Overview
NAI Lorupe wastewater treatment plant serves Sigulda, Latvia, with a population equivalent of 9,550. The facility operates under EU Urban Waste Water Treatment Directive standards for medium agglomerations.
NAI Lorupe is a wastewater treatment plant located near Sigulda, Latvia, serving a population equivalent of 9,550. The plant is situated along the Riga-Sigulda-Estonia border route, providing municipal wastewater treatment for this medium-sized agglomeration in the Sigulda region. As a facility in Latvia, NAI Lorupe operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations between 2,000 and 10,000 population equivalent discharging into freshwater. The plant's designed capacity is 1.00 (likely in thousand cubic meters per day or similar units), supporting its role in managing local wastewater. The treated effluent from NAI Lorupe ultimately drains into the Gauja River basin, which flows through the Gauja National Park and into the Baltic Sea via the Gulf of Riga. The plant plays a key role in protecting the Gauja River ecosystem, which supports diverse aquatic life and is an important recreational and ecological corridor in northern Latvia.
Environmental context
NAI Lorupe discharges into the Gauja River basin, which flows through the Gauja National Park and eventually reaches the Gulf of Riga in the Baltic Sea. The Gauja River supports diverse aquatic species and is a vital migratory corridor for fish. The plant's treatment helps maintain water quality in this ecologically sensitive watershed, which is important for both biodiversity and regional tourism.
Frequently asked questions
NAI Lorupe is located near Sigulda, Latvia, along the Riga-Sigulda-Estonia border route in the Sigulda region.
The plant serves a population equivalent of 9,550, classifying it as a medium agglomeration under EU regulations.
Treated effluent from NAI Lorupe is discharged into the Gauja River basin, which flows through the Gauja National Park and into the Gulf of Riga in the Baltic Sea.
As a Latvian plant, NAI Lorupe operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for agglomerations of this size discharging into freshwater.
For medium agglomerations (2,000-10,000 PE) in Latvia, the EU UWWTD requires secondary treatment, which typically involves biological processes to reduce organic matter and suspended solids.
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