Iowa Department of Agriculture and Land Stewardship

Release: Nov 16, 2025

Close: Dec 17, 2025

The Iowa Department of Agriculture and Land Stewardship seeks bids for construction of a nutrient reduction wetland including selective clearing, excavation, grading, tied concrete block mat installation, tile installation, water control structure, and seeding. The project is located in Winneshiek County, Iowa, and includes approximately 15,200 cubic yards of earthwork, 6,608 sq ft of tied concrete block mat, and 1,100 linear feet of tile with an estimated construction cost range of $200,000 to $300,000. Construction completion is scheduled for November 15, 2026 with seeding completion by December 15, 2026.

Release: -

Close: Dec 17, 2025

Procurement of construction services for a CREP Tile Zone nutrient reduction wetland project, including selective clearing, excavation, grading, tile installation, tied concrete block mat, concrete manholes, and seeding.

Release: Nov 19, 2025

Close: Dec 17, 2025

The Iowa Department of Agriculture & Land Stewardship, Division of Soil Conservation and Water Quality is soliciting bids for construction of a nutrient reduction wetland (Invitation for Bid 009-RFB-WRBWL-CY25-18). The project includes selective clearing, excavation, grading, tile installation, seeding, and related construction work with an estimated cost range of $375,000 to $475,000. A performance/payment bond equal to 100% of the contract price will be required and a pre-bid conference is scheduled for December 3, 2025.