Environmental groups sue Iowa DNR over Ottumwa coal plant discharge permits

By: Cami Koons

Outlets: Iowa Capital Dispatch

Published: July 31, 2026

Words: 1,132

Last Updated: 3 days, 1 hour ago


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A group of environmental organizations allege in a lawsuit that the Iowa Department of Natural Resources granted illegal discharge permits to a coal plant and its landfill in Ottumwa.

The lawsuit, filed by Environmental Law & Policy Center, Iowa Environmental Council and Sierra Club, follows several years of actions between the environmental groups, DNR and the coal plant operator, Alliant Energy’s Interstate Power and Light Company.

While the environmental groups allege the permits allow …

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