Ronnangs ARV Angholmen Wastewater Treatment Plant, Bleket, Sweden

Ronnangs ARV Angholmen is a wastewater treatment plant located in Bleket, Tjorn municipality, Vastra Gotaland County, Sweden. The plant serves a population equivalent of 12,762, classifying it as a medium-sized agglomeration under EU regulations. Its coastal location within 50 km of the sea places it in a sensitive area requiring advanced treatment to protect the marine environment. As a Swedish plant, Ronnangs ARV Angholmen operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), transposed into national law. For agglomerations of this size, the directive mandates secondary treatment as a minimum, with more stringent requirements in sensitive areas. The plant's designed capacity is 1.00 (likely in thousands of cubic meters per day), indicating it is sized to handle the local population's wastewater. The plant's treated effluent discharges into the surrounding coastal waters of the Kattegat, part of the North Sea basin. This area supports diverse marine life and is important for local fisheries and recreation. Proper treatment is essential to prevent nutrient enrichment and protect water quality in this ecologically sensitive coastal region.

Ronnangs ARV Angholmen discharges into the coastal waters of the Kattegat, a sea area connecting the North Sea and the Baltic Sea. The Kattegat is a nutrient-sensitive marine environment that supports diverse aquatic life, including fish, seabirds, and benthic habitats. The plant's location in a coastal zone requires careful management to prevent eutrophication and maintain water quality for both ecological and recreational uses.