Overview
Hokksund avlopsanlegg is a municipal wastewater treatment plant serving approximately 15,000 people in Hokksund, Norway. It operates under Norway's implementation of the EU Urban Waste Water Treatment Directive.
Hokksund avlopsanlegg is a municipal wastewater treatment plant located in Hokksund, a town in Øvre Eiker municipality, Buskerud county, Norway. The plant serves a population of approximately 15,000 people, classifying it as a medium-sized agglomeration under Norwegian and EU regulations. As a Norwegian facility, the plant operates under the national implementation of the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size. Norway, as an EEA member, adheres to these standards, ensuring that treated effluent meets quality requirements before discharge. The plant's designed capacity is 1.00 (likely in thousand cubic meters per day or similar unit), indicating a scale appropriate for its service population. The plant discharges treated wastewater into the local water system, which ultimately drains into the Drammensfjorden, a fjord branching off the Oslofjord. This fjord system supports diverse marine life and is an important recreational and ecological area. Proper treatment helps protect water quality in the fjord and downstream ecosystems.
Environmental context
The plant's treated effluent flows into the Drammenselva river system, which empties into the Drammensfjorden, a branch of the Oslofjord in southeastern Norway. The fjord supports a variety of marine species and is used for fishing and recreation. The watershed is influenced by both urban runoff from Hokksund and agricultural activities in the surrounding region. Effective wastewater treatment is essential to prevent nutrient loading and maintain the ecological health of the fjord.
Frequently asked questions
Hokksund avlopsanlegg is located at Loe bruk, Losmoen, in Hokksund, Øvre Eiker municipality, Buskerud county, Norway.
The plant serves approximately 15,000 people, classifying it as a medium-sized agglomeration under Norwegian and EU wastewater regulations.
The plant discharges treated effluent into the local water system, which flows into the Drammenselva river and ultimately reaches the Drammensfjorden, part of the Oslofjord.
As a Norwegian plant, it operates under the national implementation of the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for agglomerations of this size.
Under the EU UWWTD, agglomerations between 10,000 and 100,000 population equivalent require secondary treatment, which includes biological treatment to reduce organic matter and suspended solids.
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