State officials urged capital region swimmers to avoid parts of Lake Natoma ahead of the July Fourth weekend due to high E.

A Boil Water Notice that was enacted in Koreatown June 30 after routine testing revealed E. coli contamination in a recent ...

Swimming at Beach 9 in Presque Isle State Park has been restricted due to elevated E. coli levels recorded at 2,046.3 CFU per ...

Elevated bacteria levels prompted a warning at several popular swimming areas. Here's what visitors need to know.

A boil water notice has been issued for residents in Koreatown after E. coli was detected in a routine water sample.

California State Parks has issued a health alert for visitors after elevated levels of E. coli bacteria were found at some areas of the Folsom Lake State Recreation Area.

Boise Parks And Recreation posted warning signs at Esther Simplot Park Pond 1 following water quality test results showing E.