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Dorney Road Landfill

Dorney Road Landfill is a 27-acre (11 ha) municipal and industrial landfill in Upper Macungie Township and Longswamp Township, Pennsylvania that was polluted with toxic waste from 1952 to 1978. The site is surrounded by rural residences and farmland. The U.S. Environmental Protection Agency (EPA) added the site to the Superfund National Priorities List in 1984. The site was remediated and removed from the National Priorities List in 2018.

History
The landfill began in 1952 in an old iron-ore pit by R. Emory Mabry. It was expanded to by Harold Oswald who operated the landfill from 1966 to 1979. The state inspected the landfill in 1972 and found that industrial sludge, batteries, and barrels of petroleum product had been dumped on site. The site was added to the National Priorities List in 1984. Clean-up In 1986, the U.S. Environmental Protection Agency (EPA) conducted a removal action that included regrading the landfill to prevent runoff and erosion of landfill material. In 1988, the EPA selected a remediation plan for the site which included off-site disposal of of on-site pond water, construction of a dike and diversion ditch system, installation of a multi-layer cap and gas collection system, groundwater monitoring, and restrictions on access to the site and construction near the site. In 1991, the EPA issued a second remediation plan which included the continuation of groundwater monitoring and installation of wellhead treatment units in nearby residences. In 2007, the EPA issued a revision to their original Record of Decision which deemed that controls be put in place to protect the cap over the landfill and that no groundwater wells be installed on the site. ==Current status==
Current status
The EPA continues to monitor groundwater and physically inspect the landfill cap on a quarterly basis. A five-year review report conducted in 2018 determined that the remedies in place are protective of human health and the environment. The next five-year review is scheduled to be released in 2023. ==References==
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