| Abstract: | The Round Valley Indian Reservation in northern California obtains most of its water from the ground-water reservoir. The ground-water reservoir is made up of continental deposits, alluvium, and stream-channel deposits ranging in age from Pliocene to Holocene. Most of the water is pumped from the alluvium. Most ground water (about 20,000 acre-feet or 25 cubic hectometers per year) is derived from stream seepage. Natural discharge (discharge to streams, evapotranspiration, and underflow) has averaged about 21,000 acre-feet per year. Pumping and flow from artesian wells has averaged about 2,750 acre-feet per year. Ground water occurs in both confined and unconfined aquifers. The ground-water reservoir is full, and about 230,000 acre-feet of water is stored in the depth interval 10-200 feet. The water is chemically and biologically suitable for domestic or irrigation use, although hardness is high for domestic use and, locally, dissolved iron is a problem. There is potential for developing additional ground-water supplies. (Woodard-USGS) |
| Genre: | USGS Numbered Series |
| ProdID: | 28786 |
| Citation Author: | Muir, K. S.; Webster, Dwight Albert |
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| Citation Language: | ENGLISH |
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| Citation Phsyical Description: | vi, 40 p. :ill., map ;27 cm. |
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| Citation Publisher: | U.S. Geological Survey, Water Resources Division, |
| Citation Series: | Water-Resources Investigations Report |
| Citation Series Code: | WRI |
| Citation Series Number: | 77-22 |
| Citation Search Results Text: | Geohydrology of part of the Round Valley Indian Reservation, Mendocino County, California; 1977; WRI; 77-22; Muir, K. S.; Webster, Dwight Albert |
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| Citation Year: | 1977 |
| Type: | citation/reference |
| Text: | Geohydrology of part of the Round Valley Indian Reservation, Mendocino County, California; 1977; WRI; 77-22; Muir, K. S.; Webster, Dwight Albert |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/usgs_thumb.jpg |
| Date Other: | Sat, 1 Jan 1994 00:00 -0600 |
| Publisher: | U.S. Geological Survey, Water Resources Division, |
