The Iowa Department of Natural Resources is facing criticism for proposing new livestock farm enforcement rules environmental groups and others say are not tough enough to clean up the state's rivers and lakes.
One of the critics is Bill Stowe, CEO of Des Moines Water Works.
He says the Environmental Protection Commission, which oversees the DNR, should require the agency to better monitor application of livestock manure and fertilizer to ensure too much is not being applied.
Stowe says the lack of clear standards for manure and fertilizer application is leading to contaminated water. He says it's increasingly difficult clean enough to remain in compliance with federal clean water guidelines.
Stowe spoke Friday in Des Moines at one of six hearings the DNR is holding on proposed new rules.
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