Oknoname 111075 is an earth dam located in Okmulgee County, Oklahoma, built in 1950. It carries a Low hazard potential classification.
Dam profile
NID height · 35 ft35 ft tall and 3,790 ft long, taller than 80% 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 111075
Oknoname 111075 is a dam in Okmulgee, Oklahoma. The dam is owned by Harold G & Melba F Chastain (private). It impounds the Tr-grave Creek near Hoffman.
The dam stands 35 feet tall and stretches 3,790 feet across, creates a reservoir covering 15 acres, and has a maximum storage capacity of 700 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 08/24/2011. That was over 15 years ago.
At 35 feet, this dam is taller than 80% of dams nationwide.
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Location
| State | Oklahoma |
| County | Okmulgee |
| Nearest City | Hoffman |
| River/Stream | Tr-grave Creek |
| Coordinates | 35.58226, -95.77853 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 35 ft |
| Dam Length | 3,790 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 700 acre-ft |
| Max Storage | 700 acre-ft |
| Normal Storage | 300 acre-ft |
| Surface Area | 15 acres |
| Max Discharge | 3,900 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner | Harold G & Melba F Chastain |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 08/24/2011 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK12337 |
| Federal ID | OK12337 |
| More Info | State Dam Safety Program |