Overview
ARV Sandvik is an advanced wastewater treatment plant serving Valdemarsvik, Sweden. It treats wastewater for approximately 2,640 people with a designed capacity of 5,500 m³/day.
ARV Sandvik is a wastewater treatment plant located in Sandvik, Valdemarsvik, in Östergötlands län, Sweden. The plant serves a population of about 2,640 people, placing it in the small agglomeration category under Swedish and EU regulations. It is situated near the Baltic Sea coast, within 50 km of the shoreline. The plant employs advanced treatment processes, which go beyond the secondary treatment standard required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations of this size. The designed capacity is 5,500 m³/day, with a reported discharge volume of 414.43 m³/day, indicating significant reserve capacity. As a Swedish facility, it operates under the national implementation of EU directives, overseen by the Swedish Environmental Protection Agency (Naturvårdsverket). The treated effluent is discharged into the local watershed, which ultimately drains into the Baltic Sea. The Baltic Sea is a sensitive brackish water body with eutrophication challenges, making advanced nutrient removal crucial. The plant's advanced treatment helps protect the coastal environment and supports Sweden's commitments to the Baltic Sea Action Plan.
Environmental context
ARV Sandvik discharges treated wastewater into the local drainage network that flows into the Baltic Sea, a semi-enclosed brackish sea with limited water exchange. The Baltic Sea is highly sensitive to nutrient pollution, which can cause algal blooms and oxygen depletion. The plant's advanced treatment reduces nitrogen and phosphorus loads, contributing to the health of coastal ecosystems and supporting biodiversity in the region.
Frequently asked questions
ARV Sandvik is located in Sandvik, Valdemarsvik, in Östergötlands län, Sweden. It serves the Valdemarsvik municipality.
ARV Sandvik serves approximately 2,640 people, classifying it as a small agglomeration under EU wastewater treatment directives.
The plant discharges treated effluent into the local watershed, which ultimately flows into the Baltic Sea. The advanced treatment process ensures high-quality effluent to protect the sensitive coastal environment.
ARV Sandvik provides advanced treatment, which includes nutrient removal beyond secondary treatment. This is particularly important for discharges into the Baltic Sea, a sensitive area prone to eutrophication.
As a Swedish plant, ARV Sandvik operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), implemented by the Swedish Environmental Protection Agency. For its size, secondary treatment is required, but the plant exceeds this with advanced treatment to protect the Baltic Sea.
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