PROJECTS LETTING -  August , 2026

 
 
bid envelopes

 
 

The following projects are currently advertised for bids. Interested bidders may find general information about each project, as well as printable actual Contract Documents in PDF format. The general information is the same project description provided to Newspapers and by direct mail solicitations. The Contract Documents include the Drawings and the entire Project Manual.  Drawings can be printed on any regular or large format printers. The Project Manual includes Proposal Forms,  Front End Documents, General and Supplementary Covenants, and Technical specifications. All these are also completely printable.

Effective October 2009, the Department will no longer be responsible for providing hard copy notice to bidders or addenda to either contractors or plan rooms. An email listserv has been created to communicate electronically with vendors currently on file with the DNR. As a member of this listserv, you will receive electronic notice to bidder information on a regular basis. To subscribe to this list, click here.

The Department will be utilizing the vendor Beeline and Blue to provide printed copies of Plans and Specifications and Addenda upon request. The department will no longer provide complimentary copies of Plans and Specifications to contractors or sub-contractors after award of the contract. Please visit dfs.beelineandblue.com/iowa or contact (515) 244-1611 for more information.

To access any of these, unless you have already done so, you will need to download and install Acrobat Reader from the Adobe Website. 
You may obtain a free download from
 

Click on the project names below to view the one(s) which interest you.

BOONE 25-02-08-01 Ledges State Park - Wastewater Improvements-2026-08-20   
FAYETTE 25-03-33-01 Volga River - Wastewater Improvements-2026-08-20   
WASHINGTON 25-06-92-02 Lake Darling and Lake Geode State Parks - Accessibility Improvements-2026-08-20   
WEBSTER 23-02-94-04 Gypsum City OHV Park - ATV Bridge - REBID-2026-08-20   
WASHINGTON 23-06-92-04 Lake Darling State Park - Stone Entry Portal -2026-08-27   




BOONE -- PROJECT # 25-02-08-01                8/20/2026                Large Project Letting
LEDGES STATE PARK
WASTEWATER IMPROVEMENTS
Proposal Guarantee: $50,000
Completion Date: 6/30/2027

   The project will upgrade the existing wastewater lagoon system. The project includes flow meter and sampling manholes, chlorination and de-chlorination chemical treatment, a baffle curtain, upgraded aeration equipment, valves, manholes, a nitrate reactor, a lift station, and a forcemain. Electrical work and fencing is also included.

ESTIMATED QUANTITIES:
    Excavation, Class 10, Imported Fill     1,020 C.Y.
    Sanitary Sewer Gravity Main, Trenched, PVC, 6"     143 L.F.
    Sanitary Sewer Force Main, Trenched, PVC, 2"     308 L.F.
    Sanitary Sewer Force Main, Trenched, PVC, 3"     43 L.F.
    Removal of Sanitary Sewer, PVC, 6"     75 L.F.
    Sanitary Sewer Abandonment, Plug     6 Each
    Valve, Plug, 6"     3 Each
    Manhole, SW-301, 48"     2 Each
    Chain Link Fence, Commercial     300 L.F.
    Wattle, 9"     500 L.F.
    Wattle, Removal     500 L.F.
    Site Restoration     1 L.S.
    Mobilization      1 L.S.
    Electrical, Complete     1 L.S.
    Flow Meter Manhole     1 Each
    Baffle Curtain     1 Each
    Nitrate Reactor, Complete     1 L.S.
    Portable Composite Sampler     1 Each
    Chemical Tablet Feeder     2 Each
    Aeration Equipment     1 L.S.
    Yard Hydrant     1 Each
    Chlorine Contact Septic Tank, 1,000-gal     2 Each
    Lift Station, Complete     1 L.S.

notice to bidders

download plans and specs

Plans can be ordered by following this link: http://bit.ly/IADNRPlans

planholders list




FAYETTE -- PROJECT # 25-03-33-01                8/20/2026                Large Project Letting
VOLGA RIVER
WASTEWATER IMPROVEMENTS
Proposal Guarantee: $25,000
Completion Date: 6/30/2027

   The existing lagoon system will receive a variety of improvements, including new aerators, sampling and flow meter manholes, and chlorination and de-chlorination with tablet feeders. Electrical work is also included.

ESTIMATED QUANTITIES:
    Excavation, Class 10, Waste     30 C.Y.
    Sanitary Sewer Gravity Main, Trenched, PVC, 6"     63 L.F.
    Removal of Sanitary Sewer, 6"     90 L.F.
    Removal of Existing Aeration Equipment     1 L.S.
    Floating Aerators     1 L.S.
    Chemical Tablet Feeder     2 Each
    Portable Composite Sampler     1 Each
    Flow Meter Manhole     1 Each
    Chlorine Contact Septic Tank, 1,000-gal     2 Each
    Dechlorination Manhole     1 Each
    Chain Link Fence, Commercial     134 L.F.
    Removal of Fence     38 L.F.
    Wattles, 9"     500 L.F.
    Wattles, Removal     500 L.F.
    Site Restoration     1 L.S.
    Mobilization     1 L.S.
    Electrical, Complete     1 L.S.

notice to bidders

download plans and specs

Plans can be ordered by following this link: http://bit.ly/IADNRPlans

planholders list




WASHINGTON -- PROJECT # 25-06-92-02                8/20/2026                Large Project Letting
LAKE DARLING AND LAKE GEODE STATE PARKS
ACCESSIBILITY IMPROVEMENTS
Proposal Guarantee: $12,500
Completion Date: 5/14/2027

   This project includes paving ten campsites, including three ADA compliant sites, curb and gutter, minor grading and other ADA improvements within Darling State Park. Also includes minor sidewalk and paving at Geode State Park.

ESTIMATED QUANTITIES:
    Mobilization     1 L.S.
    Demolition     1 L.S.
    Granular Subbase     450 Tons
    Curb and Gutter     208 L.F.
    PCC Pavement, 6" Depth     1,490 S.Y.
    Erosion Stone     32 Tons
    Electrical Pedestal     2 Each
    ADA Hydrant     1 Each
    Fire Ring     7 Each
    Fire Ring - ADA Model     3 Each
    Gangway     2 Each
    PCC Abutment     3 Each
    PCC Bumpout     1 Each
    PCC Sidewalk     220 S.Y.
    Site Restoration     1 L.S.

notice to bidders

download plans and specs

Plans can be ordered by following this link: http://bit.ly/IADNRPlans

planholders list




WEBSTER -- PROJECT # 23-02-94-04                8/20/2026                Large Project Letting
GYPSUM CITY OHV PARK
ATV BRIDGE - REBID
Proposal Guarantee: $25,000
Completion Date: 5/15/2027

   This project consists of installing an ATV bridge, footings, and approaches.

ESTIMATED QUANTITIES:
    Mobilization     1 L.S.
    Class 10 Excavation     104 C.Y.
    100' x 8' Pratt-Truss Bridge     1 Each
    Bridge Headwall and Foundation     2 Each
    Construction Staking     1 L.S.
    Site Restoration     1 L.S.

notice to bidders

download plans and specs

Plans can be ordered by following this link: http://bit.ly/IADNRPlans

planholders list




WASHINGTON -- PROJECT # 23-06-92-04                8/27/2026                Small Project Letting
LAKE DARLING STATE PARK
STONE ENTRY PORTAL
Proposal Guarantee: $0
Completion Date: 12/11/2026

   Project includes removing the existing entrance portal (sign) at Lake Darling State Park and replacing it with a standard Iowa DNR Design Guide stone entry portal. Email [email protected] for bid documents.

Contact:
Bruce Flippin
515-689-8009
[email protected]