Suchedniow Wastewater Treatment Plant, Suchedniów, Poland

The Suchedniow wastewater treatment plant is located in Suchedniów, within the świętokrzyskie province of Poland. It serves a population of approximately 3,763 people, classifying it as a small agglomeration under Polish and EU regulations. The plant is situated near the Świętokrzyska Kolej Leśna area, reflecting its integration into the local landscape. The facility employs advanced treatment processes, ensuring a high level of pollutant removal before discharge. With a designed capacity of 15,100 m³/day and an actual discharge volume of 536.55 m³/day, the plant operates well below its capacity, indicating potential for future growth or seasonal variability. As a Polish plant, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for agglomerations of this size, with advanced treatment required in sensitive areas. The treated effluent is discharged into local water bodies that ultimately drain into the Vistula River basin, which flows northward into the Baltic Sea. The plant plays a key role in protecting the region's water quality, supporting aquatic ecosystems and downstream communities. Its advanced treatment helps reduce nutrient loads, contributing to the health of the Baltic Sea, which is sensitive to eutrophication.

The Suchedniow plant discharges into local streams that are part of the Vistula River basin. The Vistula flows through central Poland and empties into the Baltic Sea via the Gdańsk Bay. The Baltic Sea is a semi-enclosed, brackish sea highly sensitive to nutrient pollution, where advanced treatment helps mitigate algal blooms and oxygen depletion. The surrounding świętokrzyskie region features forested hills and karst landscapes, making groundwater protection a priority.