Nucla Station

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Nucla Station has 5 groundwater monitoring wells, 5 of which have been polluted above federal advisory levels based on samples collected between December 13, 2016 and October 29, 2019. Groundwater at this site contains unsafe levels of lithium, sulfate, arsenic, molybdenum, radium and fluoride.

Site description

Nucla Station was a 100-MW facility built in 1959, owned and operated by Tri-State Generation and Transmission Association, Inc near Nucla, Colorado in Montrose County. The station was composed of four coal-fired units. The station was retired in September 2019 following proposed revisions to the Colorado regional haze plan. The Nucla landfill is regulated under the federal coal ash rule and occupies 61 acres of land.

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

Monitoring Wells Wells reporting one or more exceedances for at least one pollutant.
5 / 5
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 fluoride lithium molybdenum radium sulfate
Pollutants monitored and below guidelines
antimony barium beryllium boron cadmium chromium cobalt lead mercury selenium thallium
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, October 13, 2022 11:24:08 AM EDT