The Oneida County Health Department says the public should use caution around Oneida Lake because of what they believe may be an algae bloom.
The warning applies to people in Madison, Oneida, Onondaga, and Oswego counties.
The health department does not monitor swimming around the lake.
NewsChannel 9 has reached out to the health department for more details.
NewsChannel 9 and LocalSYR.com will have additional details as they become available.