Groundwater and Streamflow Information Program
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The Groundwater and Streamflow Information Program (GWSIP) serves as the national source of impartial, timely, rigorous, and relevant data for short- and long-term water decisions by stakeholders across the United States. In 2018, the USGS began piloting the Nation’s next-generation integrated water observing system that will provide high-fidelity, real-time data on water quantity and quality.
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Explore some of our most popular data, tools, and science:
News
Very large dead zone forecast for the Gulf of Mexico
NOAA's annual prediction based on USGS data
The 2019 Atlantic Hurricane Season is Here, USGS is Ready
The 2019 Atlantic hurricane season starts June 1, and the U.S. Geological Survey is prepared to provide science that can help guide efforts to protect lives and property if a major storm makes landfall this season.
Media Advisory: USGS Crews Measure Record Flooding in Oklahoma
Reporters: Do you want to Accompany USGS Scientists as they Measure Record Flooding in Oklahoma? Please Contact Heidi Koontz or Jason Lewis.
Publications
Guidelines for determining flood flow frequency—Bulletin 17C
Accurate estimates of flood frequency and magnitude are a key component of any effective nationwide flood risk management and flood damage abatement program. In addition to accuracy, methods for estimating flood risk must be uniformly and consistently applied because management of the Nation’s water and related land resources is a collaborative...
England, John F.; Cohn, Timothy A.; Faber, Beth A.; Stedinger, Jery R.; Thomas, Wilbert O.; Veilleux, Andrea G.; Kiang, Julie E.; Mason,, Robert R.
Predicting attenuation of salinized surface- and groundwater-resources from legacy energy development in the Prairie Pothole Region
Oil and gas (energy) development in the Williston Basin, which partly underlies the Prairie Pothole Region in central North America, has helped meet U.S. energy demand for decades. Historical handling and disposal practices of saline wastewater co-produced during energy development resulted in salinization of surface and groundwater at numerous...
Preston, Todd M.; Anderson, Chauncey W.; Thamke, Joanna N.; Hossack, Blake R.; Skalak, Katherine; Cozzarelli, Isabelle M. Characterizing groundwater/surface-water interaction using hydrograph-separation techniques and groundwater-level data throughout the Mississippi Delta, USA
The Mississippi Delta, located in northwest Mississippi, is an area dense with industrial-level agriculture sustained by groundwater-dependent irrigation supplied by the Mississippi River Valley Alluvial aquifer (alluvial aquifer). The Delta provides agricultural commodities across the United States and around the world. Observed declines in...
Killian, Courtney; Asquith, William H.; Barlow, Jeannie R. B.; Bent, Gardner C.; Kress, Wade H.; Barlow, Paul M.; Schmitz, Darrel W.