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 13761400 of 1,490

Dam NameHeight (ft)YearHazardCondition
Big Donaldson

Johnson County

221973LowFair
Big Delaney

Weston County

251970LowPoor
Big Dam

Campbell County

24LowFair
Big Chief Dam

Natrona County

321964LowUnsatisfactory
Big Boy

Johnson County

331969LowPoor
Betty No. 1

Converse County

331956LowPoor
Betty

Crook County

311957LowFair
Bethurem

Big Horn County

151918LowPoor
Bergman Lake

Teton County

121953LowPoor
Berger

Crook County

211954LowFair
Berdine Stock

Albany County

271989LowPoor
Bentley

Natrona County

261960LowFair
Bench Canal

Big Horn County

351969LowFair
Ben

Johnson County

291960LowPoor
Bell & Scranton No. 2

Albany County

251947LowPoor
Bell and Scranton No. 1

Albany County

351966SignificantFair
Bell

Albany County

381957LowPoor
Belknap Creek No. 4

Park County

231917LowFair
Belknap Creek No. 1

Park County

201917LowPoor
Belish

Sheridan County

281952LowPoor
Beery

Albany County

131911LowPoor
Bedstead No. 2

Washakie County

26LowFair
Beck Lake

Park County

111970SignificantFair
Beavers

Carbon County

171918LowPoor
Beardsley No. 1

Niobrara County

271962LowFair
PreviousPage 56 of 60Next

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