Water Treatment Plant Contracts & Bids
Potable water treatment plant construction, upgrade, and operation including filtration, disinfection, pumping stations, storage tanks, membrane systems, chemical feed, and drinking water infrastructure and process equipment for municipal water utilities.
63 open Water treatment plants opportunities right now — 3 federal, 60 state & local.
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Water treatment plants contract activity
A current snapshot based on 50 of 63 open listings shown on this page. Counts update with the directory.
- BidNet (local govts)24
- Virginia (eVA)6
- France (BOAMP)3
- King County, WA2
- OpenGov (local govts)2
- Other13
Deadline outlook
- Next 30 days
- 39
- Later
- 9
- Open / rolling
- 2
Most represented buyers
- Virginia (eVA)6
- California4
- France (BOAMP)3
- Iowa3
- Other34
30 of the listings shown were posted in the last 30 days. BidNet (local govts) contributes the largest share (24). Virginia (eVA) is the most represented buyer in this snapshot.
- State/localAshland Water Treatment PlantOregon (OregonBuys) · due Nov 5, 2026
The City of Ashland is requesting Bids for the construction of the Ashland Creek Water Treatment Plant. The Project includes the Construction of a new drinking water treatment plant including raw water conveyance, pressure reduction, chemical pretreatment equipment, filtration, filtered water storage and pumping, chemical storage and metering, water and sewer lines, and all other work described in the contract documents for a complete and functioning system.
More - State/localKYLE WWTP EXPANSION PHASE 2, FULL WORKS PACKAGECity of Kyle · due Oct 22, 2026
The City of Kyle Wastewater Treatment Plant is currently undergoing construction of the Early Works Package (EWP), which will provide an additional 1.5 million gallons per day (MGD) of treatment capacity. The EWP represents the initial phase of a comprehensive plant expansion with the completion of the Full Works Package (FWP) Expansion, which will ultimately increase the facility’s treatment capacity to 9.0 MGD. The expansion includes the construction of several new treatment and support…
More - State/localCity of Ashland, Ashland Creek Water Treatment PlantAshland, OR · due Nov 5, 2026
The Project includes the following Work: Construction of a new drinking water treatment plant including raw water conveyance, pressure reduction, chemical pretreatment...
More - State/localHAINES FERRY TERMINAL - POTABLE WATER TREATMENT PLANT IMPROVEMENTSAlaska DOT&PF · due Dec 31, 2026
This project would make improvements to the drinking water treatment plant at the ferry terminal to ensure compliance with the Alaska DEC Surface Water Treatment regulations.
More - State/localWater Treatment Plant Improvements Phase 1: Buildout of the Existing Nanofiltration Facility (State Revolving Fund)City of Pompano Beach, FL · due Nov 2, 2026
The City of Pompano Beach (the "CITY") is interested in receiving proposals in response to the attached ITB for Water Treatment Plant Improvements Phase 1: Buildout of the Existing Nanofiltration Facility (State Revolving Fund). Proposers must be registered with OpenGov Procurement to view the solicitation documents and respond to this solicitation. The complete solicitation document can be downloaded for free from the eBid System at…
More - State/localWastewater Treatment Plant Centrifuge FacilityVirginia (eVA) · due Oct 16, 2026
The work includes a new Centrifuge Building with semi-enclosed truck bay, centrifuge, biosolids incline belt conveyor and distribution conveyor, polymer feed system, sludge pumps, and all associated piping, SCADA, controls, electrical, HVAC, plumbing, and electrical.
More - State/localTown of Orange Water Treatment Plant Chemical Feed Building - PPEAVirginia (eVA) · due Dec 23, 2026
The Town of Orange has received and accepted for publication and conceptual phase consideration an unsolicited proposal under the provisions of the Public-Private Education Facilities and Infrastructure Act of 2002 (PPEA) and the Town of Orange's Guidelines for Public-Private Education Facilities and Infrastructure Act 2002 (Guidelines). For complete information see the attachments or visit our website https://www.townoforangeva.gov/183/Procurement
More - State/localAddition to Existing Water Pollution Control PlanGeorgia (state) · due Nov 5, 2026
Improvements to the City of Hephzibah Water Pollution Control Plant, including furnishing all materials, equipment, and performing all labor necessary for constructing the proposed Bar Screen and structure, Wastewater Treatment System with electrical room and blowers, Chlorine Contact Chamber, including earth excavation, backfilling, grading, concrete structures, piping, electrical, mechanical work, painting, grassing, erosion control and all other work and all appurtenances required.
