Oknoname 051031 is an earth dam located in Grady County, Oklahoma, built in 1960. It carries a Low hazard potential classification.
Dam profile
NID height · 26 ft26 ft tall and 350 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 051031
Oknoname 051031 is a dam in Grady, Oklahoma. The dam is owned by Araina Alford (private). It impounds the Tr-rock Hollow Creek near Chickasha.
The dam stands 26 feet tall and stretches 350 feet across, creates a reservoir covering 3 acres, and has a maximum storage capacity of 120 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 08/30/2010. That was over 16 years ago.
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Location
| State | Oklahoma |
| County | Grady |
| Nearest City | Chickasha |
| River/Stream | Tr-rock Hollow Creek |
| Coordinates | 35.05115, -97.98953 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 350 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 120 acre-ft |
| Max Storage | 120 acre-ft |
| Normal Storage | 40 acre-ft |
| Surface Area | 3 acres |
| Max Discharge | 2,480 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner | Araina Alford |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 08/30/2010 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK12906 |
| Federal ID | OK12906 |
| More Info | State Dam Safety Program |