Allison Lake is an earth dam located in Beckham County, Oklahoma, built in 1965. It carries a Low hazard potential classification.
Dam profile
NID height · 33 ft33 ft tall and 525 ft long, taller than 76% 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 Allison Lake
The primary purpose of Allison Lake is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Marie Allison (private). It impounds the Tr-starvation Creek near Sayre.
The dam stands 33 feet tall and stretches 525 feet across, creates a reservoir covering 8 acres, and has a maximum storage capacity of 250 acre-feet. Completed in 1965, the structure is well into its service life at over 50 years old.
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 11/30/2010. That was over 15 years ago.
At 33 feet, this dam is taller than 76% of dams nationwide.
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Location
| State | Oklahoma |
| County | Beckham |
| Nearest City | Sayre |
| River/Stream | Tr-starvation Creek |
| Coordinates | 35.39698, -99.72137 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 33 ft |
| Dam Height | 33 ft |
| Dam Length | 525 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 250 acre-ft |
| Max Storage | 250 acre-ft |
| Normal Storage | 212 acre-ft |
| Surface Area | 8 acres |
| Max Discharge | 3,293 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Marie Allison |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 11/30/2010 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK00010 |
| Federal ID | OK00010 |
| More Info | State Dam Safety Program |