Oregon Dams

856 dams tracked by the National Inventory of Dams

Total Dams

856

High Hazard

155

18.1%

Poor / Unsatisfactory

47

Average Age

67 yrs

Hazard Classification

High155 (18.1%)
Significant166 (19.4%)
Low535 (62.5%)

Condition Assessment

Satisfactory62 (7.2%)
Fair39 (4.6%)
Poor / Unsatisfactory47 (5.5%)
Not Rated708 (82.7%)

Federal

122

State

14

Local

94

Private

603

Tallest Dams

High Hazard Dams

Poor Condition Dams

All Dams in Oregon

Showing 2650 of 535

Dam NameHeight (ft)YearHazardCondition
Werner (Upper)

Josephine County

281973LowNot Rated
Welch Reservoir (Widman #2)

Baker County

121890LowNot Rated
Weaver Reservoir

Douglas County

221970LowNot Rated
Watson Reservoir

Crook County

341970LowNot Rated
Wastewater Lagoon #4

Lake County

15LowNot Rated
Walls Lake Dam

Harney County

162004LowFair
Waller No. 3

Grant County

711965LowNot Rated
Wallace Ingebrand

Polk County

111979LowNot Available
Walker Reservoir 2

Polk County

121977LowNot Rated
Walchli Reservoir

Umatilla County

321980LowNot Rated
Wahkeena Rearing Reservoir

Multnomah County

191961LowNot Rated
Vaughn Reservoir (Malheur)

Malheur County

701959LowNot Rated
Van Patton Lake Dam

Baker County

271929LowNot Rated
Vane Ranch Reservoir

Malheur County

331950LowNot Rated
Vanderzanden Reservoir

Washington County

211967LowNot Rated
Vandervelde Lagoon

Yamhill County

101985LowNot Rated
Vanderveer Dam

Harney County

451920LowNot Rated
Vandehey Reservoir

Washington County

121954LowNot Rated
Vandecoevering

Clackamas County

15LowNot Rated
Van Conklin Dam #6

Wasco County

502004LowNot Rated
Van Conklin Dam #5

Wasco County

261995LowNot Rated
Van Conklin Dam #4

Wasco County

181999LowNot Rated
Upper Tumalo Reservoir

Deschutes County

131961LowNot Rated
Upper Midway

Klamath County

131959LowNot Rated
Upper Clark Reservoir

Malheur County

122004LowNot Rated
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Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.