Oknoname 107027
Oknoname 107027 is an earth dam located in Okfuskee County, Oklahoma, built in 1940. It carries a Undetermined hazard potential classification.
About Oknoname 107027
Oknoname 107027 is a dam in Okfuskee, Oklahoma. The dam is owned by Jimmy Sill (private). It impounds the Tr-flat Rock Cr near Graham.
The dam stands 30 feet tall and stretches 1,000 feet across, creates a reservoir covering 5 acres, and has a maximum storage capacity of 270 acre-feet. Completed in 1940, the structure is well-established, with more than 75 years of service.
The most recent inspection on record was 08/10/2006. That was over 19 years ago.
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Data note: Hazard potential describes the consequences if a dam failed; it does not predict the likelihood of failure. Inspection, condition, and emergency-plan fields can be incomplete or delayed. Check state dam-safety officials and local emergency managers for official guidance.
Undetermined HazardNot Rated ConditionEmergency Action Plan: Not Required
Location
| State | Oklahoma |
| County | Okfuskee |
| Nearest City | Graham |
| River/Stream | Tr-flat Rock Cr |
| Coordinates | 35.39330, -96.22000 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 1,000 ft |
| Year Completed | 1940 (86 years old) |
Storage & Hydraulics
| NID Storage | 270 acre-ft |
| Max Storage | 270 acre-ft |
| Normal Storage | 90 acre-ft |
| Surface Area | 5 acres |
| Max Discharge | 1,800 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner | JIMMY SILL |
| Owner Type | Private |
| Hazard Classification | Undetermined |
| Condition Assessment | Not Rated |
| Last Inspection | 08/10/2006 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK12747 |
| Federal ID | OK12747 |
| More Info | State Dam Safety Program |