Coburn
Coburn is an earth dam located in Muskogee County, Oklahoma, built in 1940. It carries a Low hazard potential classification.
About Coburn
Coburn is a dam in Muskogee, Oklahoma. The dam is owned by Michael & Loaine Mcwilliams (private). It impounds the Tr-arkansas Riv near Jamesville.
The dam stands 15 feet tall and stretches 500 feet across, creates a reservoir covering 8 acres, and has a maximum storage capacity of 50 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 03/02/2004. That was over 22 years ago.
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Location
| State | Oklahoma |
| County | Muskogee |
| Nearest City | Jamesville |
| River/Stream | Tr-arkansas Riv |
| Coordinates | 35.74757, -95.62529 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 500 ft |
| Year Completed | 1940 (86 years old) |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Max Storage | 50 acre-ft |
| Normal Storage | 33 acre-ft |
| Surface Area | 8 acres |
| Max Discharge | 90 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner | MICHAEL & LOAINE MCWILLIAMS |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 03/02/2004 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK20968 |
| Federal ID | OK20968 |
| More Info | State Dam Safety Program |