William Trunk Lake Dam
William Trunk Lake Dam is a dam located in Jefferson County, Missouri, built in 1990. It carries a Significant hazard potential classification.
About William Trunk Lake Dam
The primary purpose of William Trunk Lake Dam is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is private-owned.
The dam stands 29 feet tall, creates a reservoir covering 1 acres, and has a maximum storage capacity of 16 acre-feet. Completed in 1990, the structure is 36 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.
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Location
| State | Missouri |
| County | Jefferson |
| Coordinates | 38.09719, -90.44731 |
Physical Characteristics
| NID Height | 29 ft |
| Dam Height | 29 ft |
| Year Completed | 1990 (36 years old) |
Storage & Hydraulics
| NID Storage | 16 acre-ft |
| Max Storage | 16 acre-ft |
| Normal Storage | 10 acre-ft |
| Surface Area | 1 acres |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO31963 |
| Federal ID | MO31963 |
| More Info | State Dam Safety Program |