For Immediate Release

Organization Profile: 

Lisa Evans, Earthjustice Senior Counsel,, 781.631.4119

New Industry Data Confirms Toxics are Polluting Groundwater at Coal Ash Dumps

EPA’s coal ash rule requires utilities to test groundwater – initial results are alarming.

WASHINGTON - Unlined pits filled with coal ash waste are leaking toxic substances – including arsenic – into groundwater near old coal-burning power plants in eight states, an Earthjustice review of 14 industry reports has found.

Coal ash – what’s left after a power plant burns coal - is dumped into pits at approximately 1,400 sites around the country and poses threats to drinking water, neighborhoods, and air quality. The pits are unlined, so toxics can seep into groundwater. 

“Hundreds more power plants will be making their required groundwater tests available online soon – and this is critical information that communities need to protect their drinking water from toxic pollution,” said Earthjustice Senior Counsel Lisa Evans. “From just this initial survey of these reports, we can see that groundwater contamination from coal ash pits is a grave concern.”

Under a 2015 U.S. Environmental Protection Agency coal ash rule, all U.S. electric generating utilities were required to analyze groundwater pollution at each of their operating coal ash dumps by January 31, 2018 and publish the results online by March 2nd

To date, the largest electric utilities in the nation have not posted the results of their groundwater monitoring, including Duke Energy, First Energy, Ameren, NRG, AES and Dominion. By law, these reports are already completed, but all of the major utility companies are delaying public posting until the March 2 deadline.

Because most coal ash dumps are unlined and many have already been found to be leaking deadly chemicals, like arsenic, hexavalent chromium, lead and thallium (rat poison), these first-ever groundwater monitoring reports are critically important to the safety of the nation’s drinking water. The EPA and environmental groups have already confirmed over 200 cases of water contamination from leaking coal ash sites.

A review of the reports that some of the country’s smaller utilities have posted online reveals that a majority have groundwater contamination.

Out of the 14 power plants so far that posted test results and analyses, nine noted “statistically significant increases” of substances such as arsenic, antimony, molybdenum, lithium, boron, chlorides, pH and more in groundwater.  Three additional plants confirmed findings of preliminary contamination, but have not completed testing and analysis. The data also reveal levels of arsenic and radium above drinking water standards in some groundwater wells.

The plants are located in eight states spanning from Florida to Alaska. Under the EPA’s coal ash rule, power plants that find contamination will have to do more testing and come up with cleanup plans to protect groundwater. 

“Coal ash is a silent, tasteless killer,” Evans said. “But once the pollution is discovered, the EPA’s coal ash rule requires protection and cleanup. That’s why it is critical that this law stay in effect.”

As soon as President Donald Trump took office, polluters petitioned the EPA to weaken the critical protections of the coal ash rule. EPA Administrator Scott Pruitt quickly complied by writing a new rule. It’s unknown when the EPA will publish the new rule, but it is anticipated that the proposed rule will be published later this month.

“The groundwater testing reports we examined reveal that the EPA’s coal ash rule is working as planned and will help protect aquifers near coal ash dumps from further pollution,” Evans said. “Communities that rely on this water for drinking should sleep better knowing that the existing federal law requires full disclosure of the hazardous chemicals leaking from these toxic dumps.”

The following ten plants have confirmed online that coal ash has contaminated groundwater:


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1.    Xcel Energy Sherburn County (Sherco) Generating Plant, Becker, MN

2.    Golden Valley Electric Association, Healy Power Plant, Healy, AK

3.    Gainesville Regional Utilities, Deerhaven Generating Station, Gainesville FL

4.    Crisp County Power Commission, Crisp Power Plant, Warwick GA; Also this link

5.    Muscatine Power and Water, Muscatine Power and Water, Muscatine, IA

6.    Holland Board of Public Works, James DeYoung Power Plant, Holland, MI. Also this link

7.    City of Fremont Utilities, Fremont Power Plant, Fremont, NE

8.    Omaha Public Power District, North Omaha Station, Omaha, NE

9.    Omaha Public Power District, Nebraska City Power Station, Nebraska City, NE

10.    Transalta Centralia Power Plant, Centralia, WA

All utility coal ash websites are posted at this link.

Read the release online


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Earthjustice is a non-profit public interest law firm dedicated to protecting the magnificent places, natural resources, and wildlife of this earth, and to defending the right of all people to a healthy environment. We bring about far-reaching change by enforcing and strengthening environmental laws on behalf of hundreds of organizations, coalitions and communities.

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