MID-STATE DISPOSAL, INC. LANDFILL Superfund Site

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The Mid-State Disposal, Inc. Landfill (Mid-State Landfill) site is located in central Wisconsin, four miles northeast of the village of Stratford, Wisconsin, in Marathon County. The Mid-State Landfill site is a 160-acre parcel of land and includes a 35-acre "Old Mound" landfill, a five-acre "Interim Expansion" area, and a three-acre sludge lagoon. Mid-State Landfill was in operation from 1970 to 1979 and accepted municipal, industrial, and commercial waste. Industrial and commercial wastes that were accepted included: paper mill sludges, asbestos dust, solvents, pesticides, paint sludges, and metals. The Weyerhauser Company, a generator of waste disposed at the facility, agreed to properly close the site in 1979. Closure actions included removal of ponded leachate and construction of covers on the three waste disposal areas. Also, leachate collection systems were installed in the sludge lagoon and interim expansion areas.

The first five-year review which occurred in fall 1999 ensured the continued effectiveness of the selected remedies. A second five-year review was completed on August 17, 2004. Among the recommendations was to sample several residential wells which are not part of the normal groundwater monitoring program to ensure these wells remain unimpacted by the site. This sampling has been completed and the results showed no impact to these residential wells. The third five-year review was completed on August 17, 2009. The review found that the cleanup continues to protect people and the environment. The next scheduled review will be in 2014. Another recommendation of the five-year review was to implement institutional controls to prohibit future excavation and well installation on-site. EPA is working on completing these institutional controls with Mid-State Disposal Inc.

www.epa.gov/R5Super/npl/wisconsin/WID980823082.htm

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(EPA ID: WID980823082)