Clapp Dam

Clapp Dam is an earth dam located in Jefferson County, Nebraska, built in 1936. It carries a Low hazard potential classification and has a satisfactory condition assessment.

About Clapp Dam

The primary purpose of Clapp Dam is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Deanna Jo & Laura Kay Smith (private). It impounds the Tr-little Blue River near Hanover.

The dam stands 38 feet tall and stretches 396 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 100 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1936, the structure is well-established, with more than 75 years of service.

This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 06/04/2020.

At 38 feet, this dam is taller than 85% of dams nationwide.

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Low HazardSatisfactory ConditionEmergency Action Plan: Not Required

Location

StateNebraska
CountyJefferson
Nearest CityHanover
River/StreamTr-little Blue River
Coordinates40.04047, -96.99044

Physical Characteristics

Dam TypeEarth
NID Height38 ft
Dam Height38 ft
Dam Length396 ft
Year Completed1936 (90 years old)

Storage & Hydraulics

NID Storage100 acre-ft
Max Storage100 acre-ft
Normal Storage60 acre-ft
Surface Area6 acres
Drainage Area0 sq mi
Max Discharge600 cfs

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerDeanna Jo & Laura Kay Smith
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection06/04/2020
Emergency Action PlanNot Required

Identifiers

NID IDNE00207
Federal IDNE00207
More InfoState Dam Safety Program

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