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 601625 of 2,990

Dam NameHeight (ft)YearHazardCondition
Couch Coulee #2

Hill County

201940LowNot Rated
Couch Coulee #3

Hill County

151941LowNot Rated
Coulter #1

Garfield County

251955LowNot Rated
Coulter #2

Garfield County

251956LowNot Rated
Courtney Herefords #3

Carter County

141960LowNot Rated
Cowan Reservoir

Chouteau County

201936LowNot Rated
Cow Creek

Blaine County

43SignificantNot Rated
Cowpath Dam

Toole County

651967HighSatisfactory
Cracker

Pondera County

351915SignificantNot Rated
Cramer (Sweet Grass)

Sweet Grass County

151960LowNot Rated
Crandall Reservoir

Roosevelt County

201937LowNot Rated
Crazy Creek Reservoir

Fergus County

301946LowNot Rated
Crazy Mountain Ranch

Park County

361968HighSatisfactory
Crazy Sombreo

Meagher County

581950SignificantNot Rated
Creedman Coulee Dam

Hill County

221938LowFair
Crisafulli Lake

Dawson County

221959HighSatisfactory
Crooked Man Dam

Toole County

251960LowNot Rated
Crosby #3

Rosebud County

181967LowNot Rated
Crosby #4

Rosebud County

281967LowNot Rated
Cross

Sanders County

101963LowNot Rated
Crow

Lake County

991933HighPoor
Crow #1

McCone County

301950LowNot Rated
Crow #12

Big Horn County

181960LowNot Rated
Crow #19

Big Horn County

101934LowNot Rated
Crow #2

McCone County

301973SignificantNot 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.