Texas Water Science Center
Quick Link to NWIS data
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USGS IN YOUR STATE
USGS Water Science Centers are located in each state.
Hydrologic Information and Data for Texas
The U.S. Geological Survey currently operates about 688 data collection sites in Texas for acquiring information on surface-water, groundwater, water-quality, and precipitation. These sites are equipped with satellite telemetry, which provides real-time data via GOES satellites and downlinks, which enables the posting of data to the Web for public dissemination.