Troy Mills Dam

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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, but since replaced with rock arch rapids.

Owner: Troy Mills Dam Association

Height: 6 ft.

Length: 280 ft.

Hazards: drowning, varying, visibility -- significantly reduced by rehabilitation project.

Warning Signs: No longer needed.

Portage:

Comments: The Iowa DNR mitigated with dam with rock arch rapids between 2020/2021.

Fatalities 1

  • July 19, 2014 - Andrea Zimmermann, went over the dam while tubing