Scs-delaware Creek Site-005 is an earth dam located in Johnston County, Oklahoma, built in 1964. It carries a Low hazard potential classification.
Dam profile
NID height · 41 ft41 ft tall and 560 ft long, taller than 87% 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-delaware Creek Site-005
The primary purpose of Scs-delaware Creek Site-005 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 Johnston Co Cons Dist (state). It impounds the Sulphur Branch near Wapanucka.
The dam stands 41 feet tall and stretches 560 feet across, creates a reservoir covering 4 acres, and has a maximum storage capacity of 260 acre-feet. Completed in 1964, 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 12/15/2005. That was over 20 years ago.
At 41 feet, this dam is taller than 87% of dams nationwide.
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Location
| State | Oklahoma |
| County | Johnston |
| Nearest City | Wapanucka |
| River/Stream | Sulphur Branch |
| Coordinates | 34.36169, -96.45931 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 41 ft |
| Dam Height | 41 ft |
| Dam Length | 560 ft |
| Year Completed | 1964 (62 years old) |
Storage & Hydraulics
| NID Storage | 260 acre-ft |
| Max Storage | 260 acre-ft |
| Normal Storage | 28 acre-ft |
| Surface Area | 4 acres |
| Max Discharge | 2,634 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Johnston Co Cons Dist |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 12/15/2005 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK02184 |
| Federal ID | OK02184 |
| More Info | State Dam Safety Program |