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USGS Water Data for the Nation
These pages provide access to water-resources data collected at approximately 1.9 million sites in all 50 States, the District of Columbia, Puerto Rico, the Virgin Islands,... -
OSE/ISC Real-Time Water Measurement Information System
OSE/ISC maintains a network of stream, acequia, ditch and well monitoring sites that electronically transmits data values via radio and satellite telemetry and stores the data...
