Arnoname 140 is an earth dam located in Garland County, Arkansas, built in 1964. It carries a Low hazard potential classification.
Dam profile
NID height · 11 ft11 ft tall and 480 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 140
The primary purpose of Arnoname 140 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 Keith Knapp (private). It impounds the Lost Creek-os near Pearcy.
The dam stands 11 feet tall and stretches 480 feet across, and has a maximum storage capacity of 55 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. The most recent inspection on record was 01/01/2000. That was over 26 years ago.
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Location
| State | Arkansas |
| County | Garland |
| Nearest City | Pearcy |
| River/Stream | Lost Creek-os |
| Coordinates | 34.42000, -93.32667 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Length | 480 ft |
| Year Completed | 1964 (62 years old) |
Storage & Hydraulics
| NID Storage | 55 acre-ft |
| Max Storage | 55 acre-ft |
| Normal Storage | 45 acre-ft |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Keith Knapp |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 01/01/2000 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | AR01520 |
| Federal ID | AR01520 |
| More Info | State Dam Safety Program |