Iowa DNR News: Zebra mussels found in Crystal Lake

Iowa DNR News: Zebra mussels found in Crystal Lake

Des Moines, IA (STL.News) – The Iowa Department of Natural Resources (DNR) is closely monitoring Crystal Lake for zebra mussels after recent discoveries of juveniles in a water sample and two individuals on a sampling plate used to monitor for zebra mussels.  No adult zebra mussels were found during a follow-up survey.

The DNR collects water samples and deploys settlement samplers in lakes across Iowa each summer to monitor for the invasive zebra mussel. 

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