Illinois well being officers of contaminated water at seashores, swimming pools – NBC Chicago

While Lake Michigan seashores throughout Chicago and the suburbs are formally open for the 2026 summer time season, well being officers are warning of a typical prevalence throughout swimming that’s extra harmful than it might appear: swallowing water.

Recreational water sicknesses, or RWIs can “spread if you swallow, have contact with, or breathe in mists or aerosols from water contaminated with germs,” a information launch from the Lake County Department of Public Health mentioned, with diarrhea being the commonest.

But it is not simply at seashores. The Illinois Department of Health additionally warned that RWIs could be contracted via swimming in swimming pools, scorching tubs, spas, water parks, rivers and extra.

“These illnesses are caused by a variety of pathogens, including bacteria, viruses, and parasites, which can flourish in contaminated water,” the IDPH mentioned. “Even a small ‘accident’ can affect everyone in the water.”

In addition to gastrointestinal sicknesses, RWIs also can embody pores and skin, ear and eye infections; or respiratory sicknesses like Legionnaires illness and Pontiac fever. The ailments are sometimes contracted via swallowing contaminated water, or water contaminated with micro organism like E.coli coming in touch with the pores and skin, eyes, ears or nostril.

In some hotter freshwater lakes and ponds, parasites burrowing into pores and skin can result in Swimmer’s Itch, a typical rash that may happen after swimming or wading open air.

“Dry off thoroughly with a towel after getting out of the water,” the IDPH mentioned. “Take a shower with soap and water, wear protective clothing, and consider using repellents on exposed skin.”

Health officers additionally warned swimmers to keep away from swimming in lakes after heavy rainfall since that would “wash pollution into lakes, leading to elevated micro organism ranges.

Hundreds of seashores throughout town and suburbs are monitored for prime ranges of micro organism, with some already issuing contamination advisories, together with at Elder Park Beach in Winnetka.

Advisories for contamination ranges at seashores in Lake County can be found here, with advisories for seashores in Cook County and different areas in Illinois here. Advisories and swim circumstances for seashores within the metropolis of Chicago can be discovered here.