Water resources and geology of the Los Coyotes Indian Reservation and vicinity, San Diego County, California
Open-File Report
80-960
By: A.P. Ballog Jr. and W. R. Moyle Jr.
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Abstract
The water resources of the Los Coyotes Indian Reservation, San Diego County, Calif., are sufficient to supply the limited domestic and stock-water needs of the present residents of the reservation. Surface-water runoff is derived from direct precipitation on the area and from intermittent spring flow. Groundwater occurs in the alluvial deposits and in the consolidated rocks where they are highly fractured or deeply weathered. The best potential for groundwater development on the reservation is in the small alluvial basins in the San Ysidro and San Ignacio areas. Most water on the reservation is good to excellent in chemical quality for domestic, stock, and irrigation use. Water from two wells (and one spring), however, exceeds the primary drinking-water standard for nitrate plus nitrate. (USGS)
Suggested Citation
Ballog, A., Moyle, W.R., 1980, Water resources and geology of the Los Coyotes Indian Reservation and vicinity, San Diego County, California (WRI/OFR): U.S. Geological Survey Open-File Report 80-960, iv, 29 p. ill., maps ;28 cm., https://doi.org/10.3133/ofr80960.
ISSN: 2331-1258 (online)
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Water resources and geology of the Los Coyotes Indian Reservation and vicinity, San Diego County, California |
| Series title | Open-File Report |
| Series number | 80-960 |
| DOI | 10.3133/ofr80960 |
| Edition | WRI/OFR |
| Year Published | 1980 |
| Language | ENGLISH |
| Publisher | U.S. Geological Survey, |
| Description | iv, 29 p. ill., maps ;28 cm. |