Donau Altarm, Greifenstein

Austria River 2 - Good

The Donau Altarm (Danube Old Arm) at Greifenstein is an old channel of the Danube River created in 1985 during the construction of the Greifenstein hydroelectric power plant in Austria. It serves as a designated bathing water body monitored for recreational swimming.

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Water

Old arm of the Danube River (Fluss), formed as a secondary channel following hydroelectric power plant construction. Physical characteristics including depth and water renewal time are documented in the monitoring profile.

Location

Located in Greifenstein, Lower Austria (Niederösterreich), in the district (Bezirk) of Tulln. Contact: Bezirkshauptmannschaft Tulln, Hauptplatz 33, 3430 Tulln an der Donau, Tel: 022729025-0, Email: post.bhtu@noel.gv.at

Facilities

Showers and toilets available. Waste disposal facilities provided. Dog and pet regulations in place. Various recreational activities permitted.

Season

Monitored according to the Bathing Water Regulation (Badegewässerverordnung); specific seasonal dates not detailed in available text

Water Quality

Microbiological bathing water quality monitored over the past 5 years. Assessment includes evaluation of potential pollution sources (point and diffuse sources) and their correlation with threshold and limit value exceedances. Ecological and chemical status of the surface water body documented.

Risks

Potential risks from point sources and diffuse pollution sources within the water body's influence area. Assessment of short-term pollution events (less than 72 hours duration) documented. Risk evaluation for cyanobacterial and macroalgal blooms conducted.