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Dossier #28120

LOWER GRANITE LOCK AND DAM

🇺🇸United States · SNAKE RIVER River · near PASCO

Built 1975 · Dam · data quality: Fair

HydroelectricityRecreationNavigationFisheries
Reservoir outline · simplified

Specifications

Height
69 m
Crest length
975 m
Reservoir capacity
598.2 MCM
Reservoir area
6.8 km²
Average depth
87.4 m
Catchment
247,546 km²
Avg discharge
1,722,150 L/s
Elevation
222 masl
Degree of regulation
1.1 %

Notes

Built 1975

Provenance

Record 28120 of the Global Dam Watch v1.0 database (CC BY 4.0), original source: GOODD-NID, year via NID. Coordinates are river-snapped: 46.6588, -117.4297.