 In 1993 the pumping station was shut and the lake re-established.Only a few tree stumps that jut out of the water, indicate that it was temporarily dry land.The lake is part of the protected area known as the North Rügen Bodden and Nonnensee ("Nordrügensche Bodden und Nonnensee") and is a breeding place and sanctuary for many bird species as well as a recreation area for the nearby town.