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United States Environmental Protection Agency
Waste Site Cleanup & Reuse in New England
  Serving Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont & 9 Tribal Nations
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 Site Type: Long Term/National Priorities List (NPL) Click to see more about Site Type and how it is used?


Map this site in Cleanups in My Community
 Lyndonville,  Vermont
 Caledonia County
 Street Address: Lily Pond Road
 Zip Code: 05849

 EPA ID #: VTD981062441
 Site ID #: 0101491
 Site Aliases:

 Site Responsibility: Federal, Potentially Responsible Parties

 Proposed Date 06/24/1988
 Final Date 02/21/1990

Site Description
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The Parker Sanitary Landfill is a 25-acre site that operated as a solid waste landfill from 1972 until 1992. Before 1983, approximately 1 million gallons of liquid wastes and 760 tons of solid or semi-solid wastes including metal plating wash waters, waste oils, electroplating sludges, paint sludges, chlorinated solvent sludges, caustic cleaners, and metallic salts were disposed of in at least three areas of the landfill. Liquid and sludge wastes were poured directly onto the ground or into unlined pits and lagoons. During a site inspection in 1984, the State detected contaminants in a stream bordering the landfill, in groundwater at the landfill, and in four private wells located near the landfill. The site is located in a residential area, and an estimated 3,200 people obtain drinking water from a municipal well field approximately 2 miles from the landfill; 124 private wells are located within 3 miles. The stream flows into the Passumpsic River, which is used for recreational activities.

Threats and Contaminants
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Groundwater, stream surface waters, and soil are contaminated with volatile organic compounds (VOCs), including trichloroethylene (TCE). There are no current unacceptable exposures to contamination at the Site.

Cleanup Approach
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This site is being addressed in two stages: initial actions and a long-term remedial phase focusing on cleanup of the entire site.

Response Action Status
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Initial Action Residences with contaminated wells were hooked up to the local public water supply.

Entire Site Parties potentially responsible for site contamination (PRPs) completed a study of the nature and extent of contamination at the site in early 1995. The EPA then selected a remedy for the site that includes capping the landfill, including the industrial waste areas, capturing the groundwater plume at the site boundary, and allowing for the natural restoration of the downgradient aquifer. One of the Potentially Responsible Parties performed the landfill cap design under EPA oversight from 1996 -1999. A legal agreement (called a consent decree) for the implementation of the capping of the landfill and industrial waste areas was finalized in 1999. The consent decree also included a cash out de minimis settlement for a number of small parties. Under a separate Administrative Order, one PRP continues to perform a long-term groundwater treatment and monitoring program to reduce VOC concentrations in the groundwater. Construction of this groundwater treatment system was completed in September of 2005.

Landfill Cap In 2000, the landfill cap over the solid waste and industrial waste areas was completed. The landfill gas extraction and treatment system was also installed. The cap has a vegetative cover and the landfill gas system is currently operating to collect and treat landfill gas. A new wetland area was also created in 2000 to compensate for the destruction of wetlands during construction.

Groundwater Cleanup To assess the impact of the completed cap on groundwater conditions at the site, groundwater samples are currently being collected and analyzed from existing monitoring wells. This data was utilized to assess vertical and horizontal groundwater flow and the transport of contaminants through the groundwater, and was used as the basis for the design of groundwater treatment at the site. Construction of the groundwater treatment remedy to reduce the concentrations of VOCs includes a Permeable Reactive Barrier at the source area and a bio-enhanced natural attenuation system in the downgradient area. Construction of this remedy was completed in 2005 and continues to operate effectively. Creation of additional wetlands at the site was also completed in 2005. Additional follow up wetlands work was completed in 2006. Long-term groundwater monitoring to evaluate the effectiveness of the remedy is currently underway.
Currently no residences are adversely affected by contaminated groundwater at the site. Water lines have been extended to all potentially affected homes in the vicinity of the site, and institutional controls to further ensure that groundwater in the area will not be utilized for public consumption have been put in place.

