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 376400 of 1,283

Dam NameHeight (ft)YearHazardCondition
Enl. West Pearson Stock

Campbell County

391958LowFair
Enl. Willow Creek No. 2

Albany County

421981LowFair
Enl. Windy Point

Washakie County

30LowPoor
Erramouspe

Sublette County

151957LowFair
Eshom

Platte County

281947LowPoor
Ethel #3

Sheridan County

282008LowPoor
Ethyl No. 2

Johnson County

251969LowFair
Ewen

Big Horn County

401946LowPoor
Ewen - Pence Gulch

Big Horn County

301953LowPoor
Experiment Station

Laramie County

231932LowFair
Falxa No. 1

Johnson County

251958LowPoor
F.C.R. Detention

Campbell County

201968LowFair
Feldspar

Johnson County

432009LowFair
Fiddlers Lake

Fremont County

81936LowNot Rated
Field

Weston County

201958LowPoor
Field 9-207-5

Weston County

341965LowNot Rated
Fields

Niobrara County

251953LowPoor
Finley

Carbon County

301977LowPoor
First Enl. Joe Budd

Sublette County

191941LowFair
Fisher

Johnson County

241968LowPoor
Fish Stockwater

Johnson County

441971LowFair
Fitzgerald

Campbell County

251944LowFair
Fivemile No.1

Weston County

231954LowFair
Five Springs No. 1

Big Horn County

241970LowPoor
Five Springs No. 2

Big Horn County

321970LowPoor
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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.