San Miguel Electric Plant

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San Miguel Electric Plant has 25 groundwater monitoring wells, 25 of which have been polluted above federal advisory levels based on samples collected between January 10, 2017 and August 24, 2017. Groundwater at this site contains unsafe levels of lithium, sulfate, boron, beryllium, cadmium, selenium, cobalt, thallium, arsenic, radium, fluoride and mercury.

Site description

The San Miguel Electric Plant is owned by the San Miguel Electric Cooperative, Inc. San Miguel is located in South Central Atascosa County in Christine, Texas. San Miguel’s 2016 Inspection Report states the Equalization Pond, Ash Pond, and Ash Pile as lined disposal areas regulated under the federal coal ash rule. The ponds are 25 acres, 26 acres, and one acre in size, as of 2016.

For more information on the San Miguel Electric Plant, see EIP's report, America's Top Power Plant Toxic Air Polluters.

For more information about Texas Coal Ash, see Earthjustice's fact sheet, Texas and Coal Ash Disposal in Ponds and Landfills.

Monitoring Wells Wells reporting one or more exceedances for at least one pollutant.
25 / 25
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 beryllium boron cadmium cobalt fluoride lithium mercury radium selenium sulfate thallium
Pollutants monitored and below guidelines
antimony barium chromium lead molybdenum
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 29, 2018 02:01:49 PM EDT