New Castle Generating Station has 10 groundwater monitoring wells, 8 of which have been polluted above federal advisory levels based on samples collected between December 29, 2015 and December 29, 2017. Groundwater at this site contains unsafe levels of sulfate, arsenic, lithium, boron, cobalt, molybdenum, thallium and selenium.Site description
New Castle Plant is owned and operated by Reliant Energy near New Castle, Pennsylvania. The plant began operating in 1952 and converted to natural gas in December 2016. Reliant disposed of coal ash in the Ash Landfill and North Bottom Ash Pond, which are both regulated and monitored under the federal CCR rule. The South Ash Pond was decommissioned and cleaned prior to the federal CCR rule.
For more information about Pennsylvania coal ash, see Earthjustice's factsheet, Pennsylvania and Coal Ash Disposal in Ponds and Landfills.