Calaveras Power Station

Download Data
Snapshot

Calaveras Power Station has 21 groundwater monitoring wells, 20 of which have been polluted above federal advisory levels based on samples collected between December 06, 2016 and October 11, 2017. Groundwater at this site contains unsafe levels of lithium, sulfate, cobalt, radium, boron, selenium, beryllium, thallium, cadmium, chromium, lead, mercury, molybdenum and arsenic.

Site description

The Calaveras Power Station, operational since 1972, is owned and operated by CPS Energy. The station includes the J.T. Deely Power Plant and the J.K. Spruce Power Plant. CPS Energy decommissioned the J.T. Deely Power Plant in late 2018. CPS Energy has four disposal areas regulated under the federal coal ash rule: Sludge Recycle Holding Ponds, Bottom Ash Ponds, Evaporation Pond, and the Fly Ash Landfill. These disposal areas occupy 3.5, 13, 4.5, and 21.8 acres of land, respectively. All of the power station's disposal areas are lined.

For more information about Calaveras Power Station, see EIP's report,America's Top Power Plant Toxic Air Polluters.

Monitoring Wells Wells reporting one or more exceedances for at least one pollutant.
20 / 21
Wells not shown Locations for the following wells are unavailable:

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

Legend
No exceedances
One or more exeedances
No data available
Upgradient
Downgradient
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 mercury molybdenum radium selenium sulfate thallium
Pollutants monitored and below guidelines
antimony barium fluoride
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 26, 2018 12:28:35 PM EDT