Harmful/Toxic Algae Bloom Management Programs

Harmful Algae blooms are caused by noxious planktonic algae.

Not all planktonic algae blooms carry this potential but when certain species grow and more importantly die they can release toxins that affect wildlife, pets and potentially people. The goal of an AEC management program is to limit the abundance of planktonic algae, reduce phosphorous, and reduce the shutdown of activities to your lake or pond. AEC can also sample and identify the algal species and if cyanobacteria is present.

Planktonic Algae is microscopic algae suspended in the water that can create an appearance of an oil slick on the surface or a color tint in the water.

Blue Green algae falls within this category and often is described as looking like green paint on the surface of a pond. Blue green algae can produce cyanobacteria which can be harmful to fish, wildlife, and humans. Phosphorous is the limiting nutrient in producing blue green algae blooms.

Common Species: Anabaena, Aphanizomenon, Microcystis

Watch

Harmful algae is POSSIBLE AND MAY BE PRESENT

Signage will be posted at all public access locations
Water may be unsafe for humans/animals
Avoid areas of algae accumulation and do not let people/pets eat dried algae or drink contaminated water
Swimming, wading, skiing, and jet skiing are discouraged near visible blooms
Boating and fishing are safe. Avoid direct contact with water, and wash with clean water after any contact.
Clean fish well with potable water and eat fillet portion only

Warning

Harmful algae is EXPECTED OR PRESENT

All of the recommendations of the Public Health Watch remain in effect, with the following addition:

All contact with water, including fishing and boating, should be avoided

Hazard (Lake Closure)

Harmful algae is PRESENT AND EXTREME CONDITIONS EXIST

It is recommended that either a portion of the lake, entire lake, or zone, be closed and in some cases the adjacent land (e.g., approximately 100 ft. from the shoreline) be closed to the public. Actual setback distances will be determined on a site-specific basis, if necessary. When partial closures (i.e., beach or cove) are issued, the remaining lake or zone area will carry a warning status.

For more information please visit the following public service sites:

Army Corps of Engineers

Kansas Department of Health and Environment

AEC Management Plans are set up in a way to minimize and monitor the issues that are associated with blue-green algae blooms.