Norman Dam

Norman Dam is an earth dam located in Dawes County, Nebraska, built in 1927. It carries a Significant hazard potential classification and has a fair condition assessment.

Hazard potentialSignificantFailure could cause major damage
ConditionFair2nd of 4 ratings
Emergency action planNot reported
Last inspection04/07/2022
Height40 ft
Built192799 years ago

Dam profile

NID height · 40 ft
40 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

40 ft tall and 550 ft long, taller than 86% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.

About Norman Dam

The primary purpose of Norman Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Cynthia Walgren Et Al (private). It impounds the Tr-white River near Whitney.

The dam stands 40 feet tall and stretches 550 feet across, creates a reservoir covering 78 acres, has a maximum storage capacity of 1,503 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1927, the structure is well-established, with more than 75 years of service.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 04/07/2022.

At 40 feet, this dam is taller than 86% of dams nationwide.

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Location

StateNebraska
CountyDawes
Nearest CityWhitney
River/StreamTr-white River
Coordinates42.75637, -103.22717

Physical Characteristics

Dam TypeEarth
NID Height40 ft
Dam Height40 ft
Dam Length550 ft
Year Completed1927 (99 years old)

Storage & Hydraulics

NID Storage1,503 acre-ft
Max Storage1,503 acre-ft
Normal Storage776 acre-ft
Surface Area78 acres
Drainage Area1 sq mi
Max Discharge785 cfs

Ownership & Safety

PurposeIrrigation
OwnerCynthia Walgren Et Al
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection04/07/2022
Emergency Action PlanNot Required

Identifiers

NID IDNE00801
Federal IDNE00801
More InfoState Dam Safety Program