Muscatine Power and Water is seeking sealed bids for the design, fabrication, supply, testing, delivery, and documentation of six FGD slurry…
Closed bids
Closed Iowa Water and Wastewater Bids & RFPs
- Closed in the last 30 days
- 5
- Closed this year
- 27
- Closed bids on record
- 31
Bid Banana holds 31 closed Iowa water and wastewater solicitations. These are the 31 that closed most recently. In the last 12 months, the most Iowa water and wastewater bids closed in October 2026 (5); the agencies behind the most of the 31 most recent were City of Ames, Iowa Department of Administrative Services and City of Dubuque.
Recently closed
- U9 FGD/BATW ZERO LIQUID DISCHARGE PROJECT
- WASTEWATER TREATMENT PLANT FACILITY PLAN PHASE 1 IMPROVEMENTS PROJECT
The City of Sioux City is seeking qualified contractors to execute Phase 1 improvements of its wastewater treatment plant. The scope…
- Sac & Fox Tribe of the Mississippi in Iowa Water Treatment Facility Improvements BMI Project No. 25X.137390
The Sac & Fox Tribe of the Mississippi in Iowa is seeking sealed proposals to furnish and install a reverse osmosis water treatment system…
- UI Health Care - Pomerantz Family Pavilion - LL2 - Water Softener System Replacement
- ORLEANS AVENUE WATER MAIN IMPROVEMENTS PROJECT (S. ROSWELL STREET TO 6TH AVENUE)
The City of Sioux City is seeking bids to replace approximately 2,300 linear feet of 8‑inch water main on Orleans Avenue between S. Roswell…
- WRF Building 75 Boilers and Heat‑Loop Improvements
The project modernizes the Wastewater Reclamation Facility’s Building 75 boiler plant and associated heat‑loop system. It requires phased…
Show 25 more
- 666997 - CDBG 2024 Disaster Recovery - General Infrastructure
The Iowa Economic Development Authority is offering a Community Development Block Grant‑Disaster Recovery (CDBG‑DR) program focused on…
- Water System Variable Frequency Drive Replacements
The City of Cedar Rapids Water Division is seeking bids for the replacement of variable frequency drives at several water treatment plants…
- 27CRDLWBMBALM-0001 - Alum Applications at Casey Lake (Tama Co.)
The Iowa Department of Natural Resources seeks a qualified contractor to perform an alum (liquid aluminum sulfate) and sodium aluminate…
- Water Treatment Chemicals at Cherokee
• Supply of specified water‑treatment chemicals and related reagents for boiler and cooling‑tower systems. • Provide full water‑analysis…
- Water Filter Pitchers
The City of Cedar Rapids Water Division is seeking bids from qualified vendors for the purchase and delivery of up to 500 water pitcher…
- Water Treatment Chemicals and Services - Iowa Medical Classification Center
This solicitation seeks a vendor to provide a comprehensive water‑treatment chemicals and services program for the Iowa Medical…
- Well No. 7 Rehabilitation-Phase 3 Project
The Well No. 7 Rehabilitation-Phase 3 Project involves adding a sand separator to the pump at Well No. 7, including the removal of the…
- Donnellson Maintenance Garage: Sanitary Sewer Line Repairs
The Iowa Department of Transportation is seeking competitive quotes to perform interior and exterior plumbing repairs at the Donnellson…
- High Service Pump Variable Frequency Drive (VFD)
The City of Ames is seeking a qualified contractor to provide and install a variable frequency drive (VFD) for a high service pump at the…
- Tama Brine Building Water Line Extension.
The Iowa DOT is seeking competitive bids to install a new 6‑inch water main and associated infrastructure linking the City of Tama water…
- WRA Polk City South Pump Station Rehabilitation
The Des Moines Metropolitan Wastewater Reclamation Authority is seeking qualified contractors to rehabilitate the Polk City South Pump…
- High Service Pump Station Pipe Repair and Recoating
The City of Ames is seeking bids from qualified companies to perform pipe repairs at the Water Treatment Plant High Service Pump Station…
- Water Treatment Chemicals and Services for Capitol Complex
The State of Iowa is seeking a qualified vendor to provide a comprehensive water‑treatment chemicals and services program for the Capitol…
- 32740 - CDBG Water/Sewer/Storm Water
The Iowa Economic Development Authority is offering up to $500,000 per community in Community Development Block Grant (CDBG) funding for…
- Trailered Sewer Vacuum, 800 Gallon
The Iowa Department of Transportation is seeking competitive sealed bids for a trailer‑mounted 800‑gallon sewer vacuum system, including the…
- 2026 Storm Sewer Project
The City of Marion is seeking competitive bids to replace and upgrade its storm‑sewer system, including associated water‑main work, curb and…
- High Service Pump Station Pipe Repair and Recoating
The City of Ames is seeking bids from qualified companies to perform pipe repairs at the Water Treatment Plant High Service Pump Station…
- Water Filter Replacement
Iowa State University of Science and Technology (ISU) is soliciting proposals from qualified contractors to provide water filter replacement…
- 2026 Sanitary Improvements Project
The City of Marion is seeking contractors to perform a municipal sanitary‑sewer upgrade in Marion, IA. The scope includes compaction…
- NADC Pump Station Backflow Device Replacement
The City of Ames is soliciting bids from qualified contractors to replace valves and a backflow prevention system at the NADC Pump Station…
- 2026 Sanitary CIPP Project
The City of Marion is seeking competitive sealed bids for a municipal sanitary pipe rehabilitation project using Cured‑In‑Place Pipe (CIPP)…
- 2025 SODIUM HYPOCHLORITE
The City of Dubuque Water Department is requesting bids for the purchase and delivery of Sodium Hypochlorite. The initial term of the…
- Aluminum Sulfate Treatment for Iowa Lakes
The Iowa Department of Natural Resources is seeking bids for the aluminum sulfate treatment of Lake of Three Fires, Green Valley Lake, and…
- DOC Fort Dodge Correctional Center Water Treatment Control System Replacement
The State of Iowa is seeking to replace the Water Treatment Control System at the Fort Dodge Correctional Facility. The proposed system…
- FY2026 HYDROFLUOROSILICIC ACID
The City of Dubuque Water Department is requesting sealed bids for the purchase and delivery of Hydrofluorosilicic Acid for fiscal year…