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High Risk Dams in Nebraska

Nebraska has 12 high hazard dams with a condition assessment of poor or unsatisfactory. These are dams where failure would probably cause loss of human life and where recognized safety deficiencies have been identified.

Of the 155 high hazard dams in Nebraska, 12 (7%) have concerning condition ratings — 12 rated poor and 0 rated unsatisfactory.

Condition scale, best to worst
  1. Satisfactory No existing or potential safety deficiencies recognized; acceptable performance expected under all loading conditions.
  2. Fair No deficiencies under normal operating conditions; a rare flood or earthquake could create one.
  3. Poor A safety deficiency is recognized under normal operating conditions; remedial action is necessary.
  4. Unsatisfactory Worst rating. The dam is considered unsafe; a deficiency requires immediate or emergency remedial action.

"Not rated" means no assessment is on file in the National Inventory of Dams.

DamCountyHeight (ft)ConditionLast inspectedPurposeYear
Beaver Lake DamCass108Poor07/16/20242 yrs agoRecreation1973
Gering Valley EScotts Bluff81Poor06/04/20242 yrs agoFlood Risk Reduction1965
Willow Creek DamPierce80Poor10/10/20241 yr agoFlood Risk Reduction1983
Blackwood Creek 11-aHayes74Poor07/01/20242 yrs agoFlood Risk Reduction1992
Gering Valley BScotts Bluff74Poor06/04/20242 yrs agoFlood Risk Reduction1964
Spring Creek 19-bDawson60Poor09/16/20242 yrs agoFlood Risk Reduction1979
Swan Creek 20Saline55Poor04/02/20242 yrs agoFlood Risk Reduction1987
Plum Creek 4-fPawnee50Poor11/12/20241 yr agoFlood Risk Reduction1969
Valentine Mill Pond DamCherry43Poor06/06/20242 yrs agoRecreation1893
Cottonwood Creek 21-aSaunders42Poor10/17/20241 yr agoFlood Risk Reduction1983
Carter P Johnson DamSioux35Poor06/04/20242 yrs agoRecreation1935
Hadwiger DamBuffalo27Poor10/02/20242 yrs agoFlood Risk Reduction1978

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