Overview
Rząśnik wastewater treatment plant in województwo mazowieckie, Poland, serves about 2,500 people with secondary treatment. It discharges treated effluent into local waterways, supporting the region's water quality.
The Rząśnik wastewater treatment plant is located in the village of Rząśnik, within województwo mazowieckie in east-central Poland. It serves a population of approximately 2,500, making it a small agglomeration under Polish and EU regulations. The plant is situated inland, away from coastal areas, and its operations are part of the municipal infrastructure for the local community. As a secondary treatment facility, the plant meets the minimum standard required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations of this size. The directive mandates secondary treatment for all discharges from populations above 2,000, which this plant complies with. The designed capacity of 5,830 m³/day indicates the plant has room for future growth, though current discharge volume is around 362 m³/day. The treated effluent from Rząśnik is discharged into local surface waters, which eventually drain into the Bug River basin and then to the Narew River, a tributary of the Vistula River. The Vistula flows into the Baltic Sea, making the plant's performance important for downstream aquatic ecosystems. Proper treatment helps protect biodiversity in these rivers and the sensitive Baltic Sea environment.
Environmental context
The plant discharges into the Bug River catchment, part of the Vistula River basin that ultimately reaches the Baltic Sea. The Baltic Sea is a semi-enclosed sea with limited water exchange, making it vulnerable to nutrient pollution. Secondary treatment at this plant reduces organic load and helps control eutrophication in downstream waters, supporting aquatic life in the Bug and Narew rivers.
Frequently asked questions
The plant is located at 50C, Wyszkowska Street in Rząśnik, within the gmina Rząśnik, powiat wyszkowski, województwo mazowieckie, Poland.
The plant serves approximately 2,537 people, classifying it as a small agglomeration under EU regulations.
The plant discharges treated effluent into local surface waters that flow into the Bug River basin, part of the Vistula River system leading to the Baltic Sea.
The plant provides secondary treatment, which is the minimum required by the EU Urban Waste Water Treatment Directive for agglomerations of this size.
As a Polish plant serving over 2,000 people, it operates under the EU Urban Waste Water Treatment Directive 91/271/EEC, which mandates secondary treatment and sets standards for discharge quality to protect water bodies.
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