Dams in Lincoln County, Wyoming

21Total Dams
3High Hazard
2Significant

Dam Safety in Lincoln County, Wyoming

Lincoln County has 21 dams tracked in the National Inventory of Dams. Of these, 3 are classified as high hazard — meaning failure would probably cause loss of human life. Another 2 carry a significant hazard classification. Currently, 9 dams have a condition assessment of poor or unsatisfactory.

The average dam in Lincoln County is 67 years old. The most common purpose is irrigation. The tallest dam is Fontenelle Dam at 139 ft.

DamHazardConditionHeight (ft)PurposeYear
Fontenelle DamHighNot Available139Fish and Wildlife Pond1964
Viva NaughtonHighFair90Water Supply1967
KemmererHighPoor30Water Supply1942
Fgd Effluent #4SignificantFair63Tailings2010
Fgd Effluent Pond #5SignificantSatisfactory58Tailings2018
Units 1 And 2 Ash And Clear WaterLowFair88Debris Control1994
Unit 3 Ash And Clear WaterLowFair61Debris Control1994
Unit 3 Fgd Evaporation Pond 1LowFair40Flood Risk Reduction1990
Lower AftonLowSatisfactory30Hydroelectric1942
PhillipLowPoor27Irrigation1953
Skull Point DamLowNot Rated271941
Colletti No. 2LowPoor26Irrigation1927
Q-pLowPoor26Irrigation1914
RicheyLowPoor25Irrigation1917
ThomanLowPoor25Irrigation1945
Upper AftonLowSatisfactory25Hydroelectric1942
Settling BasinLowFair24Debris Control1985
Davis No. 2LowPoor17Irrigation1955
KovachLowPoor16Fire Protection, Stock, Or Small Fish Pond1988
FranklinLowPoor12Irrigation1911
Cottonwood LakeLowNot Rated10Recreation1925