Mondeaux Dam is a concrete dam located in Taylor County, Wisconsin, built in 1937. It carries a Significant hazard potential classification.
Dam profile
NID height · 15 ft15 ft tall and 265 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Mondeaux Dam
The primary purpose of Mondeaux 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 Usda Fs (federal). It impounds the Mondeaux River.
The dam stands 15 feet tall and stretches 265 feet across, creates a reservoir covering 400 acres, has a maximum storage capacity of 8,000 acre-feet, and collects water from a drainage area of 33 square miles. Completed in 1937, the structure is well-established, with more than 75 years of service.
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. The most recent inspection on record was 10/16/2018.
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Location
| State | Wisconsin |
| County | Taylor |
| Nearest City | None |
| River/Stream | Mondeaux River |
| Coordinates | 45.33331, -90.45050 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 15 ft |
| Dam Height | 13 ft |
| Dam Length | 265 ft |
| Year Completed | 1937 (89 years old) |
Storage & Hydraulics
| NID Storage | 8,000 acre-ft |
| Max Storage | 8,000 acre-ft |
| Normal Storage | 1,928 acre-ft |
| Surface Area | 400 acres |
| Drainage Area | 33 sq mi |
| Max Discharge | 3,500 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Usda Fs |
| Owner Type | Federal |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 10/16/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WI00824 |
| Federal ID | WI00824 |
| More Info | State Dam Safety Program |