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Record of Decision System (RODS)

MID-STATE DISPOSAL, INC. LANDFILL

Abstract

Site Name:  MID-STATE DISPOSAL, INC. LANDFILL
Address:  SW1/4 SEC4 T27N R4E 
City & State:  CLEVELAND TOWNSHIP  WI  53013
County:  MARATHON
 
EPA ID:  WID980823082
EPA Region:  05
 
NPL Status:  Currently on the Final NPL
 
ROD Type:  Record of Decision
ROD ID:  EPA/ROD/R05-88/076
ROD Date:  09/30/1988
Operable Unit(s):  01
 
Media:  GROUDWATER SURFACE WATER SOIL
 
Contaminant:  METALS, VOCS, PCE, TCE
 
Abstract:  THE MID-STATE DISPOSAL (MSD) SITE IS AN ABANDONED MUNICIPAL AND INDUSTRIAL WASTE LANDFILL LOCATED IN CENTRAL WISCONSIN, IN CLEVELAND TOWNSHIP, MARATHON COUNTY, ABOUT 4 MILES NORTHEAST OF STRATFORD. THE AREA SURROUNDING THE SITE INCLUDES AN ABANDONED RAILROAD TRACK PARTIALLY BOUNDING THE WEST AND NORTH, TWO OFFSITE SLUDGE DISPOSAL LAGOONS OWNED BY WEYERHAEUSER, INC. TO THE NORTHEAST, AND PRIVATE PROPERTY TO THE SOUTH. SITE RUNOFF ENTERS NEARBY WATERWAYS INCLUDING THE ROCK CREEK AND THE EAU PLUNE RIVER VIA UNNAMED TRIBUTARIES. ADDITIONALLY, GROUND WATER FROM THE SITE IS BELIEVED TO BE DISCHARGING INTO A RAVINE 500 FEET SOUTH OF THE SITE. MSD CONDUCTED LANDFILLING OPERATIONS FROM 1970-1979, RECEIVING MUNICIPAL, INDUSTRIAL AND COMMERCIAL WASTES AS WELL AS CONSTRUCTION AND DEMOLITION DEBRIS. SPECIFIC WASTES RECEIVED INCLUDED PAPERMILL SLUDGES, ASBESTOS DUST, SOLVENTS, PESTICIDES, PAINT SLUDGES AND METALS. FOUR AREAS OF CONTAMINATION HAVE BEEN IDENTIFIED AT THE SITE. THESE ARE; A 25-ACRE LANDFILL LOCATED IN THE CENTER OF THE SITE AND REFERRED TO AS THE OLD MOUND AREA, WHICH CONTAINS MUNICIPAL WASTES, PAPERMILL SLUDGES, ASBESTOS DUST, PESTICIDES AND SOLVENTS; A 5-ACRE INTERIM EXPANSION LANDFILL LOCATED TO THE WEST OF THE OLD MOUND AREA AND REFERRED TO AS THE INTERIM EXPANSION AREA, WHICH REPORTEDLY CONTAINS WASTES SIMILAR TO THE OLD MOUND AREA WITH THE EXCEPTION OF PAPERMILL SLUDGES; A 3-ACRE SLUDGE LAGOON LOCATED NORTHWEST OF THE OLD MOUND AREA WHICH ALLEGEDLY CONTAINS PAPERMILL SLUDGES; AND AN AREA ALONG THE WESTERN EDGE OF THE PROPERTY WHERE LEACHATE PONDING HAD OCCURRED. NUMEROUS ENVIRONMENTAL PROBLEMS AND PERMIT VIOLATIONS WERE NOTED BY THE WISCONSIN DEPARTMENT OF NATURAL RESOURCES (WDNR) DURING A SITE INSPECTION IN 1974. IN 1979, WEYERHAEUSER COMPANY, A GENERATOR OF WASTE DISPOSED AT THE FACILITY, AGREED TO PROPERLY ABANDON THE FACILITY. THE POND LEACHATE WAS REMOVED, AND THE THREE WASTE DISPOSAL AREAS WERE COVERED. LEACHATE COLLECTION SYSTEMS WERE INSTALLED IN LATE 1979 FOR BOTH THE SLUDGE LAGOON AND THE INTERIM EXPANSION AREA; ONLY THE LEACHATE COLLECTED FROM THE LATTER IS CURRENTLY REMOVED AND TREATED OFFSITE. SUBSEQUENT INVESTIGATIONS REVEALED THAT GROUND WATER HAS BEEN CONTAMINATED BY LEACHATE PERCOLATING FROM THE WASTE DISPOSAL AREAS AND THE LEACHATE POND DOWN TO THE UNDERLYING AQUIFER. THE PRIMARY CONTAMINANTS OF CONCERN AFFECTING THE GROUND WATER, SURFACE WATER AND SOIL ARE VOCS INCLUDING BENZENE, PCE AND TCE, AND METALS.

