Wilson Lake Dam is an earth dam located in Maries County, Missouri, built in 1977. It carries a Low hazard potential classification.
Dam profile
NID height · 31 ft31 ft tall and 400 ft long, taller than 72% 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 Wilson Lake Dam
The primary purpose of Wilson Lake Dam is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Archie Wilson (private). It impounds the Tr-little Maries River near Westphalia.
The dam stands 31 feet tall and stretches 400 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 50 acre-feet, and collects water from a drainage area of 160 square miles. Completed in 1977, the structure is 49 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 | Missouri |
| County | Maries |
| Nearest City | Westphalia |
| River/Stream | Tr-little Maries River |
| Coordinates | 38.16056, -92.08662 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 30 ft |
| Dam Length | 400 ft |
| Year Completed | 1977 (49 years old) |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Max Storage | 50 acre-ft |
| Normal Storage | 40 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 160 sq mi |
| Max Discharge | 25 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Archie Wilson |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO31314 |
| Federal ID | MO31314 |
| More Info | State Dam Safety Program |