Oknoname 051020 is an earth dam located in Grady County, Oklahoma, built in 1940. It carries a Low hazard potential classification.
Dam profile
NID height · 45 ft45 ft tall and 600 ft long, taller than 90% 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 051020
Oknoname 051020 is a dam in Grady, Oklahoma. The dam is owned by Mcclain County Land Co LLC (private). It impounds the Tr-spring Creek near Tabler.
The dam stands 45 feet tall and stretches 600 feet across, creates a reservoir covering 1 acres, and has a maximum storage capacity of 540 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 08/27/2010. That was over 16 years ago.
At 45 feet, this dam is taller than 90% of dams nationwide.
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Location
| State | Oklahoma |
| County | Grady |
| Nearest City | Tabler |
| River/Stream | Tr-spring Creek |
| Coordinates | 35.08062, -97.76037 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 45 ft |
| Dam Height | 45 ft |
| Dam Length | 600 ft |
| Year Completed | 1940 (86 years old) |
Storage & Hydraulics
| NID Storage | 540 acre-ft |
| Max Storage | 540 acre-ft |
| Normal Storage | 20 acre-ft |
| Surface Area | 1 acres |
| Max Discharge | 1,600 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner | Mcclain County Land Co LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 08/27/2010 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK12897 |
| Federal ID | OK12897 |
| More Info | State Dam Safety Program |