A "holistic" conservation approach to curbing fertilizer runoff polluting Iowa and U.S. streams will work quicker than litigation, U.S. Agriculture Secretary Tom Vilsack told The Des Moines Register's editorial board Monday.

 

Vilsack fielded questions about Des Moines Water Works' decision this month to notify three rural counties that it plans to sue them.  The utility charges that drainage districts in northwest Iowa are contributing to high levels of nitrates in Raccoon River, one of the metro area's sources for drinking water.

 

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