Source Information
 
    Ohio County Health Departments sample most beaches from Memorial Day weekend to Labour Day weekend.  Beaches on Lake Erie are sampled on a daily - weekly schedule depending on the beach.  Swim Guide checks the Ohio BeachGuard System daily for E. coli postings and the Ohio EPA Harmful Algae Bloom advisory website for postings. http://epa.ohio.gov/habalgae.aspx
A beach is marked Green when a single sample shows enterococci counts below 235 units/ 100 ml of water.
A beach is marked Red when a single sample shows enterococci counts above 200 units/ 100 ml or when Harmful Algae Blooms are confirmed at the beach. 
A beach is marked Grey when reliable or up-to-date information is not available.