Environmental Progress
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Connecting nearby residents to public water at the Parker Sanitary Landfill site has reduced threats to public health while cleanup activities continue. Construction of the landfill cap has reduced exposure to hazardous substances in the soil. A Consent Decree was accepted by the court in April 1999. The Consent Decree allowed construction of the landfill cap to begin in June 1999. The landfill gas collection & extraction system was completed in January 2000 and has been operational since February 2000. The groundwater treatment systems have been operating since 2005 and will continue with close oversight by EPA and the VT DEC until the cleanup goals have been attained. Long-term monitoring of the cap and groundwater conditions will also continue until the cleanup goals have been achieved.

Current Site Status
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Site groundwater continues to be both treated and analyzed to reduce contaminant concentrations and to evaluate groundwater conditions. The site is being reviewed every five years to ensure that the remedy is protective of human health and the environment. The most recent third five-year review report, dated September 24, 2014, reports that the site currently is protective of human health and the environment. However, additional investigatory activities are currently planned to address recent data which shows that additional migration of site contaminants in the groundwater may be occurring.

Site Photos
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SDMS 458376

Links to Other Site Information
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Disclaimer Instructions about PDF

Newsletters & Press Releases:
Press Releases about this project  

Federal Register Notices:
Final NPL Listing  

Administrative Records:
Administrative Record Index, OU 01 Record of Decision (ROD), April 4, 1995 (1,395 KB)  
Administrative Record, OU01 Explanation of Significant Differences Administrative Record, July 21, 2004   

Reports and Studies:
Remedial Investigation Report Volumes 1 through 10, May 02, 1994 (Opening file is 22.30 MB with links to additional PDF files)   
Feasibility Study Volumes 1 and 2, June 1, 1994 (Opening file is 14.03 MB with links to additional PDF files)  
Alternative Technology Analysis and Evaluation, July 15, 2004 (opening file, 536 KB)  
Draft 2003 Long-Term Monitoring Report, January 16, 2004 (opening file, 2,806 KB)  
Five Year Review Report, September 30, 2004 (3,546KB)  
Preliminary Closeout Report (PCOR), September 30, 2005 (1.3 KB)  
Institutional Controls, March 19, 2007 (12.44 MB)  
Second Five Year Review Report, September 30, 2009, (5.74 MB)  
Third Five Year Review Report, September 24, 2014 (18.8 MB)  

Decision Documents:
View Records of Decision (RODS) on-line (EPA HQ)  
Explanation of Significant Differences, July 21, 2004 (1,478KB)  
Interim Remedial Action Report, September 2006 (2.4 MB)   
Institutional Controls at this Site  

Other Links:
NPL Site Narrative at Listing:  
Site Progress Profile  

Site Repositories
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Cobleigh Public Library, 70 Depot Street, Lyndonville, VT 05851
Lyndonville State College Library, Lyndonville, VT 05851

OSRR Records and Information Center, 1st Floor, 5 Post Office Square, Suite 100 (HSC), Boston, MA 02109-3912 (617) 918-1440

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EPA Remedial Project Manager: Leslie McVickar
Address: US Environmental Protection Agency
5 Post Office Sq., Suite 100
Mail Code OSRR07-4
Boston, MA 02109-3912
Phone #: 617-918-1374
E-Mail Address: mcvickar.leslie@epa.gov

EPA Community Involvement Coordinator: Emily Bender
Address: US Environmental Protection Agency
5 Post Office Sq., Suite 100
Mail Code ORA01-1
Boston, MA 02109-3912
Phone #: 617-918-1037
E-Mail Address: bender.emily@epa.gov

State Agency Contact: John Schmeltzer
Address: VT Dept. Environmental Conservation
One National Life Drive
Davis One
Montpelier, VT 05602-3704
Phone #: 802-249-5620
E-Mail Address: john.schmeltzer@state.vt.us


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Last updated on Wednesday, November 4th, 2015
URL: http://www.epa.gov/region1/superfund/sites/parker


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