Scs-lower Black Bear Creek Site-21 is an earth dam located in Pawnee County, Oklahoma, built in 1975. It carries a Low hazard potential classification.
Dam profile
NID height · 44 ft44 ft tall and 1,470 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-lower Black Bear Creek Site-21
The primary purpose of Scs-lower Black Bear Creek Site-21 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 Pawnee Co Cons Dist (state). It impounds the Tr-camp Creek near Blackburn.
The dam stands 44 feet tall and stretches 1,470 feet across, creates a reservoir covering 12 acres, and has a maximum storage capacity of 1,607 acre-feet. Completed in 1975, 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. The most recent inspection on record was 01/01/1980. That was over 46 years ago.
At 44 feet, this dam is taller than 89% of dams nationwide.
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Location
| State | Oklahoma |
| County | Pawnee |
| Nearest City | Blackburn |
| River/Stream | Tr-camp Creek |
| Coordinates | 36.25455, -96.81599 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 44 ft |
| Dam Height | 44 ft |
| Dam Length | 1,470 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 1,607 acre-ft |
| Max Storage | 1,607 acre-ft |
| Normal Storage | 73 acre-ft |
| Surface Area | 12 acres |
| Max Discharge | 710 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Pawnee Co Cons Dist |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 01/01/1980 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK20639 |
| Federal ID | OK20639 |
| More Info | State Dam Safety Program |