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Lexington County Landfill Area

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Lexington County Landfill site.

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Site Summary Profile
EPA ID: SCD980558043
Location: Cayce, Lexington County, SC
Lat/Long: 33.919580, -081.074160
Congressional District: 02
NPL Status: Proposed: 06/24/88; Final: 10/04/89
Affected Media: Ground water
Cleanup Status: Construction complete - physical cleanup activities have been completed
Human Exposure Under Control: Yes
Groundwater Migration Under Control: Yes
Sitewide Ready for Anticipated Use: No
Site Reuse/Redevelopment: In reuse – recreational and commercial land uses are located on portions of the site
Site Manager: Yvonne Jones (jones.yvonneo@epa.gov)


Current Site Status

The Lexington County Landfill Area site includes an area where Lexington County operated three landfill facilities from the 1960s to 1988. EPA placed the site on the National Priorities List (NPL) in 1989 because of contaminated soil and ground water resulting from landfill operations. EPA, the South Carolina Department of Health and Environmental Controls (SCDHEC) and Lexington County, the site’s potentially responsible party (PRP), have investigated site conditions and taken steps to clean up the site in order to protect people and the environment from contamination. Site contamination does not currently threaten people living and working near the site. A water line connects nearby businesses and residents to the public water supply. By treating water, conducting operation and maintenance activities, and undertaking Five-Year Reviews, EPA, SCDHEC and the site’s PRP continue to protect people and the environment from site contamination.

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Site Location and Background

The 160-acre site is 3.5 miles south of Columbia, in Cayce, Lexington County, South Carolina. The site includes three landfill areas: the 321 Landfill, the Old Cayce Dump and the Bray Park Road Dump. Highway 321 borders the site to the west. A commercial property, woodlands and Seaboard Coast railroad tracks border the site to the east. Highway 26 borders the site to the northeast. Forested areas and commercial businesses border the site to the south. A residential subdivision borders the site to the north. The Palmetto Wood Preserving Superfund site is located approximately one mile east of the site.

Between 1972 and 1988, Lexington County operated the 321 Landfill as a sanitary municipal landfill. Most of the material placed in the 321 Landfill consisted of sanitary domestic waste. The landfill also accepted certain types of industrial wastes, petroleum products and industrial metallic wastes. Lexington County conducted landfill closure activities at the 321 Landfill, including placement of a clay cap over the area, in 1990. During the 1960s, the Old Cayce Dump operated as a solid waste disposal facility. From the mid-1960s to 1970, the cities of Cayce and West Columbia used the Bray Park Dump for waste disposal purposes. Following disposal activities, parties covered Bray Park Dump with several feet of soil. In 1989, EPA listed the site on the NPL.

Lexington County owns the site and leases out several areas. A golf driving range operates on part of the former 321 Landfill area and a miniature golf course is located west of the driving range. The University of South Carolina’s golf practice course is also located on the former 321 Landfill area. The Bray Park baseball fields are located on the southeast portion of the site. Commercial businesses and a recycling center are also located on portions of the site.

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Threats and Contaminants

Site investigations found contamination in soil and ground water that could potentially harm people in the area. Contamination resulted from waste handling practices at the site. Contaminants of concern includevolatile organic compounds (VOCs) and metals.

The site’s PRP has cleaned up soil contamination at the site.

Ground water contamination remains within the site’s boundary. EPA does not consider ground water contamination to pose a threat because contamination has not affected private wells near the site and people use the public water supply.

EPA considered children’s health issues as part of the site’s risk assessment.

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Investigation and Cleanup Responsibility / Oversight

Lexington County, the site’s PRP, leads site investigation and cleanup activities with oversight provided by EPA and SCDHEC.

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Site Cleanup Plan

In 1994, EPA issued a cleanup plan (a Record of Decision, or ROD) for the site. The plan included the following activities:

In 1999, EPA issued a cleanup plan amendment (a ROD Amendment) to update cleanup activities for the Old Cayce Dump to include capping the landfill’s waste in place.

Summaries of site cleanup approaches are also available online in key site cleanup documents, including the ROD.

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Cleanup Progress

The site’s PRP conducted cleanup activities for the cap and ground water treatment system from 1996 to 1999. The operation of the ground water treatment system began in 1999. Since 2001, the system has treated 430 million gallons of water. The treated ground water is used for local land irrigation purposes.

The PRP began operation of the site’s landfill gas recovery system in 2001, following the capping of the landfill.

The PRP completed cleanup activities and EPA signed the Preliminary Close-out Report for the site in 2001.

The site’s second Five-Year Review, completed in 2007, found that the cleanup remains protective of human health and the environment. The Five-Year Review recommended placement of institutional controls on the site property to protect the cap and restrict the use of ground water for drinking purposes.
 
Summaries of cleanup activities are also available in Five-Year Reviews online.

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Enforcement Activities

EPA negotiated legal agreements with the site’s PRP to investigate and clean up the site. The PRP continues to fund site cleanup, monitoring and oversight activities.

The ROD and Five-Year Reviews online provide additional information on specific legal agreements for the site.

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Community Involvement

EPA has worked with the community and its state partner to develop a long-term cleanup plan for the site, reflecting the Agency’s commitment to safe, healthy communities and environmental protection. Community engagement and public outreach are core components of EPA program activities.

EPA has conducted a range of community involvement activities to solicit community input and to make sure the public remains informed about site activities throughout the cleanup process. Outreach efforts have included public notices, interviews and public meetings.

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Future Work

The ground water treatment system continues to operate on site.

The site’s PRP conducts operation and maintenance activities at the site.

EPA completed the last Five-Year Review in 2007 and plans to complete the next Five-Year Review in 2012.

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Additional Information

EPA keeps additional site documents and information in a site information repository at the location below. EPA also posts site documents, when available, on EPA’s CERCLIS Site Profile page. For documents not available on the website, please contact the Region 4 Freedom of Information Office.

Site Repository

Cayce-West Columbia Library
1500 Augusta Rd.
Columbia, SC 29171

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