The Venda Nova dam started operating in 1951 and is fed by the Rabagão river. Venda Nova is a 97-meter high gravity arc dam. It belongs to the main river basin of the Cávado River and has its own river basin of 136.58 km⊃2;.
Barragem da Venda Nova
Vieira do Minho
Its reservoir has a surface floodable to NPA (Full Storage Level) of 400 hectares. The water levels in the reservoir are: NPA (Full Storage Level) of 700.00 meters, NMC (Maximum Flood Level) of 701.00 meters and NmE (Minimum Exploration Level) of 641.00 meters.
The capacity of the unloader is 1100 m⊃3; / s and the average annual flow is 284 hm3.