The province of Drenthe and Water Board Hunze and Aas issue a warning due to a high concentration of blue algae in the Speelvijver Emmercompascuum. The province has placed warning signs.

Blue algae can cause irritation to the eyes or skin. Other complaints include headaches, stomach, and intestinal issues. More information about the current quality of the water in swimming areas can be found at www.zwemwater.nl (refers to another website)