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About the Region 5 Underground Injection Control Program

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Schematic diagram of Class I, II, III and V underground injection wells.

This drawing is NOT to scale. Most injection wells are less than one foot in diameter and hundreds or thousands of feet deep.
See Also: Further Description of Classes.

In support of the Water Division's mission, the Underground Injection Control (UIC) Branch operates under the broad guidelines and policies of the national UIC program authorized by the Safe Drinking Water Act of 1974. The Branch has primary responsibility for preventing the contamination of underground sources of drinking water (USDWs) from the injection of fluids underground to protect the environment and public health of all people in Illinois, Indiana, Michigan, Minnesota, Ohio and Wisconsin.

Locating Class V wells (which are mostly shallow underground disposal systems) is a high priority for the UIC Program. Class V wells that pose a threat to USDWs must be closed or otherwise addressed to prevent contamination of ground water (More information).

Inventory Your Class V Well
If you have a Class V well, it is your responsibility to submit inventory information to the UIC Program Director. The Region 5 UIC Program has prepared an inventory sheet with instructions to make it simpler for well owners and operators. You may download either a WordPerfect Version 5 or Word97 version of these files or view them onscreen. (More recent versions of word processing software should have no problem reading these files saved using the older releases.)

Close Your Motor Vehicle Waste Disposal Well
Owners and operators are finding out that shallow disposal systems at their motor vehicle service or maintenance related facilities must be closed. The Region 5 UIC Program has prepared guidelines to help you with your disposal well closure.

 

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