Lake Adrian Dam
Lake Adrian Dam is a gravity dam located in Lenawee County, Michigan, built in 1942. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Lake Adrian Dam
The primary purpose of Lake Adrian Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by City Of Adrian (local government). It impounds the Wolf Creek near Adrian.
The dam stands 30 feet tall and stretches 620 feet across, creates a reservoir covering 86 acres, has a maximum storage capacity of 1,500 acre-feet, and collects water from a drainage area of 73 square miles. Completed in 1942, the structure is well-established, with more than 75 years of service.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. 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 01/25/2021.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Michigan dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Michigan |
| County | Lenawee |
| Nearest City | Adrian |
| River/Stream | Wolf Creek |
| Coordinates | 41.91053, -84.03753 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 620 ft |
| Year Completed | 1942 (84 years old) |
Storage & Hydraulics
| NID Storage | 1,500 acre-ft |
| Max Storage | 1,500 acre-ft |
| Normal Storage | 908 acre-ft |
| Surface Area | 86 acres |
| Drainage Area | 73 sq mi |
| Max Discharge | 2,500 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | City of Adrian |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 01/25/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MI00594 |
| Federal ID | MI00594 |
| More Info | State Dam Safety Program |