Troy Mills Dam

River/Stream: Wapsipinicon River

Location: Troy Mills, Linn County
        Latitude: 42.288219
        Longitude: -91.682695
        Click here to view an aerial map of the dam.

Built: 1905; reconstructed in 1989 with unpermitted repairs in 2006

Click here to enlarge image

Owner: Troy Mills Dam Association

Height: 6 ft.

Length: 280 ft.

Hazards: drowning, visibility, varying, usage, debris

Warning Signs:


Comments: currently in poor condition. The Iowa DNR has a plan to mitigate the dam with a rock arch rapids. Anticipated project completion date is spring 2018.

Fatalities 1

  • July 19, 2014 - Andrea Zimmermann, went over the dam while tubing
Click here to enlarge image

Photos courtesy of Dave Hillman