"Iowa is about to launch its biggest assault ever on river and lake pollution -- a $455 million campaign.

After decades of struggling to address serious pollution problems, the state now has an unprecedented pool of state and federal money to solve some of its worst water-quality problems, said Charles Corell, the water chief of the Iowa Department of Natural Resources.
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One of the biggest impacts: improved sewage treatment and septic systems in the 500 towns and rural subdivisions that don't have any."

Perry Beeman reports for the Des Moines Register May 10, 2009 [2].