Water Resources Data of the United States (USGS)

Access to water-resources data collected at approximately 1.5 million sites in all 50 states, the District of Columbia, and Puerto Rico. Topics include: Real-Time; Site Information; Surface Water; Ground Water; and Water Quality (includes temperature, specific conductance, pH, nutrients, pesticides, and volatile organic compounds). Current and historical data.

Type of Information: 
Data and Statistics