifers were also in danger of being ruined by saltwater infiltration. Local reservoirs were built ...
Location: Santa Clara County, California: Coordinates: 1]: Type: Reservoir: Primary inflows: Coyote Creek [2]: Primary outflows: Coyote Creek [2]: Catchment area: 194.4 sq mi (503 km 2): Basin countries: United States: Managing agency: Santa Clara Valley Water District: Max. length: 41,184 ft (12,553 m): Max. width: 3,840 ft (1,170 m): Surface area: 1,271 acres (5.14 km 2): Water volume ...
Updated findings from an ongoing study of Anderson Dam were released in October, 2010, indicated that the dam could fail if a magnitude 7.25 earthquake occurred within 2 kilometers of the dam, potentially releasing a wall of water 35 feet (11 m) high into downtown Morgan Hill in 14 minutes, and 8 feet (2.4 m) deep into San Jose within three ...
It is the second largest reservoir owned by the Santa Clara Valley Water District. [2] A 4,595-acre county park ("Coyote-Bear") surrounds the reservoir, [3] and provides camping (RVs and tents), fishing [4] ("catch-and-release"), picnicking, and hiking activities. Swimming is not allowed by order of the Santa Clara Valley Water District. [5]
The construction of salt evaporation ponds in the 1930s rerouted the river, cutting off tidal action. Later, in the 1960s, as Alviso was being annexed into San Jose, the Army Corps of Engineers and the water district straightened the river to improve flood safety, which inadvertently increased sedimentation into Alviso Slough.
The earliest known inhabitants on the Santa Clara Valley are the Ohlone people, who had eight distinct languages and tribes in the coastal region. [13] [14] Mission Santa Clara de Asís, which had control over a vast tract of land stretching from Palo Alto to Gilroy, was founded by Franciscans in 1777. [14]