Merrimack Generating Station has 5 groundwater monitoring wells, 0 of which have been polluted above federal advisory levels based on samples collected between February 23, 2016 and November 15, 2019. Groundwater at this site contains unsafe levels of No exceedances.Site description
Granite Shore Power’s Merrimack Generating Station is in Merrimack County, near the Merrimack River. The plant has two coal-fired units, built in 1960 and 1968 respectively, and two kerosene-fueled units, with a total capacity of 482 MW. The Station primarily operates during peak demand, especially during winter months. The adjacent Coal Ash Landfill began operating in 1978. The 5.5-acre landfill is regulated under the CCR rule.