Dexter Dam is a gravity dam located in Washtenaw County, Michigan, built in 1932. It carries a Undetermined hazard potential classification.
Dam profile
NID height · 15 ft15 ft tall and 90 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 Dexter Dam
The primary purpose of Dexter 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 Road Commission (local government). It impounds the Mill Creek near Dexter.
The dam stands 15 feet tall and stretches 90 feet across, creates a reservoir covering 22 acres, has a maximum storage capacity of 350 acre-feet, and collects water from a drainage area of 128 square miles. Completed in 1932, the structure is well-established, with more than 75 years of service.
The most recent inspection on record was 11/01/1989. That was over 36 years ago.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Michigan |
| County | Washtenaw |
| Nearest City | Dexter |
| River/Stream | Mill Creek |
| Coordinates | 42.33889, -83.89167 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 90 ft |
| Year Completed | 1932 (94 years old) |
Storage & Hydraulics
| NID Storage | 350 acre-ft |
| Max Storage | 350 acre-ft |
| Normal Storage | 80 acre-ft |
| Surface Area | 22 acres |
| Drainage Area | 128 sq mi |
| Max Discharge | 4,000 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Washtenaw County Road Commission |
| Owner Type | Local Government |
| Hazard Classification | Undetermined |
| Condition Assessment | Not assessed |
| Last Inspection | 11/01/1989 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MI00324 |
| Federal ID | MI00324 |
| More Info | State Dam Safety Program |