Lake Willastein Dam is an earth dam located in Pulaski County, Arkansas, built in 1942. It carries a Low hazard potential classification.
Dam profile
NID height · 20 ft20 ft tall and 990 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 Lake Willastein Dam
The primary purpose of Lake Willastein Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Maumelle Sid 500 (local government). It impounds the Arkansas River-tr.
The dam stands 20 feet tall and stretches 990 feet across, creates a reservoir covering 53 acres, has a maximum storage capacity of 192 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1942, the structure is well-established, with more than 75 years of service.
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 | Pulaski |
| Nearest City | None |
| River/Stream | Arkansas River-tr |
| Coordinates | 34.84833, -92.41000 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 990 ft |
| Year Completed | 1942 (84 years old) |
Storage & Hydraulics
| NID Storage | 400 acre-ft |
| Max Storage | 192 acre-ft |
| Normal Storage | 400 acre-ft |
| Surface Area | 53 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 135 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Maumelle Sid 500 |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | AR00084 |
| Federal ID | AR00084 |
| More Info | State Dam Safety Program |