Tyler Dam
Tyler Dam is a gravity dam located in Washtenaw County, Michigan, built in 1942. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Tyler Dam
The primary purpose of Tyler Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Washtenaw County Wrc (local government). It impounds the Willow Run Creek near Belleville.
The dam stands 31 feet tall and stretches 500 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 205 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1942, 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. 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 09/06/2018.
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Location
| State | Michigan |
| County | Washtenaw |
| Nearest City | Belleville |
| River/Stream | Willow Run Creek |
| Coordinates | 42.23268, -83.54722 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 500 ft |
| Year Completed | 1942 (84 years old) |
Storage & Hydraulics
| NID Storage | 205 acre-ft |
| Max Storage | 205 acre-ft |
| Normal Storage | 85 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 3,360 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Washtenaw County WRC |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/06/2018 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MI00714 |
| Federal ID | MI00714 |
| More Info | State Dam Safety Program |