Sivley Lake Dam is an earth dam located in Little River County, Arkansas, built in 1954. It carries a Significant hazard potential classification.
Dam profile
NID height · 10 ft10 ft tall and 300 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 Sivley Lake Dam
Sivley Lake Dam is a dam in Little River, Arkansas. The dam is owned by W F Silvey (private). It impounds the Walnut Bayou-tr.
The dam stands 10 feet tall and stretches 300 feet across, and has a maximum storage capacity of 60 acre-feet. Completed in 1954, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life.
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Location
| State | Arkansas |
| County | Little River |
| Nearest City | None |
| River/Stream | Walnut Bayou-tr |
| Coordinates | 33.67917, -94.28417 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Length | 300 ft |
| Year Completed | 1954 (72 years old) |
Storage & Hydraulics
| NID Storage | 60 acre-ft |
| Max Storage | 60 acre-ft |
| Normal Storage | 34 acre-ft |
| Max Discharge | 1,400 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | W F Silvey |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | AR01091 |
| Federal ID | AR01091 |
| More Info | State Dam Safety Program |