Elsie Dam is a concrete dam located in Clinton County, Michigan, built in 1840. It carries a Low hazard potential classification and has a unsatisfactory condition assessment.
Dam profile
NID height · 13 ft13 ft tall and 231 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 Elsie Dam
The primary purpose of Elsie Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Duplain Township (local government). It impounds the Maple River near Bannister.
The dam stands 13 feet tall and stretches 231 feet across, creates a reservoir covering 32 acres, has a maximum storage capacity of 80 acre-feet, and collects water from a drainage area of 191 square miles. Completed in 1840, the structure is one of the older dams in the region, with over a century and a half of service.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated unsatisfactory, indicating serious safety deficiencies exist that require immediate attention or remedial action. The most recent inspection on record was 10/25/2017.
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Location
| State | Michigan |
| County | Clinton |
| Nearest City | Bannister |
| River/Stream | Maple River |
| Coordinates | 43.08967, -84.40594 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 13 ft |
| Dam Height | 13 ft |
| Dam Length | 231 ft |
| Year Completed | 1840 (186 years old) |
Storage & Hydraulics
| NID Storage | 80 acre-ft |
| Max Storage | 80 acre-ft |
| Normal Storage | 60 acre-ft |
| Surface Area | 32 acres |
| Drainage Area | 191 sq mi |
| Max Discharge | 2,455 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Duplain Township |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Unsatisfactory |
| Last Inspection | 10/25/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MI00046 |
| Federal ID | MI00046 |
| More Info | State Dam Safety Program |