Hall Lake
Hall Lake is an earth dam located in Harmon County, Oklahoma, built in 1954. It carries a Low hazard potential classification.
About Hall Lake
The primary purpose of Hall Lake is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Mona Boone (private). It impounds the Tr-salt Fork Red River near Mcknight.
The dam stands 40 feet tall and stretches 1,050 feet across, creates a reservoir covering 36 acres, and has a maximum storage capacity of 330 acre-feet. Completed in 1954, 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 08/14/2006. That was over 19 years ago.
At 40 feet, this dam is taller than 87% of dams nationwide.
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Location
| State | Oklahoma |
| County | Harmon |
| Nearest City | Mcknight |
| River/Stream | Tr-salt Fork Red River |
| Coordinates | 34.83407, -99.92590 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Dam Length | 1,050 ft |
| Year Completed | 1954 (72 years old) |
Storage & Hydraulics
| NID Storage | 330 acre-ft |
| Max Storage | 330 acre-ft |
| Normal Storage | 288 acre-ft |
| Surface Area | 36 acres |
| Max Discharge | 1,278 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | MONA BOONE |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 08/14/2006 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK00696 |
| Federal ID | OK00696 |
| More Info | State Dam Safety Program |