Mirror Lake is a masonry dam located in Stone County, Arkansas, built in 1940. It carries a Low hazard potential classification.
Dam profile
NID height · 29 ft29 ft tall and 187 ft long, taller than 65% 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 concrete gravity section and the water level is illustrative.
About Mirror Lake
The primary purpose of Mirror Lake is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Usda Fs (federal). It impounds the Blanchard near Allison,ar.
The dam stands 29 feet tall and stretches 187 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 23 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1940, 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 06/25/2019.
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Location
| State | Arkansas |
| County | Stone |
| Nearest City | Allison,ar |
| River/Stream | Blanchard |
| Coordinates | 35.96444, -92.17056 |
Physical Characteristics
| Dam Type | Masonry |
| NID Height | 29 ft |
| Dam Height | 27 ft |
| Dam Length | 187 ft |
| Year Completed | 1940 (86 years old) |
Storage & Hydraulics
| NID Storage | 23 acre-ft |
| Max Storage | 23 acre-ft |
| Normal Storage | 23 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 118 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Usda Fs |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 06/25/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | AR00559 |
| Federal ID | AR00559 |
| More Info | State Dam Safety Program |