North Oak Creek 6-c

North Oak Creek 6-c is an earth dam located in Butler County, Nebraska, built in 1977. 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 inspection09/12/2019
Height47 ft
Built197749 years ago

Dam profile

NID height · 47 ft
47 FT TEN-STORY BUILDINGMEDIAN U.S. DAM · 24 FT

47 ft tall and 793 ft long, taller than 91% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic embankment section and the water level is illustrative.

About North Oak Creek 6-c

The primary purpose of North Oak Creek 6-c 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 South Natural Resources District (local government). It impounds the Tr-north Oak Creek near Valparaiso.

The dam stands 47 feet tall and stretches 793 feet across, creates a reservoir covering 29 acres, has a maximum storage capacity of 867 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1977, the structure is 49 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 09/12/2019.

At 47 feet, this dam is taller than 91% of dams nationwide.

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Location

StateNebraska
CountyButler
Nearest CityValparaiso
River/StreamTr-north Oak Creek
Coordinates41.16412, -96.96147

Physical Characteristics

Dam TypeEarth
NID Height47 ft
Dam Height47 ft
Dam Length793 ft
Year Completed1977 (49 years old)

Storage & Hydraulics

NID Storage867 acre-ft
Max Storage867 acre-ft
Normal Storage276 acre-ft
Surface Area29 acres
Drainage Area3 sq mi
Max Discharge724 cfs

Ownership & Safety

PurposeFlood Risk Reduction
OwnerLower Platte South Natural Resources District
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection09/12/2019
Emergency Action PlanNot Required

Identifiers

NID IDNE01627
Federal IDNE01627
More InfoState Dam Safety Program