Overview
Grobinas pilsetas NAI is a secondary wastewater treatment plant in Grobiņas pagasts, Latvia, serving 1,316 people. It discharges 376.86 m³/day and is located within 10 km of the Baltic Sea coast.
Grobinas pilsetas NAI is a municipal wastewater treatment plant located in Grobiņas pagasts, Dienvidkurzemes novads, Latvia. The plant serves a population of 1,316 and operates with secondary treatment, reflecting the scale of a small agglomeration under EU regulations. As a secondary treatment facility, Grobinas pilsetas NAI meets the minimum requirements of the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations of this size. The plant has a designed capacity of 7,500 m³/day and currently discharges 376.86 m³/day of treated wastewater, indicating significant spare capacity. The plant is situated near the Baltic Sea coast, within 10 km of the shoreline. Treated effluent likely drains into local watercourses that flow into the Baltic Sea, a sensitive marine environment. The plant plays a key role in protecting coastal water quality and supporting the ecological health of the region.
Environmental context
The plant is located in the coastal zone of western Latvia, within the Nemunas River basin or a smaller coastal catchment. Treated wastewater discharges into local streams that ultimately flow into the Baltic Sea, a brackish sea with limited water exchange and high ecological sensitivity. The Baltic Sea is subject to eutrophication from nutrient inputs, making effective wastewater treatment critical for reducing nitrogen and phosphorus loads. The plant's secondary treatment helps mitigate nutrient pollution, supporting the health of coastal ecosystems and marine biodiversity.
Frequently asked questions
Grobinas pilsetas NAI is located in Grobiņas pagasts, Dienvidkurzemes novads, Latvia, near the Baltic Sea coast.
The plant serves a population of 1,316 people, classifying it as a small agglomeration under EU wastewater regulations.
The plant discharges treated wastewater into local watercourses that drain into the Baltic Sea, a sensitive marine environment.
The plant provides secondary treatment, which is the minimum standard required by the EU Urban Waste Water Treatment Directive for agglomerations of its size.
As a Latvian plant serving fewer than 2,000 people, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for all agglomerations above 2,000 population equivalent. For smaller plants, national regulations apply, but the plant voluntarily meets secondary treatment standards.
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