Oknoname 133003 is an earth dam located in Seminole County, Oklahoma, built in 1950. It carries a Low hazard potential classification.
Dam profile
NID height · 35 ft35 ft tall and 620 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 133003
Oknoname 133003 is a dam in Seminole, Oklahoma. The dam is owned by Charles D & Lorie a Patterson (private). It impounds the Tr-negro Creek near Konawa.
The dam stands 35 feet tall and stretches 620 feet across, creates a reservoir covering 4 acres, and has a maximum storage capacity of 133 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 12/14/2010. 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 | Seminole |
| Nearest City | Konawa |
| River/Stream | Tr-negro Creek |
| Coordinates | 34.95194, -96.76532 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 35 ft |
| Dam Length | 620 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 133 acre-ft |
| Max Storage | 133 acre-ft |
| Normal Storage | 88 acre-ft |
| Surface Area | 4 acres |
| Max Discharge | 1,728 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner | Charles D & Lorie a Patterson |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 12/14/2010 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK11082 |
| Federal ID | OK11082 |
| More Info | State Dam Safety Program |