Milford and Marion reservoirs no longer listed for blue-green algae.

The Kansas Department of Health and Environment (KDHE) has lifted its Public Health Advisories for Milford Reservoir and Marion Reservoir. A Public Health Warning was issued for  Lake  Warnock in  Atchison County and warnings remain in place for six other lakes.

KDHE samples recreational bodies of water for blue-green algae when the agency is alerted to a potential algae bloom. When harmful algal blooms are present, KDHE, in cooperation with the Kansas Department of Wildlife, Parks and Tourism (KDWPT) and other lake managers where appropriate, responds by informing the public of these conditions.

KDWPT reminds visitors that when a lake is under an Advisory or Warning, marinas, lakeside businesses, and park camping facilities remain open for business, although swim beaches will be closed. Park drinking water and showers are safe and not affected by the algae bloom. Also, it is safe to eat fish caught during a harmful blue-green algae outbreak, as long as consumers clean and rinse the fish with clean, potable water; consume only the fillet portion; and discard all other parts. People should also wash their hands with clean, potable water after handling fish taken from an affected lake.


A Public Health Warning means high levels of toxic blue-green algae have been detected, indicating that water conditions are unsafe and direct water contact (i.e., wading, skiing and swimming) is prohibited. Kansas public waters currently under “Warning” status:

Buhler  City  Lake Reno  County

Colwich  Memorial  Park  Lake Sedgwick  County

Lake  Warnock, ( Atchison  City  Lake),  Atchison  County (new)

Logan  City  Lake – Logan Phillips  County

Memorial  Park  Lake ( Veterans  Lake) – Great Bend Barton  County

Riggs  Park  Lake Sedgwick  County

South  Park  Lake Johnson  County

When a Warning is issued, KDHE recommends the following precautions be taken:

● Don’t let people, pets and livestock drink untreated lake water

● Water contact is prohibited. Avoid swimming, wading or other activities with full body contact of lake water, including skiing or using jet-skis

● Clean fish and rinse with clean water, consume only the fillet portion, and discard all other parts

● Do not allow pets or livestock to eat dried algae

● If lake water contacts skin or pet fur, wash with clean potable water as soon as possible

● Avoid areas of visible algae accumulation


A Public Health Advisory means harmful levels of blue-green algae have been detected, indicating that a hazardous condition exists. Water activities like boating and fishing may be safe; however, direct contact with water (i.e., wading, swimming) is strongly discouraged for people, pets and livestock.  Kansas public waters currently under “Advisory” status:


Health effects from exposure to blue-green algae can vary. The most common complaints after recreational exposure include vomiting, diarrhea, skin rashes, eye irritation and respiratory symptoms. Blue-green algae toxins can also cause deaths in pets.

KDHE will continue to monitor these public waters and will update statements as conditions warrant. More information on algae and algae blooms, including up-to-date Advisories and Warnings, can be found at online at
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