Scs-mill Creek Site-12
Scs-mill Creek Site-12 is an earth dam located in Johnston County, Oklahoma, built in 1950. It carries a Low hazard potential classification.
About Scs-mill Creek Site-12
The primary purpose of Scs-mill Creek Site-12 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-mill Creek near Mill Creek.
The dam stands 23 feet tall and stretches 960 feet across, creates a reservoir covering 10 acres, and has a maximum storage capacity of 194 acre-feet. Completed in 1950, the structure is well-established, with more than 75 years of service.
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 | Johnston |
| Nearest City | Mill Creek |
| River/Stream | Tr-mill Creek |
| Coordinates | 34.48160, -96.86920 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 960 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 194 acre-ft |
| Max Storage | 194 acre-ft |
| Normal Storage | 27 acre-ft |
| Surface Area | 10 acres |
| Max Discharge | 800 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 | OK02001 |
| Federal ID | OK02001 |
| More Info | State Dam Safety Program |