THE SELECTED REMEDIAL ACTION FOR THIS SITE INCLUDES; INSTALLATION OF NEW SOIL/CLAY CAPS FOR THE LAGOON AND LANDFILLS; SITE MONITORING THAT INCLUDES GROUND WATER, SURFACE WATER, AND LANDFILL GAS MONITORING; OFFSITE GROUND WATER MONITORING; PROVISION OF AN ALTERNATE WATER SUPPLY FOR NEARBY RESIDENCES; IMPROVEMENT OF SURFACE WATER DRAINAGE; LEACHATE AND PONDED WATER COLLECTION AND OFFSITE TREATMENT; ACCESS RESTRICTIONS; INSTITUTIONAL CONTROLS TO PREVENT WELL INSTALLATION ONSITE; AND IN SITU SOLIDIFICATION/STABILIZATION OF SLUDGE AS NECESSARY FOR CAP SUPPORT, AND LANDFILL GAS FLARING, IF DEEMED NECESSARY DURING PRE-DESIGN. THE ESTIMATED PRESENT WORTH FOR THIS REMEDIAL ACTION IS $16,000,000 WITH ANNUAL O&M OF $22,000 FOR THE FIRST YEAR, AND $100,000 FOR YEARS 2-30.
 
Remedy:  THE SELECTED REMEDIAL ACTION ALTERNATIVE FOR THE MID-STATE SITE ADDRESSES THE SOURCE OF CONTAMINATION THROUGH THE INSTALLATION OF NEW LANDFILL CAPS TO PREVENT MIGRATION OF HAZARDOUS COMPOUNDS, TO REDUCE ASSOCIATED CONTAMINATED MATERIALS, AND PREVENT DIRECT HUMAN CONTACT WITH LANDFILL CONTENTS AND LAGOON WASTE. AN ALTERNATE WATER SUPPLY WILL PROTECT THOSE RESIDENTS THREATENED BY POTENTIALLY CONTAMINATED GROUNDWATER. THE MAJOR COMPONENTS OF THE SELECTED REMEDY INCLUDE;
- SITE CAPPING WITH A SOIL/CLAY CAP THAT MEETS STATE SOLID WASTE LANDFILL REQUIREMENTS WILL MINIMIZE LEACHATE GENERATION AND PREVENT DIRECT CONTACT WITH CONTAMINATED MATERIALS.
- SITE MONITORING WILL BE CONDUCTED THAT INCLUDES GROUNDWATER, SURFACE WATER, AND LANDFILL GAS MONITORING TO DETERMINE THE EFFECTIVENESS OF THE ABOVE MEASURES AND PROVIDES EARLY WARNING AS TO THE NEED FOR OTHER ACTIONS.
- ALTERNATE WATER SUPPLY TO PROTECT AGAINST POTENTIAL FUTURE INGESTION OF CONTAMINATED GROUNDWATER.
- IMPROVEMENT OF SURFACE WATER DRAINAGE.
- OFF-SITE TREATMENT OF LEACHATE.
- SITE FENCING AND SIGN POSTING FOR SECURITY.
- ON-SITE ROAD CONSTRUCTION.
- INSTITUTIONAL CONTROLS TO PREVENT WELL INSTALLATION WITHIN THE SITE BOUNDARY. THE FOLLOWING COMPONENTS WILL BE EVALUATED DURING THE PRE-DESIGN AND WILL BE INCLUDED IF REQUIRED:
- LANDFILL GAS FLARING
- SLUDGE STABILIZATION THE ACTION WILL REQUIRE OPERATION AND MAINTENANCE ACTIVITIES TO ENSURE CONTINUED EFFECTIVENESS OF THE REMEDIAL ALTERNATIVE, AS WELL AS TO ENSURE THAT THE PERFORMANCE MEETS APPLICABLE STATE AND FEDERAL SURFACE AND GROUNDWATER REQUIREMENTS. I HAVE DETERMINED THAT THE ACTION BEING TAKEN IS CONSISTENT WITH SECTION 121 OF SARA. THE STATE OF WISCONSIN HAS BEEN CONSULTED AND CONCURS WITH THE SELECTED REMEDY.
 
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