Olaviken Wastewater Treatment Plant, Erdal, Norway

Olaviken is a wastewater treatment plant located in Erdal, Askøy municipality, Vestland county, Norway. It serves a small population of 127 people, reflecting its role in a rural or suburban community on the island of Askøy near Bergen. The plant is situated at Brandaneset, Straumsnes, with coordinates 60.458 N, 5.227 E. As a secondary treatment facility, Olaviken provides biological treatment to remove organic matter and suspended solids. Its designed capacity is 450 cubic meters per day, with a current discharge volume of 55.08 cubic meters per day, indicating ample reserve capacity. The plant operates under Norway's implementation of the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for discharges to coastal waters from agglomerations of this size. The treated effluent is discharged into the coastal waters of the North Sea near Askøy. This area supports diverse marine life, including fish stocks and seabird populations. The plant's proximity to the coast (within 10 km) means its discharge must meet strict standards to protect the local marine environment.

Olaviken discharges treated wastewater into the coastal waters of the North Sea near Askøy, Vestland. The receiving waters are part of a fjord system that supports diverse marine ecosystems, including fish, crustaceans, and seabirds. The area is ecologically sensitive due to its role as a nursery ground for commercial fish species and its proximity to recreational coastal zones.