Overview
Grunden wastewater treatment plant serves Kristiansund, Norway, providing secondary treatment. Located on Gomalandet island, it is within 10 km of the coast and has a designed capacity of 724 m³/day.
Grunden is a wastewater treatment plant located in Kristiansund, a coastal city in Møre og Romsdal county, Norway. The plant serves the local community on Gomalandet island, part of the Kristiansund archipelago. As a secondary treatment facility, it plays a key role in managing municipal wastewater in this urban coastal setting. Norway implements the EU Urban Waste Water Treatment Directive (91/271/EEC) through its national regulations, requiring secondary treatment for discharges to freshwater and estuaries, and more advanced treatment for sensitive areas. The plant's designed capacity of 724 m³/day indicates it serves a relatively small agglomeration, likely under 10,000 population equivalent. Secondary treatment typically involves biological processes to reduce organic matter and suspended solids. The plant discharges treated wastewater into the surrounding marine environment of the Norwegian Sea. Kristiansund is situated on islands connected by bridges, and the local marine ecosystem includes fjords and coastal waters that support diverse aquatic life, including fish, seabirds, and marine mammals. Proper wastewater treatment is essential to protect water quality and the ecological health of this coastal region.
Environmental context
Grunden plant discharges into the coastal waters of the Norwegian Sea near Kristiansund. The receiving environment is a dynamic marine ecosystem with fjords and islands, supporting diverse aquatic life such as cod, herring, and seabirds. The area is ecologically sensitive due to its role as a spawning and nursery ground for fish, and secondary treatment helps reduce nutrient and pollutant loads to protect water quality.
Frequently asked questions
Grunden is located on Gomalandet island in Kristiansund, Møre og Romsdal county, Norway. The full address is Grunden, Gomalandet, Kristiansund, Møre og Romsdal, 6512.
Grunden provides secondary treatment, which typically involves biological processes to remove organic matter and suspended solids from wastewater before discharge.
The plant discharges treated wastewater into the coastal waters of the Norwegian Sea near Kristiansund. Being within 10 km of the coast, the discharge likely goes directly into the marine environment.
Norway implements the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for discharges to coastal waters. Plants serving agglomerations under 10,000 PE may have specific requirements based on the sensitivity of the receiving waters.
For small coastal communities in Norway, secondary treatment is standard, often using biological processes like activated sludge or biofilm reactors. The designed capacity of 724 m³/day suggests Grunden serves a relatively small population, consistent with typical small-scale coastal plants.
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