Hanawalt is an earth dam located in Roger Mills County, Oklahoma, built in 1965. It carries a Undetermined hazard potential classification.
Dam profile
NID height · 25 ft25 ft tall and 400 ft long, taller than 50% 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 Hanawalt
Hanawalt is a dam in Roger Mills, Oklahoma. The dam is owned by Allen Jack L. (private). It impounds the Tr-canadian River near Trail.
The dam stands 25 feet tall and stretches 400 feet across, creates a reservoir covering 7 acres, and has a maximum storage capacity of 60 acre-feet. Completed in 1965, the structure is well into its service life at over 50 years old.
The most recent inspection on record was 08/07/2006. That was over 20 years ago.
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Location
| State | Oklahoma |
| County | Roger Mills |
| Nearest City | Trail |
| River/Stream | Tr-canadian River |
| Coordinates | 35.90170, -99.83500 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 400 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 60 acre-ft |
| Max Storage | 60 acre-ft |
| Normal Storage | 40 acre-ft |
| Surface Area | 7 acres |
| Max Discharge | 1,230 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner | Allen Jack L. |
| Owner Type | Private |
| Hazard Classification | Undetermined |
| Condition Assessment | Not assessed |
| Last Inspection | 08/07/2006 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK21026 |
| Federal ID | OK21026 |
| More Info | State Dam Safety Program |