The Mahomet Aquifer is the primary source of water for the greater population of East-Central Illinois, also aiding power generation and agriculture.
The University of Illinois’ Prairie Research Institute (PRI) is an interdisciplinary research organization that provides objective scientific expertise, data, and applied research which contributes to decision-making and yields solutions for government, industry, and the people of Illinois.
Select reports in chronological order
- Groundwater Resources of the Buried Mahomet Bedrock Valley byPublication Date: 1969Illinois State Water Survey Report of Investigation no. 62
Describes the deep and middle aquifer, the geology and hydrology, hydraulic properties, and aquifer recharge for the area. Also discusses well construction and water levels, withdrawals, and water quality. - The Sankoty-Mahomet Aquifer in the Confluence Area of the Mackinaw and Mahomet Bedrock Valleys, Central Illinois byPublication Date: 1994ISGS and ISWS Cooperative Resources Report no. 16
Ground-water quality in the Mahomet aquifer, McLean, Logan and Tazewell counties by Publication Date: February, 1995Illinois State Water Survey Contract Report no. 579Mapping the Mahomet Sand and other aquifers of De Witt and Piatt Counties by
Publication Date: 1996Illinois State Geological Survey, Open File Series 1996-9
The Mahomet aquifer : recent advances in our knowledge by Publication Date: 2004Illinois State Geological Survey Open File Series 2004-16
Arsenic Geochemistry and Distribution in the Mahomet Aquifer, Illinois by Publication Date: May, 2004Waste Management and Research Center: A Division of the Illinois Department of Natural Resources
Fate of Arsenic in the Mahomet Aquifer: Influence of Added Sulfate and Nitrate by Publication Date: January, 2009Midwest Technology Assistance Center (MTAC) Publication TR08-06ISWS Contract Report 2009-01
EPA Designates Mahomet Aquifer as "Sole Source" of Drinking Water in East-Central Illinois by Publication Date: March 11, 2015EPA: For Immediate Release No. 15-OPA126- Sole Source Aquifer Designation of the Mahomet Aquifer System in East-Central Illinois by Publication Date: March 19, 2015Federal Register / Vol. 80, No. 53
- Mahomet Aquifer Responsiveness Summary by Publication Date: March, 2015Public Participation Process: Sole Source Aquifer Petition for the Mahomet Aquifer System in East-Central Illinois
- Mahomet Aquifer Support Document with Errata Sheet by Publication Date: March, 2015
Application of hydrogeology and groundwater-age estimates to assess the travel time of groundwater at the site of a landfill to the Mahomet Aquifer, near Clinton, Illinois by Publication Date: 2016USGS Scientific Investigations Report 2015-5159
An Introductory Guide to the Mahomet Aquifer and Natural Gas Storage in East-Central Illinois by Publication Date: February 2018Prairie Research Institute
Mahomet Aquifer Protection Task Force: Findings and Recommendations by Publication Date: December 21, 2018Final report of the Task Force created by Public Act 100-0403 to address the issue of maintaining the clean drinking water of the Mahomet Aquifer.
The Future of Science of the Mahomet Aquifer by Publication Date: 2018Illinois State Geological Survey- Prairie Research Institute
Water Quality in the Mahomet Aquifer: Chemical Indicators of Brine Migration and Mixing by Publication Date: 2020Prairie Research Institute, Special Report no. 7
Public Act 102-0381 by Publication Date: 8/13/2021
