Harned Wilbur G. is an earth dam located in Logan County, Oklahoma, built in 1951. It carries a Low hazard potential classification.
Dam profile
NID height · 20 ft20 ft tall and 515 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 Harned Wilbur G.
Harned Wilbur G. is a dam in Logan, Oklahoma. The dam is owned by Harned Investments LLC (private). It impounds the Tr-cottonwood Creek near Guthrie.
The dam stands 20 feet tall and stretches 515 feet across, creates a reservoir covering 3 acres, and has a maximum storage capacity of 110 acre-feet. Completed in 1951, 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 08/01/2011. That was over 15 years ago.
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Location
| State | Oklahoma |
| County | Logan |
| Nearest City | Guthrie |
| River/Stream | Tr-cottonwood Creek |
| Coordinates | 35.80224, -97.41186 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 515 ft |
| Year Completed | 1951 (75 years old) |
Storage & Hydraulics
| NID Storage | 110 acre-ft |
| Max Storage | 110 acre-ft |
| Normal Storage | 40 acre-ft |
| Surface Area | 3 acres |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner | Harned Investments LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 08/01/2011 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK12371 |
| Federal ID | OK12371 |
| More Info | State Dam Safety Program |