DNR @ the 2026 Iowa State Fair, Aug 13-23, 2026

Are you ready for an unforgettable adventure at the Iowa State Fair? Don't forget to stop by our DNR building located near the west entrance of the fairground, 9am-8pm.

2026 Courtyard Schedule

Lake Restoration Program

News Release

Major restoration effort to improve Black Hawk Lake water quality

A second and final season of dredging on Black Hawk Lake, located in Sac County, will start this week and is scheduled to end in early June.

April 5, 2023

Lake Restoration Program

Lake Restoration

The Lake Restoration Program was created by the Iowa Legislature to improve water quality, habitat, and recreational opportunities for publicly owned lakes.

Lake Restoration Program

Habitat & Lake Projects

Explore the many ways the Iowa DNR creates and enhances habitats in Iowa waters to improve your chance of catching fish.

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DNR @ the 2026 Iowa State Fair, Aug 13-23, 2026

Lake Restoration Program

Lake Restoration Program

Major restoration effort to improve Black Hawk Lake water quality

Lake Restoration

Habitat & Lake Projects

Iowa DNR Customer Service

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