Swedeburg 2b-1

Swedeburg 2b-1 is an earth dam located in Saunders County, Nebraska, built in 1957. It carries a Low hazard potential classification and has a satisfactory condition assessment.

About Swedeburg 2b-1

The primary purpose of Swedeburg 2b-1 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Lower Platte North Natural Resources District (local government). It impounds the Tr-wahoo Creek near Ithaca.

The dam stands 34 feet tall and stretches 1,150 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 526 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1957, the structure is well into its service life at over 50 years old.

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 06/23/2021.

At 34 feet, this dam is taller than 80% of dams nationwide.

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Low HazardSatisfactory ConditionEmergency Action Plan: Not Required

Location

StateNebraska
CountySaunders
Nearest CityIthaca
River/StreamTr-wahoo Creek
Coordinates41.15990, -96.61495

Physical Characteristics

Dam TypeEarth
NID Height34 ft
Dam Height29 ft
Dam Length1,150 ft
Year Completed1957 (69 years old)

Storage & Hydraulics

NID Storage526 acre-ft
Max Storage526 acre-ft
Normal Storage15 acre-ft
Surface Area6 acres
Drainage Area1 sq mi
Max Discharge2,021 cfs

Ownership & Safety

PurposeFlood Risk Reduction
OwnerLower Platte North Natural Resources District
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection06/23/2021
Emergency Action PlanNot Required

Identifiers

NID IDNE00049
Federal IDNE00049
More InfoState Dam Safety Program

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