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 351375 of 1,490

Dam NameHeight (ft)YearHazardCondition
Double L

Platte County

261965LowNot Rated
Double Wide

Sheridan County

322004LowFair
Douglas Fishing Lake No. 1

Converse County

281954SignificantUnsatisfactory
Doyen

Johnson County

251956LowPoor
Dresher

Campbell County

251940LowFair
Driskill No. 1

Crook County

281984LowFair
Dry Creek

Johnson County

251958LowPoor
Dry Creek No. 1

Converse County

311967LowFair
Dry Muddy

Natrona County

191933LowPoor
Dry Poison Irrigation

Johnson County

361970LowPoor
Duck Creek No. 1

Albany County

361951LowPoor
Duck Nest Reservoir

Campbell County

221998LowFair
Duck Pond No. 5

Carbon County

132004LowPoor
Dull

Converse County

291937LowFair
Dull Knife

Johnson County

801966HighFair
Dump Draw

Johnson County

422019HighSatisfactory
Duncan

Sheridan County

331939LowPoor
Dunning Senw S 32

Sheridan County

292013LowFair
Dunning Sese S 32 #2

Sheridan County

272013LowFair
Dunn No. 1

Converse County

271954LowPoor
Durham

Campbell County

221973LowPoor
Durham 44-16-4472

Campbell County

211982LowFair
Dutton Creek

Albany County

311911LowFair
Dwight

Johnson County

341953LowFair
Eagle Canyon

Natrona County

231924LowPoor
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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.