Oknoname 113123 is an earth dam located in Osage County, Oklahoma, built in 1940. It carries a Low hazard potential classification.
Dam profile
NID height · 30 ft30 ft tall and 200 ft long, taller than 68% 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 113123
Oknoname 113123 is a dam in Osage, Oklahoma. The dam is owned by J.a. Chapman (private). It impounds the Tr-sand Cr near Pearsonia.
The dam stands 30 feet tall and stretches 200 feet across, creates a reservoir covering 5 acres, and has a maximum storage capacity of 225 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 11/26/2001. That was over 24 years ago.
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Location
| State | Oklahoma |
| County | Osage |
| Nearest City | Pearsonia |
| River/Stream | Tr-sand Cr |
| Coordinates | 36.88108, -96.44961 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 200 ft |
| Year Completed | 1940 (86 years old) |
Storage & Hydraulics
| NID Storage | 225 acre-ft |
| Max Storage | 225 acre-ft |
| Normal Storage | 125 acre-ft |
| Surface Area | 5 acres |
| Max Discharge | 700 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner | J.a. Chapman |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 11/26/2001 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK12965 |
| Federal ID | OK12965 |
| More Info | State Dam Safety Program |