Overview
Kardla Roosna reoveepuhasti is an advanced wastewater treatment plant in Hausma küla, Estonia, serving 2,700 people. It discharges treated water near the Baltic Sea coast.
Kardla Roosna reoveepuhasti is a municipal wastewater treatment plant located in Hausma küla, Hiiumaa vald, Hiiu maakond, Estonia. The plant serves a population of 2,700 and has a designed capacity of 4,400 cubic meters per day, with an average discharge volume of 622.08 cubic meters per day. The plant employs advanced treatment processes, which go beyond secondary treatment to remove nutrients and other pollutants. As an Estonian facility, it operates under the European Union's Urban Waste Water Treatment Directive (91/271/EEC), which requires advanced treatment for discharges into sensitive areas, including coastal waters. The plant's treated effluent is discharged into the local environment near the Baltic Sea coast. Hiiumaa Island's watershed drains into the Baltic Sea, a brackish inland sea with sensitive ecosystems. The advanced treatment helps protect the coastal waters and marine life from nutrient pollution.
Environmental context
The plant is located on Hiiumaa Island, within 10 km of the Baltic Sea coast. The Baltic Sea is a brackish water body with limited water exchange, making it sensitive to nutrient inputs. The advanced treatment at this plant helps reduce nitrogen and phosphorus loads, protecting the sea's ecological balance and supporting marine biodiversity.
Frequently asked questions
Kardla Roosna reoveepuhasti is located in Hausma küla, Hiiumaa vald, Hiiu maakond, Estonia, near the town of Kärdla on Hiiumaa Island.
The plant serves a population of approximately 2,700 people in the Hausma küla area.
The plant discharges treated wastewater into the local environment near the Baltic Sea coast. Its advanced treatment ensures high-quality effluent to protect the sensitive coastal ecosystem.
The plant provides advanced treatment, which includes nutrient removal beyond secondary treatment. This is required under the EU Urban Waste Water Treatment Directive for discharges into sensitive areas like the Baltic Sea.
As an Estonian plant, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates advanced treatment for agglomerations over 10,000 PE discharging into sensitive areas. For smaller plants like this, advanced treatment is still applied to protect the Baltic Sea.
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