Scs-jack Creek Site-2a is an earth dam located in Tillman County, Oklahoma, built in 1975. It carries a Low hazard potential classification.
Dam profile
NID height · 28 ft28 ft tall and 1,585 ft long, taller than 62% 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-jack Creek Site-2a
The primary purpose of Scs-jack Creek Site-2a 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 Tillman Co Cons Dist (state). It impounds the East Jack Creek near Cookietown.
The dam stands 28 feet tall and stretches 1,585 feet across, creates a reservoir covering 31 acres, and has a maximum storage capacity of 957 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.
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Location
| State | Oklahoma |
| County | Tillman |
| Nearest City | Cookietown |
| River/Stream | East Jack Creek |
| Coordinates | 34.47122, -98.71497 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 1,585 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 957 acre-ft |
| Max Storage | 957 acre-ft |
| Normal Storage | 252 acre-ft |
| Surface Area | 31 acres |
| Max Discharge | 4,375 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Tillman 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 | OK20543 |
| Federal ID | OK20543 |
| More Info | State Dam Safety Program |