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Public Works Memorandum <br /> NO. 2010-42 <br /> DATE: July 22, 2010 <br /> TO: Honorable Mayor McElroy and City Council <br /> FROM: Ryan P. McCrady, City Manager <br /> Richard G. Marley, P.E., Director of Public Works <br /> SUBJECT: Ground Water Ordinance for the Nims Hardwick Union 76 Site Located at <br /> 266 West Main Street <br /> SUMMARY RECOMMENDATION: <br /> It is recommended by staff that the City Council approve the attached Ground Water Ordinance <br /> prohibiting the use of groundwater as a potable water supply for the area potentially affected by <br /> contaminated discharges from the Nims Hardwick Union 76 site located at 266 West Main <br /> Street. <br /> BACKGROUND: <br /> Prior Council Action: <br /> There have been no prior Council actions regarding ground water contamination emanating from <br /> the Nims Hardwick Union 76 site. <br /> Prior Council Action on Ground Water Ordinances: <br /> Since 2002, the City Council has authorized 14 ground water ordinances at various locations in <br /> the City. <br /> Ground Water Ordinance: <br /> City staff was contacted by representatives of the Nims Hardwick Union 76 site located at 266 <br /> West Main Street regarding their remediation efforts resulting from leaking underground storage <br /> tanks on the property. A Ground Water Ordinance is a tool used by the Illinois Environmental <br /> Protection Agency(IEPA) to remediate properties where soil and ground water under the site <br /> have been contaminated by leaking underground storage tanks. The ordinance prohibits the use <br /> of groundwater as a potable water supply within the area identified on Exhibit A(attached to the <br /> ordinance) as having the maximum potential for ground water contamination from gasoline <br /> released from the various sites. <br /> The major benefit of a ground water ordinance is that it will serve to keep contaminated water <br /> isolated underground and not allow it to be used for human consumption. Ground water use <br /> prohibition areas within the City are generally served by the City's public water supply so the <br /> prohibition should not create a hardship on area residents or businesses. <br /> Page I 1 <br />