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![](https://www.circleofblue.org/wp-content/uploads/2015/03/DesMoines-495x400.jpg)
Des Moines Initiates Clean Water Act Lawsuit to Stem Farm Pollution
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Iowa’s largest city will sue three upstream counties to reduce nitrate contamination.
![](https://www.circleofblue.org/wp-content/uploads/2014/08/OhioWatershedMapSmall.jpg)
Seven Ohio Drinking Water Sources Don’t Meet State Water Quality Standards for Toxic Algae
Lack of testing requirements inhibits more thorough review of…