Pickwick Mill
Pickwick Mill is a gravity dam located in Winona County, Minnesota, built in 1854. It carries a Significant hazard potential classification and has a poor condition assessment.
About Pickwick Mill
The primary purpose of Pickwick Mill is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Pickwick Mill Inc (private). It impounds the Big Trout Creek near Pickwick.
The dam stands 36 feet tall and stretches 231 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 124 acre-feet, and collects water from a drainage area of 11 square miles. Completed in 1854, the structure is one of the older dams in the region, with over a century and a half of service.
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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 05/24/2022.
At 36 feet, this dam is taller than 83% of dams nationwide.
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Location
| State | Minnesota |
| County | Winona |
| Nearest City | Pickwick |
| River/Stream | Big Trout Creek |
| Coordinates | 43.98009, -91.49633 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 36 ft |
| Dam Height | 33 ft |
| Dam Length | 231 ft |
| Year Completed | 1854 (172 years old) |
Storage & Hydraulics
| NID Storage | 124 acre-ft |
| Max Storage | 124 acre-ft |
| Normal Storage | 65 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 11 sq mi |
| Max Discharge | 2,820 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Pickwick Mill Inc |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 05/24/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN00519 |
| Federal ID | MN00519 |
| More Info | State Dam Safety Program |