Globe Mill Dam
Globe Mill Dam is a gravity dam located in Lenawee County, Michigan, built in 1972. It carries a Significant hazard potential classification and has a fair condition assessment.
About Globe Mill Dam
The primary purpose of Globe Mill 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 Tecumseh (local government). It impounds the River Raisin near Tecumseh.
The dam stands 22 feet tall and stretches 526 feet across, creates a reservoir covering 23 acres, has a maximum storage capacity of 250 acre-feet, and collects water from a drainage area of 256 square miles. Completed in 1972, the structure is well into its service life at over 50 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. 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 | Lenawee |
| Nearest City | Tecumseh |
| River/Stream | River Raisin |
| Coordinates | 42.00500, -83.93194 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 526 ft |
| Year Completed | 1972 (54 years old) |
Storage & Hydraulics
| NID Storage | 250 acre-ft |
| Max Storage | 250 acre-ft |
| Normal Storage | 160 acre-ft |
| Surface Area | 23 acres |
| Drainage Area | 256 sq mi |
| Max Discharge | 1,200 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | City of Tecumseh |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 11/07/2017 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MI00451 |
| Federal ID | MI00451 |
| More Info | State Dam Safety Program |