Boynton Lake Dam
Boynton Lake Dam is an earth dam located in Apache County, Arizona, built in 1974. It carries a Low hazard potential classification.
About Boynton Lake Dam
The primary purpose of Boynton Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Usda Fs (federal). It impounds the Mineral Creek near Concho.
The dam stands 32 feet tall and stretches 700 feet across, has a maximum storage capacity of 200 acre-feet, and collects water from a drainage area of 10 square miles. Completed in 1974, 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 04/20/2006. That was over 19 years ago.
At 32 feet, this dam is taller than 76% of dams nationwide.
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Location
| State | Arizona |
| County | Apache |
| Nearest City | Concho |
| River/Stream | Mineral Creek |
| Coordinates | 34.20327, -109.60176 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 27 ft |
| Dam Length | 700 ft |
| Year Completed | 1974 (52 years old) |
Storage & Hydraulics
| NID Storage | 200 acre-ft |
| Max Storage | 200 acre-ft |
| Normal Storage | 98 acre-ft |
| Drainage Area | 10 sq mi |
| Max Discharge | 3,045 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | USDA FS |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 04/20/2006 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | AZ00139 |
| Federal ID | AZ00139 |
| More Info | State Dam Safety Program |