Dossier #28079
John Day
🇺🇸United States · Columbia River
Built 1968 · Dam · data quality: Fair
Reservoir outline · simplified
Specifications
- Reservoir capacity
- 297.8 MCM
- Reservoir area
- 16.1 km²
- Average depth
- 18.5 m
- Catchment
- 571,006 km²
- Avg discharge
- 5,449,719 L/s
- Elevation
- 77 masl
- Degree of regulation
- 0.2 %
Notes
Built 1968
Provenance
Record 28079 of the Global Dam Watch v1.0 database (CC BY 4.0), original source: GOODD, year via NID. Coordinates are river-snapped: 45.7161, -120.6921.