MCGAFFEY AND MAIN GROUNDWATER PLUME
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EPA and the New Mexico Environment Department (NMED) recently completed a Five-Year Review of this site in September 2017. The site is a 550‐acre groundwater plume located where several dry cleaners operated from 1956 to 1963. These operations contaminated groundwater with tetrachloroethylene (PCE) and trichloroethene (TCE). The Five‐Year Review found the groundwater plume has expanded since the 2008 Record of Decision with the leading edge expanding approximately 2,200 feet further to the southeast of the dry‐cleaning area. EPA recommended a public information campaign to notify well owners and users of well water that could potentially be impacted. Additionally, EPA recommended that private wells in and around the groundwater plume area should be sampled for the contaminants. NMED has continued to monitor the groundwater near this location and is in the process of identifying additional private wells to sample. A required element of a Five-Year Review is to determine the protectiveness of the site remedy. In this case, EPA has deferred making a protectiveness determination due to the lack of information on defining the location of the groundwater plume. EPA is collecting additional information on the groundwater plume in this area and will complete a Five-Year Review Addendum during September 2018. Please contact either Martyne Kieling, NMED at 505-827-2340 or Janet Brooks, EPA at 214-665-7598 for additional information.