Don Alt Dam

Low HazardPoor ConditionEmergency Action Plan: Not Required

Location

StateNebraska
CountyPolk
Nearest CitySURPRISE
River/StreamTR-BIG BLUE RIVER
Coordinates41.09044, -97.43107

Physical Characteristics

Dam TypeEarth
NID Height21 ft
Dam Height19 ft
Dam Length610 ft
Year Completed1969 (57 years old)

Storage & Hydraulics

NID Storage110 acre-ft
Max Storage110 acre-ft
Normal Storage14 acre-ft
Surface Area5 acres
Drainage Area0 sq mi
Max Discharge673 cfs

Ownership & Safety

PurposeFlood Risk Reduction
OwnerPolk County
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentPoor
Last Inspection06/21/2022
Emergency Action PlanNot Required

Identifiers

NID IDNE00012
Federal IDNE00012
More InfoState Dam Safety Program

Nearby Dams

Torell Dam 2.6 mi Low Miller Dam 1653 3.0 mi Low Thelen Dam 3.0 mi Low Teegerstrom Dam 3.4 mi Low Double Dutch Dairy Lagoon Dam (3 Cells) 3.4 mi Low Moore Dam 2 3.6 mi Low Mentink Dam 1591 5.2 mi Low Ransom Dam 1747 6.3 mi Low Ransom Dam 1287 6.7 mi Low Dey Dam 6.8 mi Low