Iowa dairy fined $38K for manure spill, fish kill in Dry Run Creek

By: Cami Koons

Outlets: Iowa Capital Dispatch

Published: February 9, 2026

Words: 470

Last Updated: 3 weeks ago

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An eastern Iowa dairy has agreed to pay more than $38,000 in a consent order with the Iowa Department of Natural Resources for a March 2025 manure spill that killed more than 126,000 fish.

While multiple manure spills from small dairies in Winneshiek County have resulted in fish kills, this was the first enforcement action DNR has had with Dale Humpal’s operation of about 330 head of dairy cattle.

DNR staff responded …

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