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The following are the results of bids received July, 2026 for public improvement projects which the Iowa Department of Natural Resources requires to be constructed. The results included below are the bids that were received timely. Consistent with the Specifications Manual, in the event of a discrepancy between a unit price, extensions or total amounts of bid, the unit price proposed by the bidder has been used to accurately calculate the total price based on the quantities identified in the project specifications.
NO DETERMINATION HAS BEEN MADE BY THIS PUBLICATION AS TO WHICH BID, IF ANY, IS THE LOWEST RESPONSIBLE, RESPONSIVE BID. THE DNR RESERVES THE RIGHT, AFTER REVIEW OF THE BIDS SUBMITTED, TO AWARD A CONTRACT FOR THE PROJECTS LISTED BELOW TO THE ENTITY SUBMITTING THE LOWEST RESPONSIBLE, RESPONSIVE BID OR TO REJECT ALL BIDS.
View Project Details for this Bid Letting
| DICKINSON -- PROJECT # 24-01-30-03 7/23/2026 Large Project Letting
| PILLSBURY POINT
| | SHORELINE STABILIZATION | | | | BIDS RECEIVED: |
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Midwest Lake Service
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$3,269,824.48 |
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Schoelerman Contracting
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$3,646,636.46 |
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Groundworx Hydrovac LLC
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$3,996,381.27 |
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Three Oaks Construction, Inc
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$4,015,284.00 |
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Central Seeding LLC
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$4,703,775.64 |
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| MONONA -- PROJECT # 24-01-67-03 7/23/2026 Large Project Letting
| LOESS HILLS STATE FOREST
| | PREPARATION CANYON UNIT FENCE REPLACEMENT | | | | BIDS RECEIVED: |
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River Bluff Landscaping, LLC
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$639,426.20 |
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Mauer Company LLC
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$645,822.10 |
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Armodus, LLC
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$688,512.00 |
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Cardis Fence & Iron Co
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$768,083.87 |
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Nelson & Rock Contracting Inc
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$789,002.01 |
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R&R Fencing and Supply
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$899,186.00 |
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American Fence Company of Sioux City, Inc
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$928,851.99 |
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| POWESHIEK -- PROJECT # 27-05-79-01 7/23/2026 Large Project Letting
| DIAMOND LAKE
| | DRAWDOWN & STRUCTURE INSTALLATION | | | | BIDS RECEIVED: |
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RW Excavating Solutions LC
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$752,888.63 |
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Aaron Crane Construction LLC
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$775,576.00 |
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DeLong Construction, Inc
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$804,770.00 |
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Midwest Augers, Inc
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$823,456.00 |
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JB Holland Construction, Inc
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$880,689.75 |
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Three Oaks Construction, Inc
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$1,080,410.20 |
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| DICKINSON -- PROJECT # 23-01-30-04 7/23/2026 Small Project Letting
| GREAT LAKES WILDLIFE UNIT
| | NEPPLE WMA WETLAND RESTORATION | | | | BIDS RECEIVED: |
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Carney Drainage & Excavating
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$22,642.00 |
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John Healy dba Healy Excavating
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$28,015.00 |
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McCarty Custom Inc
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$29,243.00 |
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H Johnson Services LLC
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$32,600.00 |
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Diamond Concrete & Construction Inc
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$36,170.44 |
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Flewelling Earthmoving Inc
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$38,935.60 |
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Nelson & Rock Contracting Inc
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$55,890.50 |
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Cohrs Construction Inc
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$62,940.00 |
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| JACKSON -- PROJECT # 25-06-49-02 7/23/2026 Small Project Letting
| MAQUOKETA CAVES STATE PARK
| | LOW WATER CROSSINGS AND BRIDGE DEMOLITION | | | | BIDS RECEIVED: |
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Lansing Brothers Construction
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$14,640.00 |
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Top Grade Excavating Inc
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$18,244.00 |
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Laubes Backhoe & Hauling LLC
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$18,760.00 |
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H Johnson Services LLC
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$23,900.00 |
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Legacy Trails LLC
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$24,340.00 |
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CAJ Enterprises
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$24,594.06 |
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Jones Contractors & Associates LLC
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$98,800.00 |
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