State launches website on Clinton landfill, Mahomet Aquifer

State launches website on Clinton landfill, Mahomet Aquifer

The Illinois EPA has launched a website with information on the Clinton Landfill and the Mahomet Aquifer.

The site includes inspection reports and various applications filed concerning the landfill, whose owners want to accept PCBs — an action several local governments oppose.

The website is at

Included on the site is a June report that says no PCBs — polychlorinated biphenyls — have been found in community water supplies in the state, including the Mahomet Aquifer, an underground water supply that is used by most of East Central Illinois.

"PCBs have been demonstrated to cause cancer, as well as a variety of other adverse health effects on the immune system, reproductive system, nervous system, and endocrine system," says the U.S. EPA.

Other materials on the site include a link to the U.S. EPA's procedures on the application for a permit for the landfill to accept PCBs, and information on groundwater monitoring already in place at the landfill.

Local governments and citizens' groups oppose the allowance of PCBs because the landfill is above the Mahomet Aquifer, the source of drinking water for about 750,000 people in 88 central Illinois communities, including Champaign and Urbana.

State legislators earlier this year said they had been assured the Illinois EPA was increasing its oversight of the landfill.

A consortium of 17 cities, villages and counties, plus Attorney General Lisa Madigan, is asking the Illinois Pollution Control Board to send a proposal for a chemical waste unit at the landfill back to the DeWitt County Board for review. And the federal EPA has stalled its review of an application for the landfill to accept PCBs.

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