Overview
Stjordal SARA Halsoen avlopsrenseanlegg is a wastewater treatment plant serving Stjørdal, Norway. It treats wastewater for approximately 32,000 people and discharges into the Trondheimsfjord.
Stjordal SARA Halsoen avlopsrenseanlegg is a municipal wastewater treatment plant located in Stjørdal, Trøndelag, Norway. The facility serves a population of approximately 32,000 residents, making it a medium-sized agglomeration under Norwegian and EU regulatory frameworks. The plant is situated near the coast of the Trondheimsfjord, a significant fjord system in central Norway. As a Norwegian wastewater treatment plant, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which Norway implements through its national regulations. For agglomerations of this size (over 10,000 population equivalent), the directive requires at least secondary treatment, with more stringent requirements if the discharge is into sensitive areas. The plant's designed capacity is 1.00 (likely in thousands of cubic meters per day or similar unit), indicating its scale. The treated effluent from the plant is discharged into the Trondheimsfjord, which is a deep fjord connected to the Norwegian Sea. The fjord supports diverse marine life, including fish populations and seabird colonies. The plant plays a crucial role in protecting this coastal ecosystem from nutrient pollution and pathogens, contributing to the overall water quality of the Trondheimsfjord and the Norwegian Sea.
Environmental context
The plant discharges into the Trondheimsfjord, a large fjord system that flows into the Norwegian Sea. This coastal environment supports diverse marine ecosystems, including fish, crustaceans, and seabirds. The fjord is also important for local fisheries and aquaculture. Proper treatment is essential to prevent eutrophication and maintain water quality in this sensitive marine environment.
Frequently asked questions
The plant is located in Stjørdal, Trøndelag, Norway, near the Trondheimsfjord coast.
The plant serves approximately 32,068 people, classifying it as a medium-sized agglomeration under EU and Norwegian regulations.
Treated wastewater is discharged into the Trondheimsfjord, which connects to the Norwegian Sea.
As a Norwegian plant, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), implemented through national regulations, requiring at least secondary treatment for its population size.
Plants of this scale in Norway typically provide secondary treatment (biological treatment) as a minimum, with possible nutrient removal if discharging into sensitive areas like fjords.
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