Scs-mill Creek Site-17
Scs-mill Creek Site-17 is an earth dam located in Johnston County, Oklahoma, built in 1969. It carries a Low hazard potential classification.
About Scs-mill Creek Site-17
The primary purpose of Scs-mill Creek Site-17 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 Tr-three Mile Cr near Mill Creek.
The dam stands 33 feet tall and stretches 900 feet across, creates a reservoir covering 12 acres, and has a maximum storage capacity of 347 acre-feet. Completed in 1969, 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.
At 33 feet, this dam is taller than 78% of dams nationwide.
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Location
| State | Oklahoma |
| County | Johnston |
| Nearest City | Mill Creek |
| River/Stream | Tr-three Mile Cr |
| Coordinates | 34.40710, -96.84102 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 33 ft |
| Dam Height | 33 ft |
| Dam Length | 900 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 347 acre-ft |
| Max Storage | 347 acre-ft |
| Normal Storage | 71 acre-ft |
| Surface Area | 12 acres |
| Max Discharge | 980 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | JOHNSTON CO 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 | OK02003 |
| Federal ID | OK02003 |
| More Info | State Dam Safety Program |