Bloomer Mill
Bloomer Mill is a gravity dam located in Chippewa County, Wisconsin, built in 1856. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Bloomer Mill
The primary purpose of Bloomer Mill is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by City Of Bloomer (local government). It impounds the Duncan Creek near Bloomer.
The dam stands 17 feet tall and stretches 460 feet across, creates a reservoir covering 98 acres, has a maximum storage capacity of 945 acre-feet, and collects water from a drainage area of 48 square miles. Completed in 1856, the structure is one of the older dams in the region, with over a century and a half 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 05/21/2020.
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 Wisconsin 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 | Wisconsin |
| County | Chippewa |
| Nearest City | Bloomer |
| River/Stream | Duncan Creek |
| Coordinates | 45.10181, -91.49322 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 460 ft |
| Year Completed | 1856 (170 years old) |
Storage & Hydraulics
| NID Storage | 945 acre-ft |
| Max Storage | 945 acre-ft |
| Normal Storage | 200 acre-ft |
| Surface Area | 98 acres |
| Drainage Area | 48 sq mi |
| Max Discharge | 15,300 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | City Of Bloomer |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/21/2020 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WI00105 |
| Federal ID | WI00105 |
| More Info | State Dam Safety Program |