Iron Lake Dam
Iron Lake Dam is a gravity dam located in Washtenaw County, Michigan, built in 1837. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Iron Lake Dam
The primary purpose of Iron Lake 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 Drain Commissioner (private). It impounds the Iron Creek near Clinton.
The dam stands 12 feet tall and stretches 600 feet across, creates a reservoir covering 115 acres, has a maximum storage capacity of 1,700 acre-feet, and collects water from a drainage area of 15 square miles. Completed in 1837, 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 08/18/2020.
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Location
| State | Michigan |
| County | Washtenaw |
| Nearest City | Clinton |
| River/Stream | Iron Creek |
| Coordinates | 42.10000, -84.08667 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 600 ft |
| Year Completed | 1837 (189 years old) |
Storage & Hydraulics
| NID Storage | 1,700 acre-ft |
| Max Storage | 1,700 acre-ft |
| Normal Storage | 1,400 acre-ft |
| Surface Area | 115 acres |
| Drainage Area | 15 sq mi |
| Max Discharge | 276 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Washtenaw County Drain Commissioner |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/18/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MI00392 |
| Federal ID | MI00392 |
| More Info | State Dam Safety Program |