Coronado Generating Station has 13 groundwater monitoring wells, 13 of which have been polluted above federal advisory levels based on samples collected between January 04, 2016 and March 04, 2020. Groundwater at this site contains unsafe levels of lithium, sulfate, radium, arsenic, fluoride, cobalt and boron.
Site descriptionSalt River Project’s (SRP) Coronado Generating Station opened in 1979 and is located near Saint Johns, Arizona in Apache County. It has two coal-fired generating units with a combined capacity of 773-MW. The plant operates one CCR unit, regulated under the CCR rule, called the Ash Disposal Landfill.
You can find the industry-reported data here. For more information on the Coronado Generating Station, see EIP’s 2019 National Coal Ash Report.