As a new flood season approaches, many Americans remain haunted by the last. Families across the country are still in mourning months after the waters receded from places like the Texas Hill Country, where a flash flood on the Guadalupe River in July left at least 135 people dead, many of them children.

There is a way for communities to prepare for future floods and try to limit their damage. The producer Jillian Weinberger went to a small town in Iowa to meet a mayor who discovered how effective one solution can be in a crisis. As the Trump administration leaves communities to fend for themselves, one state has a model that could help us all as the waters rise.

Thoughts? Email us at [email protected].

This episode of “The Opinions” was produced by Jillian Weinberger. It was edited by Kaari Pitkin. Mixing by Carole Sabouraud. Original music by Pat McCusker, Isaac Jones, Carole Sabouraud and Aman Sahota. Fact-checking by Mary Marge Locker and Kate Sinclair. Audience strategy by Shannon Busta and Kristina Samulewski. The deputy director of Opinion Shows is Alison Bruzek. The director of Opinion Shows is Annie-Rose Strasser. Special thanks to David Leonhardt and Derek Arthur.

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