When a hazard is issued, KDHE recommends the following precautions be taken:Signage should be posted at all public access locations. When a warning is issued, KDHE recommends the following precautions be taken:Signage should be posted at all public access locations. Lake water, regardless of blue-green algae status, should never be consumed by humans. When a watch is issued, KDHE recommends the following precautions be taken:Signage should be posted at all public access locations. KDHE investigates publicly accessible bodies of water for blue-green algae when the agency receives reports of potential algae blooms in Kansas lakes.