Scs-cow Creek Site-30a is an earth dam located in Stephens County, Oklahoma, built in 1984. It carries a Significant hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 25 ft25 ft tall and 1,090 ft long, taller than 50% 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-cow Creek Site-30a
The primary purpose of Scs-cow Creek Site-30a 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-dry Cr near Addington.
The dam stands 25 feet tall and stretches 1,090 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 192 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1984, the structure is 42 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 09/15/2011. That was over 15 years ago.
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Location
| State | Oklahoma |
| County | Stephens |
| Nearest City | Addington |
| River/Stream | Tr-dry Cr |
| Coordinates | 34.31345, -97.99851 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 1,090 ft |
| Year Completed | 1984 (42 years old) |
Storage & Hydraulics
| NID Storage | 192 acre-ft |
| Max Storage | 192 acre-ft |
| Normal Storage | 20 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 306 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 | 09/15/2011 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK03001 |
| Federal ID | OK03001 |
| More Info | State Dam Safety Program |