Dubuque Gate & Pump Station Flood Mitigation (16th St. Detention Basin) Project Update (March 2026)

April 15, 2026

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Upstream changes increased runoff into detention basin

Presentation

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Presenter said work on the Upper B branch project rerouted stormwater that previously flowed across land and streets into a channel, sending runoff quickly into the 16th Street detention basin and increasing the need for pumping capacity to prevent downtown flooding.

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A presenter described the Dubuque Gate and Pump Flood Mitigation — 16th Street Detention Project, explaining that it will replace the existing pump station to roughly double pumping capacity to reduce downtown flooding, outline construction steps and foundation piling, and note roughly $28 million in project costs funded partially by federal grants and local sales tax.

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Transcript

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