-
Federal
USGS Surface-Water Data for the Nation - National Water Information System (NWIS) recent views
Department of the Interior —
The USGS compiles online access to water-resources data collected at approximately 1.5 million sites in all 50 States, the District of Columbia, Puerto Rico, the... -
Federal
Groundwater depletion in the United States (1900-2008) recent views
Department of the Interior —
A natural consequence of groundwater withdrawals is the removal of water from subsurface storage, but the overall rates and magnitude of groundwater depletion in the...