More - State/localAVISO DE SUBASTA ENMENDADO - REVISION #1 NUEVAS FECHAS - REUNIÓN PRE-SUBASTA Y APERTURA DESIGN AND BUILD FOR THE ELIMINATION OF THE BARRIO NUEVO WATER TREATMENT PLANT BAYAMÓN, PR CIP NUMBER: 1-11-6011 / PWSID: 5557 — Autoridad de Acueductos y Alcantarillados (AAA) — (27-SP-004)Puerto Rico (Subastas) · due Dec 17, 2026
AVISO DE SUBASTA ENMENDADO - REVISION #1 NUEVAS FECHAS - REUNIÓN PRE-SUBASTA Y APERTURA DESIGN AND BUILD FOR THE ELIMINATION OF THE BARRIO NUEVO WATER TREATMENT PLANT BAYAMÓN, PR CIP NUMBER: 1-11-6011 / PWSID: 5557
More - State/localPlant 61 Filter Rehabilitation Improvements ProjectWichita Falls, TX · due Nov 9, 2026
This project is generally described as the rehabilitation the media filters, filter gallery, filter control building, and associated work at the Cypress Water Treatment...
More - State/localUOSA IFB 27-02 P2NR+ ConstructionVirginia (eVA) · due Oct 22, 2026
The project generally consists of nitrogen management process improvements andcomplementary Renewal and Replacement (R/R) improvements at the Millard H.Robbins, Jr. Regional Water Reclamation Plant (RWRP). Major work includesreplacement of eight (8) screw pumps at Primary Effluent Lift Stations (PELS) 55/1and 55/2; upgrade of two (2) RAS pumps and increased pumping capacity at RASPump Station 9/1; and cyclone/settleability improvements at Selector Basins 56/1â56/3 and 56/4â56/7;…
More - State/localPower Plant Water TreatmentWashington (WEBS)
EWU is seeking a qualified water treatment contractor to provide a comprehensive water treatment program for university mechanical systems, including boiler systems, cooling tower systems, and closed-loop chilled water systems. The Contractor shall provide the chemicals, technical service, testing, monitoring, consultation, reporting, and related support necessary to maintain an effective water treatment program and promote the reliable and efficient operation of the systems.
More - State/localWastewater Treatment Plant Magnetite Removal ProjectVirginia (eVA) · due Oct 16, 2026
The work includes mobilization, solids testing, landfill coordination, and pumping and/or removalfrom tanks, dewatering operations, hauling, and disposal of wastewater solids mixed with magnetitefrom process tanks at the Front Royal Wastewater Treatment Plant. Work also includes anytemporary facilities required to perform the work.
More - State/localPLAN D'ACTIONS PRIORITAIRES EN EAU POTABLE REHABILITATION DES USINES DE TRAITEMENT D'EAU POTABLE DE MORNE HOUEL ET BEAUVALLON. 2 lotsFrance (BOAMP) · due Oct 15, 2026
PLAN D'ACTIONS PRIORITAIRES EN EAU POTABLE REHABILITATION DES USINES DE TRAITEMENT D'EAU POTABLE DE MORNE HOUEL ET BEAUVALLON - 2 lots
More - State/localMAMaC Elevated Water Storage TankVirginia (eVA) · due Oct 21, 2026
This project includes the construction of a 1-million-gallon composite elevated water storage tank with water booster pumping station in the base, piping, foundation, site work, and other associated appurtenances. To connect the tank to the existing Greensville County Water & Sewer Authority system, the project includes the construction of approximately 835 LF of 16â waterline and associated appurtenances, including two jack and bore installations totaling approximately 300 LF. The project…
More - State/localHeavy Civil GC/CM Services for STP Treatment and Electrical Improvements (TEI)King County, WA · due Oct 13, 2026
The Heavy Civil GC/CM Project includes preconstruction and construction services for the South Treatment Plant (STP) Treatment and Electrical Improvements (TEI) Project. The Project is intended to provide essential upgrades to preliminary treatment, secondary treatment, odor control systems, and electrical systems across the plant.
