How polluted are our swimming lakes?

How polluted are our swimming lakes? The bathing season starts again, not only in the outdoor pools, but in the swimming lakes too.  In addition, we already reported on the final report of the Niedersächsische Landesbetrieb für Wasserwirtschaft, Küsten- und Naturschutz (NLWKN) and the Universitätsklinikum Bonn on the contamination of …