CEDAR RAPIDS, Iowa (WOI) - The Iowa Department of Natural Resources (DNR) has issued a warning regarding E. coli levels at a dozen beaches in Iowa, WOI reports.

Raccoon Creek State Park in Beaver County has closed off the lake section of Raccoon Creek Beach until further notice.

The beach at Raccoon Creek State Park in Beaver County is closed for swimming until further notice. The park announced Thursday that an elevated level of E. coli was detected in the water during ...

E. coli exists normally in the guts of healthy people and animals, but some strains can cause symptoms like vomiting, diarrhea and other digestive issues.

If you're looking to swim at an Iowa lake this 4th of July, skip these 12 the Iowa DNR's beach monitoring says have high levels of E. coli or algae.

Just ahead of the busy Fourth of July weekend, a swim advisory at Gun Lake County Park Beach has been lifted. However, some beachgoers are still hesitant to get in the water.

What does elevated bacteria in beaches mean? Local health departments across Milwaukee routinely test nearshore water to make sure levels of E. coli bacteria don't reach unsafe levels.

How to protect your child from E. coli in lake water A Tulsa toddler was hospitalized with serious E. coli complications after swimming in a lake. Health warnings for Oklahoma families.

E. coli levels found high in Fishers, Indiana, bodies of water. Testing revealed contamination at four sites on Friday.

Tests performed on June 23 and June 24 showed "unsatisfactory" levels of E. coli at two points in Fall Creek and and one on the White River.

Genesee County has closed the waterfront at Bluebell Beach until further notice because of high E.coli levels in Mott Lake.

Scientists harness a new-to-nature reaction in E. coli to turn discarded plastics into life-saving medicines, charting a sustainable path for chemical manufacturing.