USGS Illinois Water Science Center
The USGS Illinois Water Science Center provides current real time data on streamflow, ground water, water quality, and precipitation from sites throughout Illinois. The center has historical data on streamflow, ground water, water quality, and other water-related information. The center offers numerous publications, data sheets, projects, and scientific reports on a range of hydrological topics.
USGS Water Science Centers are located in each state, producing data for the 50 states, U.S. territories, and the District of Columbia.
Phone: (217) 328-8747