Loch Erin Dam
Loch Erin Dam is an earth dam located in Lenawee County, Michigan, built in 1971. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Loch Erin Dam
The primary purpose of Loch Erin Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Michigan National Bank (private). It impounds the Wolf Creek near Adrian.
The dam stands 18 feet tall and stretches 3,970 feet across, creates a reservoir covering 622 acres, has a maximum storage capacity of 6,336 acre-feet, and collects water from a drainage area of 17 square miles. Completed in 1971, 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 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 03/23/2020.
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Location
| State | Michigan |
| County | Lenawee |
| Nearest City | Adrian |
| River/Stream | Wolf Creek |
| Coordinates | 42.01167, -84.15000 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 3,970 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 6,336 acre-ft |
| Max Storage | 6,336 acre-ft |
| Normal Storage | 4,665 acre-ft |
| Surface Area | 622 acres |
| Drainage Area | 17 sq mi |
| Max Discharge | 1,400 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Michigan National Bank |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 03/23/2020 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MI00441 |
| Federal ID | MI00441 |
| More Info | State Dam Safety Program |