Dams in Umatilla, Oregon

11
Total Dams
3
High Hazard
2
Significant
70.3 yrs
Avg Age
Hazard Name Height
Dam Name Hazard Height Built Type State
Indian Lake Umatilla High Hazard — 1969 Earth Oregon
Cold Springs Umatilla High Hazard 100 ft 1907 Earth Oregon
Mckay Umatilla High Hazard 165 ft 1926 Earth Oregon
Meacham Lake Dam Umatilla Significant Hazard 14 ft — Earth Oregon
Simplot Waste Lagoon #1 Umatilla Significant Hazard 46 ft — Earth Oregon
Walchli Reservoir Umatilla Low Hazard 30 ft 1980 Other Oregon
Milton-Freewater Lagoon N-3 Umatilla Low Hazard 12 ft 1988 Earth Oregon
Three Mile Falls Diversion Umatilla Low Hazard 28 ft 1913 Concrete Oregon
Langdon Lake Dam Umatilla Low Hazard 12 ft 1930 Earth Oregon
Simplot Hermiston #2 (Lagoon) Umatilla Low Hazard 32 ft 2002 Earth Oregon
Weston Eda Wwt Lagoon Umatilla Low Hazard 19 ft 1986 Earth Oregon