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Water Supply

USGS Drought Watch
Maps of hydrologic drought and streamflow in real time, daily, 7-day, 14-day, and 28-day levels as well as comparisons to historical streamflow.
GRACE-based Surface Soil Moisture Drought Indicator
NASA scientists generate groundwater and soil moisture drought indicators each week, based on terrestrial water storage observations derived from satellite data and integrated with other observations.
The U.S. Environmental Protection Agency offers a ways to use less water with water-efficient products, new homes, and services through tip sheets, product labeling, educational materials and more.
Resources for Water Quality, Conservation, Drought, Irrigation
List of publications and resources from the National Sustainable Agriculture Information Service. Topics range from drought-resistant soil to choosing water-use-efficient crops and more.
Water Quality Specialists
The NRCS National Technology Support Centers staff a team of technical specialists in every aspect of freshwater quality and quantity. Direct access to professionals in many specific areas of concern is available.
USGS National Water Information System
The USGS National Water Information System (NWIS) contains surface-water, groundwater, water-quality, and water-use data collected at approximately 1.5 million sites across all 50 states.
USGS WaterWatch
Map of real-time streamflow compared to historical streamflow for the day of the year for the United States.
Sample of USGS Groundwater Watch
The USGS Groundwater Watch site groups related wells and data from active well networks and provides basic statistics about the water-level data collected by USGS water science centers.
MRCC Evapotranspiration & Water Balance Maps
Evapotranspiration and water balance maps are available for the contiguous United States, available from the Midwestern Regional Climate Center.