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Dossier #666 · GRanD 90

Fern Ridge

🇺🇸United States · Long Tom River River

Built 1941 · Dam · data quality: Good

Flood controlRecreation
Reservoir outline · simplified

Specifications

Height
15 m
Crest length
2,015 m
Reservoir capacity
149.3 MCM
Reservoir area
26.7 km²
Average depth
5.6 m
Catchment
687 km²
Avg discharge
23,230 L/s
Elevation
111 masl
Degree of regulation
20.4 %

Notes

Built 1941

Provenance

Record 666 of the Global Dam Watch v1.0 database (CC BY 4.0), original source: GRanD, year via GRanD. Coordinates are river-snapped: 44.1175, -123.2969.