Dams in Lyon County, Nevada

13Total Dams
2High Hazard
4Significant

Dam Safety in Lyon County, Nevada

Lyon County has 13 dams tracked in the National Inventory of Dams. Of these, 2 are classified as high hazard — meaning failure would probably cause loss of human life. Another 4 carry a significant hazard classification. Currently, 6 dams have a condition assessment of poor or unsatisfactory.

The average dam in Lyon County is 53 years old. The most common purpose is flood risk reduction. The tallest dam is Yerington Mill Dam at 90 ft.

DamHazardConditionHeight (ft)PurposeYear
Sheep Camp Detention DamHighPoor16Flood Risk Reduction
Eldorado Canyon Dam (herman Reservoir)HighNot Rated0Flood Risk Reduction1972
Yerington Mill DamSignificantNot Rated90Tailings
Mason Valley Refuge North Pond DamSignificantFair16Fish and Wildlife Pond1997
Fort Churchill Power Plant Cooling PondSignificantFair11Flood Risk Reduction
Yerington No 2 DamSignificantUnsatisfactory10Tailings
Nuti Storage DamLowFair28Irrigation1963
Fernley Pond Dam #1LowUnsatisfactory25Fish and Wildlife Pond1954
Stanley Ranch DamLowFair25Irrigation1998
Fernley Pond Dam #3LowUnsatisfactory18Fish and Wildlife Pond1958
Fernley Pond #2 DamLowUnsatisfactory17Fish and Wildlife Pond1963
Yerington Bb DamLowUnsatisfactory10Tailings
Aspen Creek Ribs DamLow7Flood Risk Reduction