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 5175 of 543

Dam NameHeight (ft)YearHazardCondition
Trabing

Johnson County

281971LowPoor
Total Station

Johnson County

332007LowPoor
Toothaker

Carbon County

351967LowPoor
T. L.

Crook County

271970LowPoor
Tipperary

Uinta County

241928LowPoor
Tim White Wetlands

Carbon County

111994LowPoor
Tibbs

Campbell County

301968LowPoor
Three T No 1 Dam

Natrona County

231960LowPoor
Thompson

Carbon County

231923LowPoor
Thomas No. 2

Laramie County

131956LowPoor
Thomas No. 2

Weston County

231948LowPoor
Thomas No. 1

Weston County

221914LowPoor
Thomas

Park County

561949LowPoor
Thoman

Lincoln County

251945LowPoor
Tass

Johnson County

361965LowPoor
T55nr76w19sesw

Sheridan County

241960LowPoor
Swope No. 2

Niobrara County

261953LowPoor
Swan Creek No. 7

Park County

221911LowPoor
Swan Creek No. 2

Park County

151908LowPoor
Swan

Laramie County

251907SignificantPoor
Suranyi Stock

Campbell County

291953LowPoor
Sunset

Sublette County

201966LowPoor
Sundby No. 2

Albany County

261971LowPoor
Sundby

Albany County

211945LowPoor
Summit

Carbon County

251954LowPoor
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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.