THE WOODSTOCK MUNICIPAL LANDFILL SITE (THE SITE) IS LOCATED ON THE SOUTH SIDE OF THE CITY OF WOODSTOCK (THE CITY), MCHENRY COUNTY, ILLINOIS, A MUNCIPALITY WITH A POPULATION OF APPROXIMATELY 16, 179 RESIDENTS. THE SITE IS LOCATED SOUTH OF DAVIS ROAD, SOUTHWEST OF THE INTERSECTION OF U.S. ROUTE 14 AND ILLINOIS ROUTE 47 AND IS SHOWN ON FIGURE 1. THE COORDINATES FOR THE SITE ARE NORTHEAST QUARTER OF SECITON 17 TOWNSHIP 44 NORTH, RANGE 7 EAST (NE 1/4, SE 17, T44N, R7E). THE LAND SURROUNDING THE SITE IS A MIXTURE OF RESIDENTIAL, AGRICULTURAL, WETLANDS, COMMERCIAL, AND LIGHT AGRICULTURAL. LAND USE WEST OF THE SITE IS SEMI-ARGRICULTURAL WITH MUCH OF THE LAND CURRENTLY CLASSIFIED AS A WETLAND. WETLANDS ARE ALSO LOCATED ADJACENT TO THE SITE ON THE EAST. THE KISHWAU- KEE RIVER RUNS ALONG THE SOUTHWESTERN PERIMETER OF THE SITE. THE CITY'S WASTEWATER TREATMENT PLANT AND ADDITIONAL WET- LANDS ARE LOCATED SOUTH OF THE SITE. THE LANDFILL HAD A NUMBER OF DIFFERENT OWNERS BETWEEN 1935 WHEN IT WAS FIRST USED AS A TRASH DUMP AND OPEN BURINING AREA, AND WHEN IT WAS COVERED AND CLASSIFIED AS CLOSED BY THE ILLINOIS ENVIRONMENTAL PROTECTION AGENCY (IEPA) IN OCTOBER 1980. THE CURRENT OWNER OF THE LANDFILL PROPERTY IS THE CITY. BETWEEN APPROXIMATELY 1940 AND 1958, WILLIAM GAULKE OPERATED THE SITE AS A LOCAL TRASH DUMP AND OPEN BURNING AREA. BEGINNING IN 1958, THE SITE WAS USED BY THE CITY UNDER A LEASE AGREEMENT WITH MR