Pawnee Station

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Pawnee Station has 6 groundwater monitoring wells, 5 of which have been polluted above federal advisory levels based on samples collected between February 20, 2017 and October 11, 2017. Groundwater at this site contains unsafe levels of lithium, sulfate, cobalt, chromium, arsenic, fluoride, lead and molybdenum.

Site description

Pawnee Station is a 552 MW facility located in Brush, Colorado. Pawnee is owned and operated by Public Service Company of Colorado. Pawnee Station has one landfill regulated under the federal coal ash rule, the North Landfill, which has been online since 1981. The North Landfill is unlined and is 16 acres in size. Pawnee also has three ponds not regulated under the federal coal ash rule.

For more information about Colorado coal ash, see Earthjustice's factsheet, Colorado Coal Ash Disposal in Ponds and Landfills.

Monitoring Wells Wells reporting one or more exceedances for at least one pollutant.
5 / 6
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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 chromium cobalt fluoride lead lithium molybdenum sulfate
Pollutants monitored and below guidelines
antimony barium beryllium boron cadmium mercury radium 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 Wednesday, October 03, 2018 03:11:20 PM EDT