PASCO SANITARY LANDFILL
Superfund Site Profile
The 250-acre Pasco Sanitary Landfill (PSL) is located about 1.5 miles northeast of Pasco, Washington. An open burning dump operated on site from 1958 to 1971. Sanitary landfilling began in a 40-acre unlined area in 1972, operating until it was placed under interim cover in 1992. Another portion of the site property received hazardous wastes between 1972 and 1975.The landfilling activities contaminated groundwater beneath and downgradient of the property with volatile organic compounds (VOCs). Site investigations, cleanup planning and remedy optimization are ongoing.