Oknoname 087030 is an earth dam located in McClain County, Oklahoma, built in 1950. It carries a Low hazard potential classification.
Dam profile
NID height · 20 ft20 ft tall and 510 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 087030
Oknoname 087030 is a dam in McClain, Oklahoma. The dam is owned by Zachary C & Alisha L Harp (private). It impounds the Tr-finn Creek near Maysville.
The dam stands 20 feet tall and stretches 510 feet across, creates a reservoir covering 6 acres, and has a maximum storage capacity of 82 acre-feet. Completed in 1950, 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 07/25/2005. That was over 21 years ago.
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Location
| State | Oklahoma |
| County | McClain |
| Nearest City | Maysville |
| River/Stream | Tr-finn Creek |
| Coordinates | 34.97201, -97.47960 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 510 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 82 acre-ft |
| Max Storage | 82 acre-ft |
| Normal Storage | 37 acre-ft |
| Surface Area | 6 acres |
| Max Discharge | 1,440 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner | Zachary C & Alisha L Harp |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/25/2005 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK12470 |
| Federal ID | OK12470 |
| More Info | State Dam Safety Program |