Superfund Site Profile
The 8-acre Arkla Terra Property site is located in Thonotosassa, Florida. It includes an area where companies operated an underground storage tank refurbishment facility from 1976 to 2006. EPA placed the site on the Superfund program’s National Priorities List (NPL) in 2009 because of contaminated groundwater and soil resulting from facility operations. Groundwater contamination has affected private water wells. EPA, the Florida Department of Environmental Protection (FDEP), and the Hillsborough County Health Department have investigated site conditions and taken steps to clean up the site in order to protect people and the environment from contamination. Hillsborough County has connected properties with contaminated wells to the public water system.
EPA continues to sample private drinking water wells on and around the site regularly. In February 2013, EPA completed thermal treatment of tetrachloroethylene (PCE)-contaminated soils. The contaminated soils were the source of on-site and off- site groundwater. EPA is also continuing site investigations to evaluate the need for more cleanup activities. Through monitoring, investigations and ongoing cleanup actions. EPA, FDEP and Hillsborough County continue to protect people and the environment from site contamination.
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