Scs-cow Creek Site-28 is an earth dam located in Stephens County, Oklahoma, built in 1978. It carries a Significant hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 23 ft23 ft tall and 1,340 ft long. 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-cow Creek Site-28
The primary purpose of Scs-cow Creek Site-28 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 Stephens Co Cons Dist (state). It impounds the Tr-cow Creek near Addington.
The dam stands 23 feet tall and stretches 1,340 feet across, creates a reservoir covering 7 acres, and has a maximum storage capacity of 227 acre-feet. Completed in 1978, the structure is 48 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 10/13/2011. That was over 15 years ago.
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Location
| State | Oklahoma |
| County | Stephens |
| Nearest City | Addington |
| River/Stream | Tr-cow Creek |
| Coordinates | 34.29408, -97.95984 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 1,340 ft |
| Year Completed | 1978 (48 years old) |
Storage & Hydraulics
| NID Storage | 227 acre-ft |
| Max Storage | 227 acre-ft |
| Normal Storage | 22 acre-ft |
| Surface Area | 7 acres |
| Max Discharge | 575 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Stephens Co Cons Dist |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 10/13/2011 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK20807 |
| Federal ID | OK20807 |
| More Info | State Dam Safety Program |