Lockwood Ash Disposal Site has 14 groundwater monitoring wells, 12 of which have been polluted above federal advisory levels based on samples collected between April 19, 1989 and November 21, 2019. Groundwater at this site contains unsafe levels of arsenic, sulfate, boron, manganese, chromium, molybdenum, cadmium, barium and thallium.
Site descriptionLockwood Ash Disposal Site is a 44.2-acre coal ash landfill associated with Greenidge Power Generating Station, a coal-fired power plant located in Yates County, New York. Greenidge was idled in 2011 but reopened in 2016 as a natural gas and biomass power plant.