Oknoname 119002 is an earth dam located in Payne County, Oklahoma, built in 1960. It carries a Low hazard potential classification.
Dam profile
NID height · 20 ft20 ft tall and 350 ft long. 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 119002
The primary purpose of Oknoname 119002 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Milton L Poole (private). It impounds the Tr-long Branch Cr near Morrison.
The dam stands 20 feet tall and stretches 350 feet across, creates a reservoir covering 1 acres, and has a maximum storage capacity of 60 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 12/03/2003. That was over 22 years ago.
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Location
| State | Oklahoma |
| County | Payne |
| Nearest City | Morrison |
| River/Stream | Tr-long Branch Cr |
| Coordinates | 36.22131, -97.01859 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 350 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 60 acre-ft |
| Max Storage | 60 acre-ft |
| Normal Storage | 24 acre-ft |
| Surface Area | 1 acres |
| Max Discharge | 1,200 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Milton L Poole |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 12/03/2003 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK13091 |
| Federal ID | OK13091 |
| More Info | State Dam Safety Program |