BOISE -- The U.S. Environmental Protection Agency unveiled a new water discharge permit for Concentrated Animal Feeding Operations in Idaho April 9.

The permit updates the expired permit and impacts medium and large cattle and dairy operations that discharge wastewater or manure into surface waters such as streams, rivers and lakes.

The new permit will require those CAFO owners and operators to submit a nutrient management plan for EPA's initial review. These documents will be made available for public comment before the agency grants permit coverage.

The state nutrient management program protects that information from public release and EPA Idaho State Director Jim Werntz said during a conference call that new provisions likely won't sit well with affected dairy and cattle producers.

"It makes a lot of producers uncomfortable," he said. "They really don't like that."

The old Idaho CAFO general permit expired in 2002 but was extended administratively.

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