-
USGS Water-Quality Data for the Nation - National Water Information System (NWIS) 105 recent views
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 Virgin Islands,... -
National Hydrography Dataset (NHD) - USGS National Map Downloadable Data Collection NGDA 81 recent views
The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface... -
Watershed Boundary Dataset (WBD) - USGS National Map Downloadable Data Collection NGDA 49 recent views
The Watershed Boundary Dataset (WBD) is a comprehensive aggregated collection of hydrologic unit data consistent with the national criteria for delineation and resolution. It... -
USGS Groundwater Data for the Nation - National Water Information System (NWIS) 20 recent views
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 Virgin Islands,... -
USGS Water Use Data for the Nation - National Water Information System (NWIS) 17 recent views
The U.S. Geological Survey's National Water-Use Information Program is responsible for compiling and disseminating the nation's water-use data. The USGS works in cooperation... -
USGS Surface-Water Data for the Nation - National Water Information System (NWIS) 17 recent views
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 Virgin Islands,...