Dolet Hills Power Station

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Dolet Hills Power Station has 45 groundwater monitoring wells, 29 of which have been polluted above federal advisory levels based on samples collected between June 24, 2010 and October 05, 2017. Groundwater at this site contains unsafe levels of lithium, sulfate, nickel, cobalt, boron, molybdenum, arsenic, radium, lead, selenium and fluoride.

Site description

Cleco Corporation's Dolet Hills Power Station is located near Mansfield, Louisiana. The station opened in 1986 and has the total capacity of 650 MW. It operates several waste disposal areas including Ash Basin No.2, Ash Basin No.1, Landfill Surface Impoundment and Fly Ash/Scrubber Sludge Landfill. All areas except for the Landfill Surface Impoundment is regulated under the CCR rule. The Dolet Hill Power Station is listed among the U.S. EPA's potential damage cases, indicating that it has polluted groundwater or surface water at levels which threaten human health and the environment. You can find the industry-reported data here. For more information on the Dolet Hill Power Station, see EIP’s 2019 National Coal Ash Report.

Monitoring Wells Wells reporting one or more exceedances for at least one pollutant.
29 / 45
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. arsenic boron cobalt fluoride lead lithium molybdenum nickel radium selenium sulfate
Pollutants monitored and below guidelines
antimony barium beryllium cadmium chromium copper mercury thallium
Pollutants not monitored
ammonia, cyanide, gross alpha particle, gross beta particle, hexavalent chromium, manganese, nitrate, nitrite, silver, strontium, tritium, uranium

Facility last updated on Tuesday, July 16, 2019 03:39:33 PM EDT