On-Line Mahomet Aquifer Data

The Illinois State Water Survey maintains on-line databases connected to interactive webmaps as part of their Water Supply Planning program. These maps show the outlines of the different aquifer in the state and the major groundwater users.

• Illinois Groundwater Resources

• Public Water Supply Reporting (through 2019)

• Illinois Center Pivot Irrigation

• Statewide Municipal Water Use and Water Purchase Interactive Map

The Illinois State Geological Survey maintains the ILWATER database that has records of water wells drilled throughout Illinois

The Illinois Environmental Protection Agency (IEPA) maintains several on-line databases and mapping tools with information related to the Mahomet Aquifer

• Source Water Assessment Program (SWAP) contains information related to the protection of community water supplies.

• Drinking Water Watch provides a description of each community water supply system and the water quality analyses from regulatory sampling.

• The Document Explorer access to the record from regulated sites commonly sought through the Freedom of Information Act (FOIA) process. These records often have information pertinent to groundwater conditions