Oknoname 111076 is an earth dam located in Okmulgee County, Oklahoma, built in 1960. It carries a Low hazard potential classification.
Dam profile
NID height · 30 ft30 ft tall and 3,630 ft long, taller than 68% 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 111076
Oknoname 111076 is a dam in Okmulgee, Oklahoma. The dam is owned by Lake Creek Ranch Inc (private). It impounds the Tr-grave Creek near Hoffman.
The dam stands 30 feet tall and stretches 3,630 feet across, creates a reservoir covering 6 acres, and has a maximum storage capacity of 450 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 08/24/2011. That was over 15 years ago.
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Location
| State | Oklahoma |
| County | Okmulgee |
| Nearest City | Hoffman |
| River/Stream | Tr-grave Creek |
| Coordinates | 35.57724, -95.77005 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 3,630 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 450 acre-ft |
| Max Storage | 450 acre-ft |
| Normal Storage | 18 acre-ft |
| Surface Area | 6 acres |
| Max Discharge | 1,400 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner | Lake Creek Ranch Inc |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 08/24/2011 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK12338 |
| Federal ID | OK12338 |
| More Info | State Dam Safety Program |