Bonanza Power Plant

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Bonanza Power Plant has 9 groundwater monitoring wells, 9 of which have been polluted above federal advisory levels based on samples collected between September 06, 2016 and October 22, 2019. Groundwater at this site contains unsafe levels of lithium, sulfate, molybdenum, arsenic, boron, selenium, fluoride, cobalt, cadmium and chromium.

Site description

Deseret Power Electric Cooperative’s Bonanza Power Plant is located near Vernal Utah. The coal-fired single-unit plant has a capacity of 500 MW. The plant first opened in 1986. Bonanza Power Plant stores CCR material in two on-site units, the Fly Ash Area Landfill and the Bottom Ash Landfill, which are regulated by the CCR rule.

You can find the industry-reported data here. For more information on the Bonanza Power Plant, see EIP’s 2019 National Coal Ash Report.

Monitoring Wells Wells reporting one or more exceedances for at least one pollutant.
9 / 9
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 cadmium chromium cobalt fluoride lithium molybdenum selenium sulfate
Pollutants monitored and below guidelines
antimony barium beryllium lead mercury radium 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 Friday, October 28, 2022 12:00:39 PM EDT