Swan Creek 12

Swan Creek 12 is an earth dam located in Saline County, Nebraska, built in 1997. It carries a Low hazard potential classification and has a satisfactory condition assessment.

Hazard potentialLowFailure would cause limited damage
ConditionSatisfactoryBest of 4 ratings
Emergency action planNot reported
Last inspection10/03/2019
Height37 ft
Built199729 years ago

Dam profile

NID height · 37 ft
37 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

37 ft tall and 1,136 ft long, taller than 83% 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 Swan Creek 12

The primary purpose of Swan Creek 12 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 Big Blue Natural Resources District (local government). It impounds the Tr-n Fk Swan Creek near Swanton.

The dam stands 37 feet tall and stretches 1,136 feet across, creates a reservoir covering 33 acres, has a maximum storage capacity of 955 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1997, the structure is 29 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 10/03/2019.

At 37 feet, this dam is taller than 83% of dams nationwide.

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Location

StateNebraska
CountySaline
Nearest CitySwanton
River/StreamTr-n Fk Swan Creek
Coordinates40.40920, -97.14282

Physical Characteristics

Dam TypeEarth
NID Height37 ft
Dam Height30 ft
Dam Length1,136 ft
Year Completed1997 (29 years old)

Storage & Hydraulics

NID Storage955 acre-ft
Max Storage955 acre-ft
Normal Storage179 acre-ft
Surface Area33 acres
Drainage Area3 sq mi
Max Discharge575 cfs

Ownership & Safety

PurposeFlood Risk Reduction
OwnerLower Big Blue Natural Resources District
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection10/03/2019
Emergency Action PlanNot Required

Identifiers

NID IDNE02451
Federal IDNE02451
More InfoState Dam Safety Program