Fort Atkinson Milldam
Fort Atkinson Milldam is a gravity dam located in Winneshiek County, Iowa, built in 1914. It carries a Low hazard potential classification.
About Fort Atkinson Milldam
The primary purpose of Fort Atkinson Milldam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Weist Feed Mill Company (private). It impounds the Turkey River near Ft. Atkinson.
The dam stands 11 feet tall and stretches 255 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 60 acre-feet, and collects water from a drainage area of 211 square miles. Completed in 1914, the structure is over a century old.
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.
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Location
| State | Iowa |
| County | Winneshiek |
| Nearest City | Ft. Atkinson |
| River/Stream | Turkey River |
| Coordinates | 43.15630, -91.92850 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Dam Length | 255 ft |
| Year Completed | 1914 (112 years old) |
Storage & Hydraulics
| NID Storage | 60 acre-ft |
| Max Storage | 60 acre-ft |
| Normal Storage | 60 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 211 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Weist Feed Mill Company |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA01933 |
| Federal ID | IA01933 |
| More Info | State Dam Safety Program |