Overview
Lazdiju aglomeracija is an advanced wastewater treatment plant serving Lazdijai, Lithuania. It treats municipal wastewater for a population of 3,800 with a designed capacity of 6,500 m³/day.
Lazdiju aglomeracija is an advanced wastewater treatment plant located in Lazdijai, Alytaus apskritis, Lithuania. The facility serves a population of approximately 3,800 residents, providing essential wastewater treatment for this southern Lithuanian town near the border with Poland. The plant employs advanced treatment processes, ensuring high-quality effluent. With a designed capacity of 6,500 m³/day and a current discharge volume of 556.16 m³/day, the plant operates well within its capacity. As a Lithuanian facility, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates advanced treatment for sensitive areas and agglomerations of this scale. The treated wastewater is discharged into the local watershed, which ultimately drains into the Baltic Sea via the Nemunas River basin. The plant plays a crucial role in protecting downstream water bodies, including the Baltic Sea, from nutrient pollution and other contaminants, supporting aquatic life and regional water quality.
Environmental context
The plant discharges into the Nemunas River basin, which flows through Lithuania and into the Curonian Lagoon before reaching the Baltic Sea. This watershed supports diverse aquatic ecosystems and is an important migratory corridor for fish. Advanced treatment helps reduce nutrient loading, protecting the sensitive Baltic Sea from eutrophication.
Frequently asked questions
Lazdiju aglomeracija is located at 12 Gėlyno g., Lazdijai, in the Alytaus apskritis region of southern Lithuania, near the border with Poland.
The plant serves approximately 3,800 residents of Lazdijai and surrounding areas.
The treated wastewater is discharged into the local watershed, which flows into the Nemunas River basin and ultimately reaches the Baltic Sea.
As a Lithuanian plant, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires advanced treatment for sensitive areas and secondary treatment for all agglomerations over 2,000 population equivalent.
For agglomerations of this size in Lithuania, the EU UWWTD mandates at least secondary treatment. Lazdiju aglomeracija provides advanced treatment, exceeding the minimum requirements and ensuring high environmental protection.
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