(Des Moines, Iowa) [KCCI – On the first weekend of summer, which will also be the hottest stretch of the year so far, the Iowa DNR suggests avoiding nine beaches where E. coli levels are too high. Swimming is not recommended at the following beach/lakes:

• Backbone Beach
• Beeds Lake Beach
• Black Hawk Beach
• Blue Lake Beach
• Bobwhite State Park
• Emerson Bay Beach
• Nine Eagles Beach
• North Twin Lake West Beach
• Pine Lake South Beach

The DNR conducts weekly tests at more than three dozen state-owned swimming beaches between the week before Memorial Day through Labor Day. You can find more on the DNR’s website.