Politics· States Newsroom

Swimmers weren’t warned about nearly 30 high E. coli tests at beaches this summer

States Newsroom · November 6, 2026

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There were 27 instances this summer when a single sample test for E. coli at a state beach came back above the state standard, but state regulators did not issue a swim advisory for the beach. The Iowa Department of Natural Resources tests lake water at state park beaches for E. coli and cyanobacteria toxins from…

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