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 301325 of 856

Dam NameHeight (ft)YearHazardCondition
Panther Creek Reservoir

Yamhill County

511971SignificantNot Rated
Palmer Reservoir

Crook County

371959LowNot Rated
Paiute Reservoir

Harney County

211964LowNot Rated
Painted Hills Reservoir

Wheeler County

451979LowNot Rated
Pacific Plywood Log Pond

Yamhill County

151944LowNot Rated
Oxbow Ranch Dam (Grant)

Grant County

421980LowNot Rated
Oxbow Dam (Klamath)

Klamath County

241919LowNot Rated
Owyhee Dam

Malheur County

4171932HighNot Available
Owen

Jackson County

311975LowNot Rated
Oswego Lake Dam

Clackamas County

341921SignificantNot Rated
Oscar Dam

Harney County

121975LowSatisfactory
Osburn Reservoir

Multnomah County

351967LowNot Rated
Osborne Creek

Jackson County

651964HighPoor
Oriana Reservoir

Harney County

161931LowNot Rated
Oregon Pride Nursery Dam

Yamhill County

39LowNot Rated
Oregon End Dam

Harney County

161955LowNot Rated
Opal Springs

Jefferson County

211985LowSatisfactory
Olson Reservoir (Mark)

Polk County

251988SignificantNot Rated
Olson, Phillip 2-B

Yamhill County

181977LowNot Rated
Olson Flashboard Dam

Yamhill County

161975SignificantNot Rated
Olive Lake

Grant County

391907HighNot Rated
Olalla

Lincoln County

831968HighFair
Officer Reservoir

Grant County

351970LowNot Rated
O.E.Loe Dam 2 Porter Place

Marion County

25LowNot Available
Odell, Ben

Malheur County

161954LowNot 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.