Reconnaissance investigation of water quality, bottom sediment, and biota associated with irrigation drainage in the San Juan River area, San Juan County, northwestern New Mexico, 1990-91
Water-Resources Investigations Report
93-4065
By: P. J. Blanchard, Richard R. Roy, and T. F. O'Brien
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Abstract
Selenium concentrations larger than established standards and criteria were present in Gallegos Canyon and Ojo Amarillo Canyon drainages on the Navajo Indian Irrigation Project, a pond on the West Hammond Irrigation Project, and a drain on the Hogback Irrigation Project, New Mexico. Ground-water return flow from irrigated areas contributes substantially to surface water at these sites. Selenium concentrations in 11 surface-water samples from these four areas exceeded the State of New Mexico standard of 5 micrograms per liter for the protection of fisheries. Selenium concentrations in five bottom-sediment samples from three of these areas ranged from 4.5 to 38 micrograms per gram; the geometric mean concentration of selenium in Western United States soils is 0.23 microgram per gram.
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Reconnaissance investigation of water quality, bottom sediment, and biota associated with irrigation drainage in the San Juan River area, San Juan County, northwestern New Mexico, 1990-91 |
| Series title | Water-Resources Investigations Report |
| Series number | 93-4065 |
| DOI | 10.3133/wri934065 |
| Edition | - |
| Year Published | 1993 |
| Language | ENGLISH |
| Publisher | U.S. Geological Survey, Water Resources Division ; U.S. Geological Survey, Books and Open-File Reports [distributor], |
| Description | vii, 141 p. :ill., maps ;28 cm. |
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