USGS water data for the nation
This website from the United States Geological Survey (USGS) gives access to data collected at approximately 1.5 million sites in the United States. Using the National Water Information System's (NWIS) web interface, the data covers surface water, groundwater, and water quality of streams, lakes, springs and wells.
Citation“2001. USGS water data for the nation. Reston, Va : United States Geological Survey (USGS).”
Title from home page (viewed on Sept. 1, 2011).Data are collected by the USGS.Accepting data submissions: No.