Lake Bald Knob is an earth dam located in Conway County, Arkansas, built in 1961. It carries a Significant hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 32 ft32 ft tall and 1,083 ft long, taller than 74% of U.S. dams with a recorded height. 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 Lake Bald Knob
The primary purpose of Lake Bald Knob 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 Bald Knob Water & Sewer System (local government). It impounds the Overflow Creek near Bald Knob.
The dam stands 32 feet tall and stretches 1,083 feet across, creates a reservoir covering 154 acres, has a maximum storage capacity of 3,800 acre-feet, and collects water from a drainage area of 12 square miles. Completed in 1961, 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. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 05/11/2018.
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Location
| State | Arkansas |
| County | Conway |
| Nearest City | Bald Knob |
| River/Stream | Overflow Creek |
| Coordinates | 35.33667, -92.59333 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 32 ft |
| Dam Length | 1,083 ft |
| Year Completed | 1961 (65 years old) |
Storage & Hydraulics
| NID Storage | 3,800 acre-ft |
| Max Storage | 3,800 acre-ft |
| Normal Storage | 2,443 acre-ft |
| Surface Area | 154 acres |
| Drainage Area | 12 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Bald Knob Water & Sewer System |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 05/11/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | AR00304 |
| Federal ID | AR00304 |
| More Info | State Dam Safety Program |