Inola is an earth dam located in Rogers County, Oklahoma, built in 1950. It carries a Low hazard potential classification.
Dam profile
NID height · 22 ft22 ft tall and 1,500 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 Inola
The primary purpose of Inola is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Winthrop W. Ingersoll Et Al (local government). It impounds the Inola Cr near Willieo Church.
The dam stands 22 feet tall and stretches 1,500 feet across, creates a reservoir covering 71 acres, and has a maximum storage capacity of 500 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 05/20/2011. That was over 15 years ago.
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Location
| State | Oklahoma |
| County | Rogers |
| Nearest City | Willieo Church |
| River/Stream | Inola Cr |
| Coordinates | 36.20844, -95.52239 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 1,500 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 500 acre-ft |
| Max Storage | 500 acre-ft |
| Normal Storage | 466 acre-ft |
| Surface Area | 71 acres |
| Max Discharge | 80 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Winthrop W. Ingersoll Et Al |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 05/20/2011 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK10442 |
| Federal ID | OK10442 |
| More Info | State Dam Safety Program |