The Iowa Department of Natural Resources has issued "swimming not recommended" advisories for five beaches at state parks after testing this week.

It's the third consecutive week that Black Hawk Beach near Lake View is on the list and second for Pine Lake South Beach near Eldora. New this week are Lake Manawa Beach near Council Bluffs, Nine Eagles Beach near Davis City and Prairie Rose Beach near Harlan.

All five had tests that exceeded the standard for E. coli. This can indicate that other more harmful bacteria or viruses could be present in the water.

The Iowa DNR's latest beach monitoring reports can be found here .

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