Dunbar Lake Dam is an earth dam located in Little River County, Arkansas, built in 1964. It carries a Low hazard potential classification.
Dam profile
NID height · 12 ft12 ft tall and 400 ft long. 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 Dunbar Lake Dam
The primary purpose of Dunbar Lake Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by K a Dunbar (private). It impounds the Walnut Bayou-tr.
The dam stands 12 feet tall and stretches 400 feet across, and has a maximum storage capacity of 58 acre-feet. Completed in 1964, 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.
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Location
| State | Arkansas |
| County | Little River |
| Nearest City | None |
| River/Stream | Walnut Bayou-tr |
| Coordinates | 33.67111, -94.38972 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Length | 400 ft |
| Year Completed | 1964 (62 years old) |
Storage & Hydraulics
| NID Storage | 58 acre-ft |
| Max Storage | 58 acre-ft |
| Normal Storage | 29 acre-ft |
| Max Discharge | 156 cfs |
Ownership & Safety
| Purpose | Water Supply |
| Owner | K a Dunbar |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | AR01093 |
| Federal ID | AR01093 |
| More Info | State Dam Safety Program |