Annual Water Data Report


WATER DATA FOR THE NATION

National Water Information System (NWIS)

View current and historical streamflow, groundwater level, and water-quality data

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WATER SCIENCE SPECIALTIES

WATER SCIENCE BY STATE

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Annual Water Data Reports

Water resources data are published annually for use by engineers, scientists, managers, educators, and the general public. These archival products supplement direct access to current and historical water data provided by the National Water Information System (NWIS). Beginning with Water Year 2006, annual water data reports are available as individual electronic Site Data Sheets for the entire Nation for retrieval, download, and localized printing on demand. National distribution includes tabular and map interfaces for search, query, display and download of data. From 1962 until 2005, reports were published by State as paper documents, although most reports since the mid-1990s are also available in electronic form through this web page. Reports prior to Water Year 1961 were published in occasional USGS Water-Supply Papers and other reports.

   Water Year (2006 to present): 

   Water Years prior to 2006



Visit the Water-Data Report Mapper — A map-based tool for locating hydrologic data

Documentation — Introductory material: Details and explanations regarding site numbering, data reported, and accuracy of data

Related information and publications — Related links to USGS data, methods (TWRIs), special programs and networks, and past annual data reports


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