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What is a liquid? Utilities sue to avoid coal ash cleanup — and lose

What is a liquid? Utilities sue to avoid coal ash cleanup — and lose
July 12, 2024 Grist

By , Grist

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Across America, millions of tons of toxic waste are sitting in pits next to coal plants. But whether they will get cleaned up has come down to a legal debate over the definitions of words.

In 2015, following a pair of disastrous spills at coal plants in North Carolina and Tennessee, the Environmental Protection Agency issued a rule that required power companies to dispose of toxic waste at coal plants safely. The EPA’s rule required that coal ash, a byproduct of the coal power process which contains heavy metals like arsenic and mercury, cannot be left in contact with a “free liquid” — one that could move in and out of the ash itself — and it had to be stored in a manner that prevented “infiltration” by a liquid.

A group of utility companies sued the EPA and argued that rule’s prohibition of “infiltration” of a coal ash impoundment refers only to infiltration from above, by rainwater. They also claimed that the rule didn’t classify groundwater as a “free liquid” — although they acknowledged in their opening brief that “it may be true in a simplistic sense that ‘groundwater’ is a ‘liquid.’” By enforcing the rule using the common-sense definitions of these terms, the utilities argued, the EPA was effectively changing the rule itself.

To Gavin Kearney, an attorney at Earthjustice who argued in the case as an intervenor on the side of EPA, these arguments were “preposterous.” “These words are clear in their meaning. A liquid is a liquid, in any sense of the word, and infiltration means water coming in from any sides,” Kearney told Grist.

On June 28, the D.C. Circuit Court of Appeals agreed with him, finding no daylight between the letter of the 2015 rule and the EPA’s recent enforcement actions. The judge who authored the decision, Cornelia Pillard, specifically rejected the arguments about the contested meanings of “infiltration” and “free liquids.”

Prior to 2015, the pollution of groundwater by coal ash was long underappreciated among the many and varied hazards that coal plants pose to human health and the natural environment. Following the landmark rule, if a power company wanted to shut down a coal plant, which many companies are doing because of their decreasing profitability, it would have to ensure that no coal ash is left in contact with surrounding groundwater or open to rain from above.

However, in the years immediately following the rule’s passage, under the Trump administration — a period during which the EPA was briefly run by a coal lobbyist — the agency didn’t really enforce the rule. Power companies across the country quietly made plans to retire coal plants and in many cases simply ignored the rule banning permanent storage of coal ash in contact with groundwater. Under President Biden, the agency began enforcing the coal ash rule. There are over 100 sites nationwide where utilities plan to permanently bury coal ash where it was either in direct contact with groundwater or at imminent risk of contaminating it.

In 2019, the Georgia Environmental Protection Division received the authority to issue its own coal ash permits. The state’s main power company, Georgia Power, has plans to close ash ponds in contact with groundwater at a number of sites across Georgia. One is in the rural town of Juliette, Georgia, where the energy company plans to leave 16 million tons of coal ash in unlined pits at Plant Scherer, which was once the nation’s largest coal plant. Some of the town’s residents are suing Georgia Power, alleging that the plant’s contamination of their drinking water was responsible for illnesses and deaths in the community. In 2022, the EPA notified Georgia regulators that their plans to approve a permit for Georgia Power to permanently store ash in contact with groundwater at its North Georgia facility Plant Hammond violated the 2015 rule.

That permit was nevertheless issued, in open defiance of the EPA — and the legal arguments the Georgia regulators cited to justify the approval mirror those of the utility industry in its federal lawsuit.

The D.C. Circuit Court’s decision raises the question of whether the EPA will intervene in Georgia (as it recently did in Alabama) and revoke the state’s authority to issue coal ash permits. “Georgia right now is a bellwether as to whether or not EPA is going to do what it needs to do to defend the viability of the entire state [coal ash] program architecture,” said Chris Bowers, an attorney at the Southern Environmental Law Center.

Angela Hackel, a spokesperson for EPA, didn’t answer a question about whether they would shut down Georgia’s coal ash permit program, but said in an email that the EPA and Georgia’s environmental agency were “engaged in dialogue on closure strategies.” The Georgia Environmental Protection Division, or EPD, for its part, is still reviewing the decision, spokesperson Sara Lips told Grist in an email.

Until the EPA does intervene, Georgia Power has no plans to alter its plans, given that it’s already received a go-ahead from the state at one of its plants. The power company told Grist, “It is important to note that EPA has previously approved Georgia’s state [coal ash] program with oversight by Georgia EPD. Georgia EPD evaluated our site-specific plans at Plant Hammond and issued the final permit in November 2023.”

This article originally appeared in Grist at https://grist.org/energy/what-is-a-liquid-utilities-sue-to-avoid-coal-ash-cleanup-and-lose/.

Grist is a nonprofit, independent media organization dedicated to telling stories of climate solutions and a just future. Learn more at Grist.org.


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Featured image: Coal fired power plant. (Photo Credit: GLN)

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