Conemaugh Generating Station

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Conemaugh Generating Station has 27 groundwater monitoring wells, 24 of which have been polluted above federal advisory levels based on samples collected between January 03, 2011 and October 21, 2019. Groundwater at this site contains unsafe levels of manganese, sulfate, cobalt, cadmium and radium.

Site description

Conemaugh Generating Station is a 1,763-MW coal-fired power plant located in New Florence, Pennsylvania on the Conemaugh River in Westmoreland County. The facility was first operational in 1970 and is scheduled to be retired by the end of 2028. Conemaugh Power Plant is operated by a subsidiary of NRG and is jointly owned by six companies including NRG, Duquesne Power and Light, Exelon, PPL, PSEG, and UGI. In 2011 and 2012, the operators of the plant at the time settled lawsuits with the Pennsylvania Department of Environmental Protection and environmental groups related to illegal discharges of contaminated wastewater to the Conemaugh River. The Conemaugh Ash Filter Pond and Ash Disposal Site are both regulated under the CCR rule. You can find the industry-reported data here. For more information on Conemaugh Generating Station, see EIP’s 2019 National Coal Ash Report.

Monitoring Wells Wells reporting one or more exceedances for at least one pollutant.
24 / 27
Wells not shown Locations for the following wells are unavailable:

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No exceedances
One or more exeedances
No data available
Other designation
Well "halo" size corresponds to mean concentration. Please note that some wells may not be visible on the map due to overlapping locations.
Pollutants monitored and above guidelines
Tip: Click on a contaminant to view wells that have recorded exceedances. Click again to remove the filter. cadmium cobalt manganese radium sulfate
Pollutants monitored and below guidelines
ammonia antimony arsenic barium beryllium boron chromium copper fluoride lead lithium mercury molybdenum nitrate selenium silver thallium
Pollutants not monitored
cyanide, gross alpha particle, gross beta particle, hexavalent chromium, nickel, nitrite, strontium, tritium, uranium

Facility last updated on Thursday, October 20, 2022 06:43:26 PM EDT