Overview
Kiesental Oberes Konolfingen is a wastewater treatment plant serving Freimettigen, Switzerland. It treats wastewater for approximately 10,300 people in the Bern-Mittelland region.
Kiesental Oberes Konolfingen is a wastewater treatment plant located in Freimettigen, within the canton of Bern, Switzerland. The plant serves a population of around 10,300 people, making it a medium-sized agglomeration in the Swiss wastewater infrastructure network. It operates under Swiss federal water protection regulations, which align with the EU Urban Waste Water Treatment Directive standards for inland plants. Swiss regulations require secondary treatment for plants of this scale, with advanced treatment in sensitive catchment areas. It is expected to meet national standards for biological treatment and nutrient removal to protect receiving waters. The plant discharges into the local watershed, which drains into the Aare River system and ultimately into the Rhine River. This river basin is ecologically significant, supporting diverse aquatic life and serving as a major waterway for Central Europe. The plant's operations contribute to maintaining water quality in this important catchment area.
Environmental context
The plant's treated effluent flows into the local tributaries of the Aare River, which joins the Rhine River before reaching the North Sea. This watershed supports diverse aquatic ecosystems, including fish species such as brown trout and grayling. The region's alpine hydrology means seasonal flow variations, making consistent treatment important for downstream ecological health.
Frequently asked questions
The plant is located in Freimettigen, in the canton of Bern, Switzerland, within the Bern-Mittelland administrative district.
The plant serves approximately 10,300 people, classifying it as a medium-sized agglomeration under Swiss wastewater regulations.
The treated effluent is discharged into local waterways that drain into the Aare River, a major tributary of the Rhine River.
The plant operates under Swiss federal water protection laws, which require secondary treatment for plants of this size, with additional nutrient removal in sensitive areas.
Swiss regulations typically mandate secondary biological treatment with nitrogen and phosphorus removal for plants serving 10,000 people or more, especially in catchments draining to ecologically sensitive waters.
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