Zebra mussels were recently found at Des Moines Water Works. What to know about the invasive species and why the Iowa DNR isn't worried.
Water managers and state wildlife officials last year hoped the discovery of a microscopic zebra mussel larva in the Colorado River was a one-time event, not a sign of a larger problem lurking beneath ...
Des Moines Water Works employees have spotted invasive zebra mussels in the Des Moines River in the metro area.
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