Cheswick Generating Station

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Cheswick Generating Station has 11 groundwater monitoring wells, 4 of which have been polluted above federal advisory levels based on samples collected between February 11, 2010 and January 30, 2014. Groundwater at this site contains unsafe levels of manganese and sulfate.

Site description

NRG's Cheswick Generating Station is a 565 MW coal-fired power plant located in Springdale, Pennsylvania, on the Allegheny River. The plant began operating in 1970. Coal ash from the site is currently disposed of at a solid waste landfill, called the Lefever Landfill, and in several on-site impoundments. From 1970 to the late 1990s, the power plant disposed of ash by injecting it into the 6,500-acre Harwick Mine Complex.

For additional information about Cheswick Generating Station, see EIP's 2010 report, Dirty Kilowatts.

Monitoring Wells Wells reporting one or more exceedances for at least one pollutant.
4 / 11
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No exceedances
One or more exeedances
No data available
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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. manganese sulfate
Pollutants monitored and below guidelines
ammonia arsenic barium boron cadmium chromium copper fluoride lead mercury nitrate selenium silver
Pollutants not monitored
antimony, beryllium, cobalt, cyanide, gross alpha particle, gross beta particle, hexavalent chromium, lithium, molybdenum, nickel, nitrite, radium, strontium, thallium, tritium, uranium

Facility last updated on Thursday, March 23, 2017 03:30:54 PM EDT