Verordnung zum Schutz der Oberflächengewässer (Oberflächengewässerverordnung - OGewV)

This regulation establishes rules for protecting surface waters to ensure high water quality and ecological health. It aims to prevent pollution and manage water resources sustainably to support biodiversity and human health. The regulation affects water management authorities, industrial operators, and agricultural businesses in Germany. It sets standards for water quality that must be met to protect aquatic ecosystems and public water supplies.