Oknoname 089006 is an earth dam located in McCurtain County, Oklahoma, built in 1940. It carries a Low hazard potential classification.
Dam profile
NID height · 32 ft32 ft tall and 500 ft long, taller than 74% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Oknoname 089006
Oknoname 089006 is a dam in McCurtain, Oklahoma. The dam is owned by Don Gammon (private). It impounds the Tr-yashau Cr near Broken Bow.
The dam stands 32 feet tall and stretches 500 feet across, and has a maximum storage capacity of 211 acre-feet. Completed in 1940, 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 12/01/2010. That was over 15 years ago.
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Location
| State | Oklahoma |
| County | McCurtain |
| Nearest City | Broken Bow |
| River/Stream | Tr-yashau Cr |
| Coordinates | 34.00056, -94.73890 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 32 ft |
| Dam Length | 500 ft |
| Year Completed | 1940 (86 years old) |
Storage & Hydraulics
| NID Storage | 211 acre-ft |
| Max Storage | 211 acre-ft |
| Normal Storage | 178 acre-ft |
| Max Discharge | 1,193 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner | Don Gammon |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 12/01/2010 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK21374 |
| Federal ID | OK21374 |
| More Info | State Dam Safety Program |