Oknoname 063021
Oknoname 063021 is an earth dam located in Hughes County, Oklahoma, built in 1970. It carries a Low hazard potential classification.
About Oknoname 063021
Oknoname 063021 is a dam in Hughes, Oklahoma. The dam is owned by Wayne & Michael Wilson (private). It impounds the Tr-holdenville Lake near Atwood.
The dam stands 28 feet tall and stretches 940 feet across, creates a reservoir covering 10 acres, and has a maximum storage capacity of 490 acre-feet. Completed in 1970, 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 08/08/2011. That was over 14 years ago.
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Location
| State | Oklahoma |
| County | Hughes |
| Nearest City | Atwood |
| River/Stream | Tr-holdenville Lake |
| Coordinates | 35.04592, -96.32237 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 940 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 490 acre-ft |
| Max Storage | 490 acre-ft |
| Normal Storage | 84 acre-ft |
| Surface Area | 10 acres |
| Max Discharge | 2,880 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner | WAYNE & MICHAEL WILSON |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 08/08/2011 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK12521 |
| Federal ID | OK12521 |
| More Info | State Dam Safety Program |