One river two countries (HU-AT) re-establish the longitudinal connectivity
The water mills and water intake has been disrupt longitudinal connectivity of the Rába river for centuries. Rába river hydrology catchment area 10.270 km2 (1/3 in Austria, 2/3 in Hungary length 283 km. (in Hungary 212 km, and 71 km in Austria) low water flow 5 m3/sec. high water flow 1.000 m3/sec. ecological flow 4 m3/sec. In the middle section of the River Rába at Nick, there has been a dam since 1932 to supply water for agricultural purposes. Now days the function changed for ecological water supply.