USGS Water Data Discovery
What are you looking for?
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Water NowWaterNow@usgs.gov WaterAlert Real-time streamflow Real-time flood data
Real-time drought data Real-time groundwater levels
Recent groundwater levels Groundwater response to climate Real-time surface water quality Recreation General recreation information can be found at www.recreation.gov Private organizations such as American Whitewater provide alternative resources that use USGS and other information for planning water-based activities. |
Water ThenAnnual water data reports Instantaneous streamflow data National Water Quality Assessment
BioData - Aquatic Bioassessment Data for the Nation Water use in the United States
Some notable collections of USGS water data Sediment data collected by USGS is stored in NWIS and is also described in a dedicated web page and report. A Reservoir Sedimentation Database from federal agencies is also maintained by USGS. The Hydro-Climatic Data Network 2009 (HCDN-2009) is an updated listing of streamgaging stations where discharge primarily reflects prevailing meteorological conditions. The purpose of the network is to provide a streamflow data set suitable for analyzing hydrologic variations and trends in a climatic context. The National Stream Quality Accounting Network provides ongoing characterization of the concentrations and transport of sediment and chemicals in the Nation's largest rivers. USGS is the lead federal agency for monitoring of acid rain and related issues as part of the National Atmospheric Deposition Program. The groundwater Atlas and National Atlas provide many maps that summarize water resources data and related information. |
Water TomorrowUSGS collects most of the water data in the Nation, but official forecasts are made by other agencies. Forecasts are subject to any limitations and disclaimers made by the issuing agencies. In all cases, professionals should always be consulted concerning decisions that may affect safety of people or property or economic risk. ForecastsWater-resources planning and forecasts are done by other federal, regional, state, local, and tribal agencies. In most cases, USGS partners with these agencies to provide reliable current and historical water data that are essential for making accurate forecasts. These links leave the USGS web sites.
StatisticsUSGS water data and statistics are used by other agencies to estimate future conditions and to assess risks such as flooding and drought. Planners and engineers use USGS water data, statistics, and other data for design of systems for water supply, flood control, environmental protection, and recreation.
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