Dams in Nez Perce County, Idaho

4Total Dams
2High Hazard
2Significant

Dam Safety in Nez Perce County, Idaho

Nez Perce County has 4 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 2 carry a significant hazard classification.

The average dam in Nez Perce County is 83 years old. The most common purpose is irrigation. The tallest dam is Soldiers Meadow Dam at 69 ft.

Data note: Hazard potential describes the consequences if a dam failed; it does not predict the likelihood of failure. Inspection, condition, and emergency-plan fields can be incomplete or delayed. Check state dam-safety officials and local emergency managers for official guidance.
DamHazardConditionHeight (ft)PurposeYear
Soldiers Meadow DamHighNot Available69Irrigation1922
Reservoir A DamHighNot Available61Irrigation1907
Sunset PalisadesSignificantFair41Irrigation1973
Thompson No 1 Main DamSignificantFair17Irrigation1967