Diluted pesticide spill in Lee County creek leads to fish kill

By: Cami Koons

Outlets: Iowa Capital Dispatch

Published: June 29, 2026

Words: 225

Last Updated: 2 weeks, 3 days ago


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The Iowa Department of Natural Resources is investigating a spill of pesticide rinsate that caused a fish kill in an unnamed creek near Houghton.

Pesticide rinsate, a diluted mixture of pesticide created when storage tanks or spray equipment are washed, spilled on the ground at the Chem Gro agricultural business in Houghton and flowed to a nearby storm drain, according to the DNR.

The rinsate flowed through the storm drain to an unnamed …

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