Michigan City Generating Station

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Michigan City Generating Station has 14 groundwater monitoring wells, 14 of which have been polluted above federal advisory levels based on samples collected between July 18, 2016 and October 23, 2019. Groundwater at this site contains unsafe levels of arsenic, molybdenum, thallium, lithium, sulfate, boron, selenium, cobalt, fluoride and radium.

Site description

Michigan City Generating Station is a coal-fired plant located near Lake Michigan in Michigan City, Indiana and is owned by Northern Indiana Public Service Company. Opened in 1974, the station operates one generating unit with a total capacity of 540-MW. The Boiler Slag Pond is an approximately 2.5-acre unlined impoundment dewatering area regulated under the CCR rule. The Michigan City Generating Station is among EPA’s list of potential damage cases – indicating 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 about the Michigan City Generating Station, see EIP's 2019 National Coal Ash Report.

Monitoring Wells Wells reporting one or more exceedances for at least one pollutant.
14 / 14
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 lithium molybdenum radium selenium sulfate thallium
Pollutants monitored and below guidelines
antimony barium beryllium cadmium chromium lead mercury
Pollutants not monitored
ammonia, copper, cyanide, gross alpha particle, gross beta particle, hexavalent chromium, manganese, nickel, nitrate, nitrite, silver, strontium, tritium, uranium

Facility last updated on Thursday, January 19, 2023 02:09:08 PM EST