Monday night's heavy rainfall and strong storms caused an overflow of sewage and rainwater to be discharged into Lake Erie.
The Northeast Ohio Regional Sewer District (NEORSD) is advising visitors, particularly children and the elderly, to avoid contact with the water and debris.
The overflow discharge is a combination of raw sewage and storm water.
The maintenance at NEORSD confirmed the overflow around 12:45 a.m. on Tuesday.
To help curb the flow of untreated water into Lake Erie, a new tunnel project will begin to start protecting the lake from storm water and sewage during storms.
Project Clean Lake, a $3 billion effort that calls for the construction of seven underground tunnels, some three to five miles in length, will be used to store storm water and sewage during a heavy rain event until it can be pumped out, cleaned and released into the lake.