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 326350 of 856

Dam NameHeight (ft)YearHazardCondition
Oconnor Puddle

Klamath County

131969LowNot Rated
Ochoco Dam

Crook County

1461920HighNot Available
Oberg Reservoir

Yamhill County

381970LowNot Rated
Obenchain Reservoir

Klamath County

301958LowNot Rated
Oakridge Mill Log Pond

Lane County

141947LowNot Rated
North Fork Diversion Dam

Jackson County

551928HighFair
North Fork Diversion Dam

Jackson County

501965SignificantNot Rated
North Fork

Benton County

831960HighFair
North Fork

Clackamas County

2071958HighSatisfactory
North Canal Diversion

Deschutes County

351906HighFair
Noble Reservoir 1

Klamath County

121961LowNot Rated
N. Fk. Indian Creek Reservoir

Malheur County

591951LowNot Rated
New England Bolt and Thread Reservoir

Yamhill County

15LowNot Rated
Nelson Reservoir No. 1

Jackson County

361957LowNot Rated
Neil Creek Reservoir

Marion County

391955SignificantNot Rated
Murray Reservoir

Baker County

211927LowNot Rated
Murphy Dam

Malheur County

621950LowNot Rated
Munn Reservoir

Baker County

231947LowNot Rated
Multnomanh Channel Dam #2

Multnomah County

12LowNot Rated
Mulkey, Gryland Reservoir

Polk County

101981LowNot Rated
Muhs Quarry Dam

Yamhill County

40SignificantNot Rated
Mud Lake

Lake County

231962LowNot Rated
Mud Flat Reservoir

Malheur County

181917LowNot Rated
Muddy Creek Reservoir

Lake County

261962SignificantNot Rated
Mud Creek Dam

Malheur County

71961LowNot 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.