Court orders EPA to overhaul toxic power plant wastewater regulations

Utility Dive: Earthjustice, which brought the lawsuit against the EPA on behalf of several environmental groups, was challenging the provision of a 2015 rule that allowed power plants to use outdated technologies, including wastewater pits, to treat some wastewater streams.

The suit alleged that the EPA set unlawful technology standards for pre-existing wastewater and combustion residual leachate. While the 2015 EPA rule revamped several other water pollution guidelines based on modern technology standards, it used technology standards dating back 1982 for those two categories.

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