Arnoname 27 is an earth dam located in Hot Spring County, Arkansas, built in 1953. It carries a Significant hazard potential classification.
Dam profile
NID height · 12 ft12 ft tall and 470 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 Arnoname 27
The primary purpose of Arnoname 27 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 R Phillips (private). It impounds the Rhinehart Branch-tr near Poyen.
The dam stands 12 feet tall and stretches 470 feet across, and has a maximum storage capacity of 52 acre-feet. Completed in 1953, 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 | Hot Spring |
| Nearest City | Poyen |
| River/Stream | Rhinehart Branch-tr |
| Coordinates | 34.35417, -92.71000 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Length | 470 ft |
| Year Completed | 1953 (73 years old) |
Storage & Hydraulics
| NID Storage | 52 acre-ft |
| Max Storage | 52 acre-ft |
| Normal Storage | 42 acre-ft |
Ownership & Safety
| Purpose | Water Supply |
| Owner | R Phillips |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | AR00565 |
| Federal ID | AR00565 |
| More Info | State Dam Safety Program |