Lansing Generating Station

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Lansing Generating Station has 14 groundwater monitoring wells, 5 of which have been polluted above federal advisory levels based on samples collected between April 21, 2010 and October 02, 2019. Groundwater at this site contains unsafe levels of arsenic, boron, manganese, molybdenum, cobalt and sulfate.

Site description

Interstate Power and Light’s (a subsidiary of Alliant Energy) Lansing Generating Station is in Lansing, Iowa on the Mississippi River in Allamakee County. The facility was originally constructed in 1948, with four coal-fired units and a net capacity of 339-MW at its peak. Three units have since been retired, with Unit 4 the last one remaining. Unit 4 is planned for retirement by the end of 2022. The plant has two unlined ash ponds and an unlined ash landfill. The ash ponds were constructed in the 1970's, and the landfill was constructed in the mid-1980's. Groundwater beneath the site generally flows toward the west-northwest. Lansing’s Upper Ash Pond is scheduled to be closed by October 17, 2023 by a combination of CCR removal, consolidation, and in-place closure with a cap.

You can find the industry-reported data here. For more information about the Lansing Generating Station, see EIP's 2019 National Coal Ash Report.

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

Facility last updated on Friday, October 14, 2022 09:34:22 AM EDT