Scs-nine Mile Creek Site-18
Scs-nine Mile Creek Site-18 is an earth dam located in Roger Mills County, Oklahoma, built in 1963. It carries a Low hazard potential classification.
About Scs-nine Mile Creek Site-18
The primary purpose of Scs-nine Mile Creek Site-18 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 Upper Washita Cons Dist (state). It impounds the Tr-ninemile Creek near Hammon Juntion.
The dam stands 27 feet tall and stretches 500 feet across, creates a reservoir covering 7 acres, and has a maximum storage capacity of 132 acre-feet. Completed in 1963, 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 | Roger Mills |
| Nearest City | Hammon Juntion |
| River/Stream | Tr-ninemile Creek |
| Coordinates | 35.71946, -99.49292 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 500 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 132 acre-ft |
| Max Storage | 132 acre-ft |
| Normal Storage | 36 acre-ft |
| Surface Area | 7 acres |
| Max Discharge | 750 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | UPPER WASHITA CONS DIST |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 01/01/1980 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK01007 |
| Federal ID | OK01007 |
| More Info | State Dam Safety Program |