Oknoname 027005 is an earth dam located in Cleveland County, Oklahoma, built in 1976. It carries a Low hazard potential classification.
Dam profile
NID height · 26 ft26 ft tall and 600 ft long, taller than 55% 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 027005
Oknoname 027005 is a dam in Cleveland, Oklahoma. The dam is owned by Macmillan Ranch LLC (private). It impounds the Tr-willow Creek near Lexington.
The dam stands 26 feet tall and stretches 600 feet across, creates a reservoir covering 2 acres, and has a maximum storage capacity of 80 acre-feet. Completed in 1976, the structure is 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 08/23/2010. That was over 16 years ago.
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Location
| State | Oklahoma |
| County | Cleveland |
| Nearest City | Lexington |
| River/Stream | Tr-willow Creek |
| Coordinates | 35.05763, -97.28751 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 600 ft |
| Year Completed | 1976 (50 years old) |
Storage & Hydraulics
| NID Storage | 80 acre-ft |
| Max Storage | 80 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 2 acres |
| Max Discharge | 2,700 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner | Macmillan Ranch LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 08/23/2010 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK00493 |
| Federal ID | OK00493 |
| More Info | State Dam Safety Program |