California Water-Quality Assessment [ More info] Results of activities in California conducted under the National Water-Quality Assessment Program (NAWQA): maps, publications and data.
California's Central Valley Groundwater Study: A Powerful New Tool to Assess Water Resources in California's Central Valley [ More info] Modeling effort that integrates a wide variety of geographic, hydrologic, agricultural, climatic, and biological information to help local land managers address resource use issues.
California's BAY-DELTA: USGS Science Supports Decision Making [ More info] What causes changes in the hydrology, the ecology and the water quality of the Sacramento-San Joaquin River Delta and the San Francisco Bay estuary? These studies help state and local agencies manage resources well.
Alphabetical Index of Topics
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