Montana Dams

2,990 dams tracked by the National Inventory of Dams

Total Dams

2,990

High Hazard

188

6.3%

Poor / Unsatisfactory

132

Average Age

74 yrs

Hazard Classification

High188 (6.3%)
Significant193 (6.5%)
Low2,606 (87.2%)

Condition Assessment

Satisfactory113 (3.8%)
Fair44 (1.5%)
Poor / Unsatisfactory132 (4.4%)
Not Rated2,701 (90.3%)

Federal

278

State

151

Local

84

Private

2,466

All Dams in Montana

Showing 11511175 of 2,606

Dam NameHeight (ft)YearHazardCondition
Hook #31

Rosebud County

181957LowNot Rated
Hook #37

Rosebud County

251950LowNot Rated
Hook #39

Rosebud County

181957LowNot Rated
Hook #4

Rosebud County

341955LowNot Rated
Hook #46

Rosebud County

201952LowNot Rated
Hook #49

Rosebud County

181951LowNot Rated
Hook #50

Rosebud County

181958LowNot Rated
Hook #51

Rosebud County

331950LowNot Rated
Hook #52

Rosebud County

201968LowNot Rated
Hook #55

Rosebud County

331958LowNot Rated
Hook #59

Rosebud County

171954LowNot Rated
Hook #61

Rosebud County

161957LowNot Rated
Hook #62

Rosebud County

351960LowNot Rated
Hook #64

Rosebud County

151954LowNot Rated
Hook #67

Rosebud County

191960LowNot Rated
Hook #69

Rosebud County

151959LowNot Rated
Hook #70

Rosebud County

271953LowNot Rated
Hook #72

Rosebud County

221970LowNot Rated
Hook #8

Rosebud County

171950LowNot Rated
Hook #9

Rosebud County

161945LowNot Rated
Hooker

Garfield County

151938LowNot Rated
Hoover Creek Dam

Powell County

251972LowNot Rated
Hope Et Al #1

Treasure County

151959LowNot Rated
Horab

Roosevelt County

321945LowNot Rated
Horgan Reservoir

Valley County

201952LowNot Rated
PreviousPage 47 of 105Next

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