Scs-upper Black Bear Creek Site-71

Scs-upper Black Bear Creek Site-71 is an earth dam located in Noble County, Oklahoma, built in 1962. 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 inspection09/07/2010
Height43 ft
Built196264 years ago

Dam profile

NID height · 43 ft
43 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

43 ft tall and 1,100 ft long, taller than 89% 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 Scs-upper Black Bear Creek Site-71

The primary purpose of Scs-upper Black Bear Creek Site-71 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 Noble Co Cons Dist (state). It impounds the Tr-mule Cr near Sumner.

The dam stands 43 feet tall and stretches 1,100 feet across, creates a reservoir covering 21 acres, and has a maximum storage capacity of 1,171 acre-feet. Completed in 1962, the structure is well into its service life at over 50 years old.

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 09/07/2010. That was over 16 years ago.

At 43 feet, this dam is taller than 89% of dams nationwide.

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Location

StateOklahoma
CountyNoble
Nearest CitySumner
River/StreamTr-mule Cr
Coordinates36.28710, -97.16426

Physical Characteristics

Dam TypeEarth
NID Height43 ft
Dam Height43 ft
Dam Length1,100 ft
Year Completed1962 (64 years old)

Storage & Hydraulics

NID Storage1,171 acre-ft
Max Storage1,171 acre-ft
Normal Storage174 acre-ft
Surface Area21 acres
Max Discharge5,870 cfs
Spillway TypeControlled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerNoble Co Cons Dist
Owner TypeState
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection09/07/2010
Emergency Action PlanNot Required

Identifiers

NID IDOK01441
Federal IDOK01441
More InfoState Dam Safety Program