Thaya in Břeclav
|Origin||near Panenská Rozsíčka|
|Basin countries||Czech Republic, Austria|
|Source elevation||410 m|
|Mouth elevation||148 m|
|Avg. discharge||43.9 m³/s|
|Basin area||13,419 km²|
The Thaya (Czech: Dyje [ˈdɪjɛ]) is a river in Central Europe, the longest tributary to the Morava River. It is about 235 km (311 km with its longest source) long and meanders from west to east in the border area between Lower Austria (Austria) and South Moravia (Czech Republic), though the frontier does not exactly follow the river's course in most parts. Its source is in two smaller rivers, namely the German Thaya (Deutsche Thaya) and the Moravian Thaya (Czech: Moravská Dyje, German: Mährische Thaya), flowing together at Raabs.
Thaya gathers waters from the western half of Moravia and the adjacent part of Lower Austria. Its biggest tributaries are Svratka and Jihlava, flowing together into the middle one of the Nové Mlýny reservoirs.
Important cities and towns along the Thaya:
- Raabs an der Thaya
- Vranov nad Dyji
- Laa an der Thaya
All the dams are situated in Czech Republic. They are used for irrigation, hydroenergetics and flood protection.
|Dam Name||Dimension Level Altitude||Qav||Q100||Qmax.||Power Station||Type||Qpp|
|Nove Mlyny I (upper reservoir)||171,4||13.3m3s−1||290m3s−1||see lower reservoir||N/A||N/A||N/A|
|Nove Mlyny II (middle reservoir)||170,35||40.9m3s−1||see lower reservoir||see lower reservoir||N/A||N/A||N/A|
|Nove Mlyny III (lower reservoir)||170,35||40.9m3s−1||820m3s−1||657m3s−1||2.4 MW||run-of-the-river||48m3s−1|
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