Monticello Steam Electric Station

Download Data

Monticello Steam Electric Station has 7 groundwater monitoring wells, 7 of which have been polluted above federal advisory levels based on samples collected between October 15, 2015 and September 10, 2018. Groundwater at this site contains unsafe levels of boron, sulfate, cobalt, beryllium, arsenic, lithium, cadmium, selenium, molybdenum, chromium and lead.

Site description

The Monticello Steam Electric Station in Mount Pleasant, Texas was owned and operated by Luminant until its retirement in January 2018. Monticello had three power generation units, with the first being commissioned in 1974. Monticello has three ash ponds regulated under the federal coal ash rule: West Ash Settling Pond, Southwest Ash Settling Pond, and Northeast Ash Water Retention Pond. You can find the industry reported data here.

For more information on the Monticello Steam Electric Station, see EIP's reports, America's Top Power Plant Toxic Air Polluters, Dirty Kilowatts, Groundwater Contamination from Texas Coal Ash Dumps and EIP's 2019 National Coal Ash Report Coal's Poisonous Legacy.

Monitoring Wells Wells reporting one or more exceedances for at least one pollutant.
7 / 7
Wells not shown Locations for the following wells are unavailable:

Download the complete dataset to access monitoring information for these wells.

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 beryllium boron cadmium chromium cobalt lead lithium molybdenum selenium sulfate
Pollutants monitored and below guidelines
antimony barium fluoride 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 Monday, October 17, 2022 05:08:18 PM EDT