Water Quality Improvements Lead to Mussels’ Return, Upper Iowa River Off State Impaired Waters List

DECORAH — The Upper Iowa River seemed an unlikely candidate for Iowa’s impaired waters list, noted for its exceptional water quality and stellar outdoor recreation opportunities. Still, native freshwater mussels were struggling to survive in the river – until a local effort stepped in to make major changes on the land. That effort was just recognized as a water quality success story by the U.S. Environmental Protection Agency.

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