BASTELOS DAM

PURPOSE - Water supply
LOCATION GENERAL FEATURES
District - Braganša
Municipality - Mogadouro
Site - Penas Roias
River basin - Douro
River - Bastelos river
Promoting entity - C. M. Mogadouro
Owner (RSB) - C. M. Mogadouro
Engineering by - Eng¬ Etelvina M. Abreu Neto
Construction by - Transnorte, Lda.
Year of completion - 1993
HIDROLOGY RESERVOIR
River basin area - 26 km2
Mean annual runoff - 3449 x 1000 m3
Flood runoff - 153 m3/s
Return period - 1000 years
Reservoir area - 176 x 1000m2
Gross capacity - 1200 x 1000m3
Normal water level (NWL) - 624 m
Maximum flood level (MFL) - 625,4 m
DAM
Fill - Draining rockfill
Height above foundation - 23,2 m
Height above foundation - 22 m
Crest elevation - 625,5 m
Crest length - 122 m
Foundation - Schists
SPILLWAY BOTTOM OUTLET
Location - Center
Control type - Uncontrolled
Spillway type - Draining rockfill
Sill elevation - 624 m
Sill length - 45 m
Maximum discharge - 130 m3/s
Location - Left bank
Type - Conduit under the embankment
Upstream control - Knife gate valve
Downstream control - Knife gate valve


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