| ALFÂNDEGA DA FÉ DAM (Esteveínha) | |
| PURPOSE - Water supply / Irrigation | |
| LOCATION | GENERAL FEATURES |
| District -
Bragança Municipality - Alfândega da Fé Site - Esteveínha River Basin - Douro River - Alambiques river |
Promoting entity
- INAG Owner (RSB) - INAG Engineering by - FGLNT Construction by - Bento Pedroso & Filhos, Lda Project year - 1968 Year of completion - 1970 |
| HYDROLOGY | RESERVOIR |
| River basin area
- 0,7 km2 |
Reservoir area -
220 x 1000m2 Gross capacity - 1600 x 1000m3 Effective storage - 1300 x 1000m3 Dead storage - 300 x 1000m3 Normal water level (NWL) - 626,5 m Maximum flood level (MFL) - 626,7 m Minimum operating level - 607 m |
| DAM | |
| Earthfill - Homogeneous
embankment Height above foundation - 27 m Height above streambed - 25 m Crest elevation - 628 m Crest length - 750 m Crest width - 6 m Foundation - Porphiry, schist and greywacke Volume of dam body - 520 x 1000 m3 |
|
| SPILLWAY | BOTTOM OUTLET |
| Location - Saddle
at left embankment Control type - Uncontrolled Spillway type - Chute spillway Sill elevation - 626,5 m Sill length - 3,7 m Maximum discharge - 1 m3/s Energy dissipation - Hydraulic jump |
Location - Right
bank Type - Conduit under the embankment Section - d 0,60 m Maximum discharge - 2,5 m3/s Upstream control - Sluice gate Downstream control - Knife gate valve |