Thomas Reservoir Dam is an earth dam located in Arkansas County, Arkansas, built in 1964. It carries a Low hazard potential classification.
Dam profile
NID height · 13 ft13 ft tall and 2,704 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 Thomas Reservoir Dam
The primary purpose of Thomas Reservoir Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Godfrey Thomas (private). It impounds the Mill Bayou-os.
The dam stands 13 feet tall and stretches 2,704 feet across, and has a maximum storage capacity of 374 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 | Arkansas |
| Nearest City | None |
| River/Stream | Mill Bayou-os |
| Coordinates | 34.27500, -91.41639 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 13 ft |
| Dam Length | 2,704 ft |
| Year Completed | 1964 (62 years old) |
Storage & Hydraulics
| NID Storage | 374 acre-ft |
| Max Storage | 374 acre-ft |
| Normal Storage | 260 acre-ft |
| Max Discharge | 65 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Godfrey Thomas |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | AR01311 |
| Federal ID | AR01311 |
| More Info | State Dam Safety Program |