Flood Study Unites South Dakota Communities | Pierre News

The Army Corps of Engineers is launching a major flood risk study along the lower Big Sioux River in South Dakota, partnering with Union County, North Sioux City, and the Dakota Dunes Community Improvement District. Public input is key — the first open house is coming up late next month in North Sioux City, with additional opportunities to share feedback online or via local officials. This collaborative effort aims to build smarter flood defenses for the region’s future. Listen in comfort:Get a discount on a Soli Pillow: http://solipillow.com/discount/dnn. Advertise on DNN:[email protected] This is an automated, high-level news summary based on public reporting.Sources:https://www.dakotanewsnow.com/2026/09/16/army-corps-engineers-signs-deal-big-sioux-river-flood-risk-management-study/ More coverage & latest updates:https://sources.thednn.ai/339932cf838914d7 Report issues to [email protected].