Waterloo Dam
Waterloo Dam is a gravity dam located in Monroe County, Michigan, built in 1977. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Waterloo Dam
The primary purpose of Waterloo Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by City Of Monroe (local government). It impounds the River Raisin near Monroe.
The dam stands 12 feet tall and stretches 420 feet across, creates a reservoir covering 29 acres, has a maximum storage capacity of 768 acre-feet, and collects water from a drainage area of 1,059 square miles. Completed in 1977, the structure is 49 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 11/07/2017.
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Location
| State | Michigan |
| County | Monroe |
| Nearest City | Monroe |
| River/Stream | River Raisin |
| Coordinates | 41.92361, -83.42037 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 420 ft |
| Year Completed | 1977 (49 years old) |
Storage & Hydraulics
| NID Storage | 768 acre-ft |
| Max Storage | 768 acre-ft |
| Normal Storage | 140 acre-ft |
| Surface Area | 29 acres |
| Drainage Area | 1,059 sq mi |
| Max Discharge | 16,500 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | City of Monroe |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 11/07/2017 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MI00680 |
| Federal ID | MI00680 |
| More Info | State Dam Safety Program |