Oknoname 111071 is an earth dam located in Okmulgee County, Oklahoma, built in 1940. It carries a Low hazard potential classification.
Dam profile
NID height · 25 ft25 ft tall and 3,120 ft long, taller than 50% 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 111071
Oknoname 111071 is a dam in Okmulgee, Oklahoma. The dam is owned by Jeffory L Henderson (private). It impounds the Tr-coal Creek near Dewar.
The dam stands 25 feet tall and stretches 3,120 feet across, and has a maximum storage capacity of 800 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 08/24/2011. That was over 15 years ago.
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Location
| State | Oklahoma |
| County | Okmulgee |
| Nearest City | Dewar |
| River/Stream | Tr-coal Creek |
| Coordinates | 35.44711, -95.96255 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 3,120 ft |
| Year Completed | 1940 (86 years old) |
Storage & Hydraulics
| NID Storage | 800 acre-ft |
| Max Storage | 800 acre-ft |
| Normal Storage | 40 acre-ft |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner | Jeffory L Henderson |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 08/24/2011 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK12333 |
| Federal ID | OK12333 |
| More Info | State Dam Safety Program |