Overview
Oczyszczalnia sciekow w Ciechanowcu is a secondary treatment plant serving 5,875 people in Ciechanowiec, Podlaskie Voivodeship, Poland. It discharges 837.68 m³/day of treated wastewater into local waters.
Oczyszczalnia sciekow w Ciechanowcu is a municipal wastewater treatment plant located in Ciechanowiec, a town in the Podlaskie Voivodeship of northeastern Poland. The plant serves a population of 5,875, placing it in the small-to-medium agglomeration category under Polish and EU regulations. The plant provides secondary treatment, which is the minimum required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations of this size discharging into freshwater. Its designed capacity is 8,000 m³/day, and it currently treats an average daily flow of 837.68 m³, indicating ample reserve capacity. The treated effluent is discharged into local watercourses that drain into the Bug River basin, a major tributary of the Narew River and ultimately the Baltic Sea. The plant plays a key role in protecting the region's surface water quality, supporting aquatic ecosystems and downstream water uses.
Environmental context
The plant discharges into the Bug River catchment, which flows through eastern Poland into the Narew River and then to the Vistula River, reaching the Baltic Sea. The Bug River valley supports diverse aquatic habitats and is an important ecological corridor for migratory fish and bird species. The region's agricultural landscape means nutrient removal from wastewater is critical to prevent eutrophication in downstream waters.
Frequently asked questions
The plant is located at 69 Wspólna Street in Ciechanowiec, a town in the Podlaskie Voivodeship of northeastern Poland, within the powiat wysokomazowiecki.
The plant serves a population of 5,875, classifying it as a small-to-medium agglomeration under the EU Urban Waste Water Treatment Directive.
The treated effluent is discharged into local watercourses that flow into the Bug River basin, eventually reaching the Baltic Sea via the Narew and Vistula rivers.
The plant provides secondary treatment, which is the minimum required by the EU Urban Waste Water Treatment Directive for agglomerations of this size discharging into freshwater.
As a Polish plant serving fewer than 10,000 people, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for all discharges into freshwater from agglomerations above 2,000 population equivalent.
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