(5-30-25) The Ohio Department of Health has listed on its site 9 beach advisories, four of them are on that list are red flagged and are on Grand Lake…the other five are yellow flagged for Bacteria Contamination Advisory — Posted when the level of bad bacteria in the water has reached unsafe levels and could make you sick. Children, the elderly and those in ill health or weakened immune systems are advised not to swim.

The four sites are listed below—