Scs-whitegrass-waterhole Cr Site-7
Scs-whitegrass-waterhole Cr Site-7 is an earth dam located in McCurtain County, Oklahoma, built in 1960. It carries a Low hazard potential classification.
About Scs-whitegrass-waterhole Cr Site-7
The primary purpose of Scs-whitegrass-waterhole Cr Site-7 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 Valliant Cons Dist (state). It impounds the Tr-garvin Cr near Iron Stob Corner.
The dam stands 25 feet tall and stretches 475 feet across, creates a reservoir covering 5 acres, and has a maximum storage capacity of 185 acre-feet. Completed in 1960, 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 | McCurtain |
| Nearest City | Iron Stob Corner |
| River/Stream | Tr-garvin Cr |
| Coordinates | 33.91959, -94.95087 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 475 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 185 acre-ft |
| Max Storage | 185 acre-ft |
| Normal Storage | 18 acre-ft |
| Surface Area | 5 acres |
| Max Discharge | 1,035 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | VALLIANT 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 | OK02070 |
| Federal ID | OK02070 |
| More Info | State Dam Safety Program |