Oknoname 051057
Oknoname 051057 is an earth dam located in Grady County, Oklahoma, built in 1960. It carries a Low hazard potential classification.
About Oknoname 051057
Oknoname 051057 is a dam in Grady, Oklahoma. The dam is owned by Orval Billy (private). It impounds the Rock Cr near Ninnekah.
The dam stands 20 feet tall and stretches 320 feet across, and has a maximum storage capacity of 260 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 12/01/2010. That was over 15 years ago.
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Location
| State | Oklahoma |
| County | Grady |
| Nearest City | Ninnekah |
| River/Stream | Rock Cr |
| Coordinates | 34.87497, -97.91539 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 320 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 260 acre-ft |
| Max Storage | 260 acre-ft |
| Normal Storage | 130 acre-ft |
| Max Discharge | 500 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner | ORVAL BILLY |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 12/01/2010 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK12929 |
| Federal ID | OK12929 |
| More Info | State Dam Safety Program |