More - State/localHeavy Civil GC/CM Services for STP Treatment and Electrical Improvements (TEI)King County, WA · due Oct 13, 2026
The Heavy Civil GC/CM Project includes preconstruction and construction services for the South Treatment Plant (STP) Treatment and Electrical Improvements (TEI) Project. The Project is intended to provide essential upgrades to preliminary treatment, secondary treatment, odor control systems, and electrical systems across the plant.
More - State/localITB No. 26-2989-8EAR - Water Treatment Facility - HVAC ImprovementsVirginia (eVA) · due Oct 14, 2026
The Work consists of all work required by the Construction Documents necessary for the HVAC Improvements project at the Henrico County Department of Public Utilitiesâ Water Treatment Facility (WTF) located at 10111 Three Chopt Road, Richmond, VA; and Raw Water Pump Station (RWPS) located at 1201 South Gaskins Road, Richmond, VA, including removal and disposal of ACU-8 and associated ACC-2, ACU-9 and associated ACC-3, ACU-10 and associated ACC-5, ACU-11 and associated ACC-6, ACU-7 and…
More - State/localDanbury Wastewater Treatment Plant Chemical Feed ImprovementsOttawa County, OH
Sealed bids for the furnishing of the necessary materials and construction of the Ottawa County Danbury Wastewater Treatment Plant Chemical Feed Improvements. Bids will be...
More - State/localDESIGN AND BUILD FOR THE REHABILITATION OF THE POZAS CIALES WATER TREATMENT PLANT CIALES, PR CIP NUMBER: 2-20-5019 PWSID: 3802 — Autoridad de Acueductos y Alcantarillados (AAA) — (27-SP-009)Puerto Rico (Subastas) · due Dec 3, 2026
DESIGN AND BUILD FOR THE REHABILITATION OF THE POZAS CIALES WATER TREATMENT PLANT CIALES, PR CIP NUMBER: 2-20-5019 PWSID: 3802
More - State/localWATER TREATMENT PLANT FILTRATION IMPROVEMENTS - General/Mechanical WorkPennsylvania · due Oct 28, 2026
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- State/localWASTEWATER TREATMENT PLANTS NO.2 AND 3 SEPTAGE RECEIVING STATION IMPROVEMENTSCalifornia · due Oct 29, 2026
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- State/localWASTEWATER PRETREATMENT PLANT OPERATION AND MAINTENANCE SERVICESDistrict of Columbia · due Nov 5, 2026
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- State/local69th Street Wastewater Treatment Plant (WWTP) Oxygen Plant ReplacementCity of Houston, TX · due Oct 15, 2026
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- State/localConstruction d'ouvrages pour le stockage sur l'usine de production d'eau potableFrance (BOAMP) · due Nov 12, 2026
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- State/localNW SEWER INTERCEPTOR (A) & STILL CREEK SEWER PLANT BANK STABILIZATION (B) & STILL CREEK WWTP PUMP REPLACEMENT (C)Brazos Valley e-Marketplace (College Station/Bryan), TX · due Nov 3, 2026
Frequently asked
63 open Water treatment plants opportunities are posted right now — 3 federal and 60 state & local — updated daily.
GovBidAlerts matches open federal (SAM.gov), state, and local solicitations to the Water treatment plants category with AI, so you can browse Water treatment plants bids and RFPs across every level of government in one place.
Federal award history by NAICS code
Federal buyers file Water treatment plants under these industry codes. Each code page shows who has won that work, which agencies buy it, and typical award sizes.