Sefidrud Dam and Hydroelectric Plant
Dam and hydroelectric scheme, 1,765 million m3 nominal reservoir, 1,158 million m3 remaining after siltation; 2,500 million m3/year nominal regulated water and 2,100 million m3/year at present; 87.5 MW nominal; 189,832 ha of paddy irrigation in the Gilan and Fumanat plains in Iran.
The record
- Country
- Iran
- Location
- Manjil
- Coordinates
- 36.759, 49.388
- Technology
- Dam and hydroelectric scheme
- Capacity
- 1,765 million m3 nominal reservoir, 1,158 million m3 remaining after siltation; 2,500 million m3/year nominal regulated water and 2,100 million m3/year at present; 87.5 MW nominal; 189,832 ha of paddy irrigation in the Gilan and Fumanat plains
- Capital cost
- —
- Stage
- Operational
- Owner or client
- Gilan Regional Water Company
- Contractor
- Saser (France)
- Operator
- Gilan Regional Water Company
- Finance
- Government of Iran
- Award or start year
- 1954
- Commissioned
- 1962-04
Record last checked 2026-09-20.
History
- 1953-02
study contract signed with the Etco-Ofer consultants
- 1953-07
preliminary design submitted
- 1954-02
final design submitted
- 1954-12
the French contractor Saser begins preliminary works
- 1956-02
the definitive contract for the dam and its ancillary works is signed
- 1962-02
the dam body is completed
- 1962-04
the dam is formally inaugurated and enters service (Ordibehesht 1341)
Sources
2 references
Every field in the record above is taken from the references below. A field that none of them confirms prints as a dash.
- Gilan Regional Water Company, Sefidrud storage dam (static page, Persian). glrw.ir.
- MENA Water Review major projects register and PPP pipeline — compiled from procurer publications, development-bank project pages and trade reporting; each record names its source.
Buttress gravity dam on the Sefidrud below the confluence of the Qezel Owzan and the Shahrud, 75 km south of Rasht beside Manjil; 106 m high from foundation and 86 m from the river bed, crest length 425 m, crest width 8 m, foundation width 106 m, crest elevation 276.95 m; maximum permitted reservoir level 276.25 m and minimum operating level 240 m; reservoir 25 km long on the Qezel Owzan arm and 13 km on the Shahrud arm over an initial 54 km2 at normal level; catchment 56,200 km2; two morning-glory spillways of 3,000 m3/s, two side spillways of 2,000 m3/s and five bottom outlets of 980 m3/s for a total discharge capacity of 6,000 m3/s; mean long-term sediment load 48 million tonnes a year.