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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,... -
San Juan Flows - Reservoirs, River Flows, and Diversions
Reservoir data comes from the USBR. This data is retrieved daily and stored in the San Juan Flows database. All data on this site should be considered provisional unless...
