Wyoming Dams

1,490 dams tracked by the National Inventory of Dams

Total Dams

1,490

High Hazard

100

6.7%

Poor / Unsatisfactory

576

Average Age

62 yrs

Hazard Classification

High100 (6.7%)
Significant104 (7.0%)
Low1,283 (86.1%)

Condition Assessment

Satisfactory45 (3.0%)
Fair752 (50.5%)
Poor / Unsatisfactory576 (38.7%)
Not Rated117 (7.9%)

Federal

193

State

22

Local

82

Private

1,174

Tallest Dams

Poor Condition Dams

All Dams in Wyoming

Showing 126150 of 1,283

Dam NameHeight (ft)YearHazardCondition
Trail Lake Control Dam

Fremont County

71947LowPoor
Trail Creek

Park County

271952LowFair
Tracy Lake

Teton County

201928LowFair
Trabing

Johnson County

281971LowPoor
Total Station

Johnson County

332007LowPoor
Tornado Fed 4778-5 Mixed Use 1

Johnson County

232023LowFair
Toothaker

Carbon County

351967LowPoor
Tony

Campbell County

501953LowFair
Tommy Tucker Dam

Big Horn County

26LowNot Rated
Toltec

Albany County

601984LowFair
T. L.

Crook County

271970LowPoor
Tisdale No. 3

Campbell County

301990LowFair
Tipperary

Uinta County

241928LowPoor
Tim White Wetlands

Carbon County

111994LowPoor
Tillard 38-72-31 Off Channel Reservoir #4

Converse County

302023LowSatisfactory
Tibbs

Campbell County

301968LowPoor
Thunder Basin No. 95

Campbell County

281937LowNot Rated
Thunder Basin No 9

Weston County

211937LowNot Rated
Thunder Basin No 10

Campbell County

231938LowNot Rated
Three T No 1 Dam

Natrona County

231960LowPoor
Three Mile

Albany County

181904LowFair
Three Forks Dam

Natrona County

361954LowUnsatisfactory
Three Forks

Weston County

311965LowFair
Thompson

Niobrara County

371950LowFair
Thompson

Carbon County

231923LowPoor
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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.