Lusina Wastewater Treatment Plant, Zawoja, Lesser Poland

Lusina is a secondary-level wastewater treatment plant located in Zawoja, a village in the Lesser Poland Voivodeship (województwo małopolskie) of southern Poland. The facility serves a population of approximately 2,885 residents, reflecting its role in a small mountain community within the Beskid Żywiecki range. As a secondary treatment plant, Lusina meets the standard required under the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations with a population equivalent between 2,000 and 10,000. The plant has a designed capacity of 7,000 m³/day and currently discharges 411.36 m³/day of treated wastewater, indicating significant spare capacity. The treatment process likely involves biological oxidation and settling to reduce organic matter and suspended solids. The treated effluent from Lusina ultimately drains into the Skawica River, a tributary of the Skawa River, which flows into the Vistula River and then into the Baltic Sea. The facility helps protect local water quality in the mountainous region, which supports diverse aquatic life and is part of the broader Vistula basin ecosystem.

Lusina's treated wastewater discharges into the Skawica River, a tributary of the Skawa River, which flows into the Vistula River and eventually reaches the Baltic Sea. The plant is situated in the Beskid Żywiecki mountains, an ecologically sensitive area with diverse aquatic habitats. The secondary treatment ensures that effluent meets EU standards for organic matter and suspended solids, protecting downstream water quality and supporting the region's biodiversity.