Riffe Oil Co is an earth dam located in Rogers County, Oklahoma, built in 1939. It carries a Low hazard potential classification.
Dam profile
NID height · 40 ft40 ft tall and 330 ft long, taller than 86% of U.S. dams with a recorded height. 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 Riffe Oil Co
Riffe Oil Co is a dam in Rogers, Oklahoma. The dam is owned by El Thomas (private). It impounds the Hobbs Cr near Keetonville.
The dam stands 40 feet tall and stretches 330 feet across, creates a reservoir covering 11 acres, and has a maximum storage capacity of 300 acre-feet. Completed in 1939, 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 05/20/2011. That was over 15 years ago.
At 40 feet, this dam is taller than 86% of dams nationwide.
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Location
| State | Oklahoma |
| County | Rogers |
| Nearest City | Keetonville |
| River/Stream | Hobbs Cr |
| Coordinates | 36.35048, -95.77418 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Dam Length | 330 ft |
| Year Completed | 1939 (87 years old) |
Storage & Hydraulics
| NID Storage | 300 acre-ft |
| Max Storage | 300 acre-ft |
| Normal Storage | 207 acre-ft |
| Surface Area | 11 acres |
| Max Discharge | 500 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner | El Thomas |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 05/20/2011 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK10403 |
| Federal ID | OK10403 |
| More Info | State Dam Safety Program |