Arroyo Mocho
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| Arroyo Mocho | |
| stream | |
| Country | United States |
|---|---|
| State | California |
| Regions | Alameda County, Santa Clara County |
| Cities | Pleasanton, Livermore |
| Source | spring |
| - location | 18 mi (30 km) east of Milpitas |
| - elevation | 3,160 ft (963 m) |
| - coordinates | 37°27′13″N 121°31′22″W / 37.45361°N 121.52278°W [1] |
| Mouth | Arroyo de la Laguna |
| - location | Pleasanton, California |
| - elevation | 315 ft (96 m) [1] |
| - coordinates | 37°40′37″N 121°54′44″W / 37.67694°N 121.91222°W [1] |
Arroyo Mocho is a 34.7-mile-long (55.8 km)[2] stream in eastern Alameda County, California that traverses the cities of Livermore and Pleasanton.[3]
The underlying aquifer is the Mocho Subbasin, whose eastern boundary is the Tesla Fault. Some groundwater flow occurs across this fault boundary, but flows are discontinuous below a depth of 50 feet (15 m) across the Tesla Fault and south of the Arroyo Mocho channel across the Livermore Fault.[4]
[edit] See also
[edit] References
- ^ a b c U.S. Geological Survey Geographic Names Information System: Arroyo Mocho
- ^ U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map, accessed March 15, 2011
- ^ On Line Map of Arroyo Mocho Watershed
- ^ Environmental Site Screening Analysis, 2127 Railroad Avenue, Livermore, California, Earth Metrics rpt no. 7785, San Mateo, Ca., Feb., 1989
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