St. Louis flooded a year ago. Victims demand River Des Peres cleanup, buyouts and more.

More than 100 people — the vast majority of whom were flood victims — streamed into the University City High School auditorium for the Wednesday event to commemorate the destructive flood’s one-year anniversary and weigh how the area can chart a better course forward and avoid similar devastation, even as downpours intensify and flood risks escalate.