Water-Quality Assessment of the San Joaquin-Tulare Basins: Entering a new decade
Fact Sheet
2004-3012
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Abstract
In 1991, the National Water-Quality Assessment (NAWQA) Program of the U.S. Geological Survey began to address the need for consistent and scientifically sound information for managing the Nation's water resources. The long-term goals of this program are to assess the status of the quality of freshwater streams and aquifers, to describe trends or changes in water quality over time, and to provide a sound understanding of the natural and human factors that affect the quality of these resources (Hirsch and others, 1988). Investigations are being conducted within major river basins and aquifer systems, or 'study units,' throughout the Nation to provide a framework for national and regional water-quality assessments.
In 2001, the NAWQA Program began its second decade of intensive water-quality assessments. Forty-two of the original 59 study units (reduced by elimination or combination) are being revisited (Gilliom and others, 2001). The San Joaquin-Tulare Basins study unit (fig. 1), located in central California, was a part of the first decadal cycle of the Program investigations and remains in the second cycle.
Study Area
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Water-Quality Assessment of the San Joaquin-Tulare Basins: Entering a new decade |
| Series title | Fact Sheet |
| Series number | 2004-3012 |
| DOI | 10.3133/fs20043012 |
| Year Published | 2004 |
| Language | English |
| Publisher | U.S. Geological Survey |
| Description | 6 p. |
| Country | United States |
| State | California |
| Other Geospatial | San Joaquin-Tulare Basins |
| Google Analytic Metrics | Metrics page |