Wastewater Treatment Contracts & Bids
Wastewater and sewage treatment plant construction, upgrade, and operation including aeration, clarifiers, digesters, lift stations, sludge and biosolids handling, effluent disinfection, and sanitary sewer collection system infrastructure and process equipment.
60 open Wastewater treatment opportunities right now — 0 federal, 60 state & local.
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Wastewater treatment contract activity
A current snapshot based on 50 of 60 open listings shown on this page. Counts update with the directory.
- BidNet (local govts)25
- Virginia (eVA)5
- EU (TED — Tenders Electronic Daily)4
- OpenGov (local govts)2
- Puerto Rico (Subastas)2
- Other12
Deadline outlook
- Next 30 days
- 42
- Later
- 6
- Open / rolling
- 2
Most represented buyers
- California7
- Virginia (eVA)5
- Mississippi3
- North Dakota3
- Other32
39 of the listings shown were posted in the last 30 days. BidNet (local govts) contributes the largest share (25). California is the most represented buyer in this snapshot.
- 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/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/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/localReWater – Mechanical-Electrical-Process-Automation (M&E) Packages for Wastewater Treatment/Resource PlantsDenmark (udbud.dk)
Aarhus Vand is planning to build a new wastewater ressource plant (wastewater treatment plant) located at Tangkrogen in Aarhus. In connection with the realization of the project, there is a need for various M&E suppliers to carry out the design, supply, installation, testing, and commissioning of the M&E system. The ReWater project will initially (Phase 1) treat the wastewater of 480,000 people equivalents (p.e.) with an ultimate capacity (in Phase 2) of 600,000 p.e. The incoming maximum…
More - State/localSludge Dewatering Process UpgradeOrono, ME · due Oct 21, 2026
The Base Bid work under this project includes, but is not limited to all labor, materials, equipment, and incidentals for a sludge dewatering and processing system upgrade...
More - State/localWastewater Improvements, Lacey-Keosauqua State Park, Van Buren CountyIowa (state) · due Oct 22, 2026
This wastewater treatment improvement project includes lagoon cleaning/sludge disposal, lagoon expansion, aeration upgrades, piping modifications, installation of chlorination and de-chlorination chemical treatment systems, and flume and sampling manholes at the lagoons. Electrical work is also included. *** Project documents, including plans, specifications, proposal forms, and addenda for this project are available at Beeline and Blue, 2507 Ingersoll Ave, Des Moines, IA 50312. Please visit…
More - State/localWastewater Treatment Plant No. 1A – Clarifier No. 1 RehabilitationCity of Rosenberg · due Oct 15, 2026
CONSTRUCTION DOCUMENTS AND TECHNICAL SPECIFICATIONS For Construction of Project Title for THE CITY OF ROSENBERG Rosenberg Bid Number Project ID TXE-2027-02 FORT BEND COUNTY, TEXAS Garver, LLC Engineering Job No. 2501540 12141 Wickchester Lane, Suite 200 Houston, TX 77079 (713) 395-4285 Estimated Budget: $1,000,000 Estimated Completion Days: 365 Calendar Days
More - State/localPoland – Wastewater treatment plant construction work – Przebudowa i rozbudowa istniejącej oczyszczalni ścieków w NowogardziePoland · due Oct 30, 2026
1. Przedmiotem opracowania jest zaprojektowanie i wykonanie inwestycji pn.: „Przebudowa i rozbudowa istniejącej oczyszczalni ścieków w Nowogardzie”. Obecnie funkcjonująca oczyszczalnia ścieków zlokalizowana jest w Nowogardzie, w północno-wschodniej części miejscowości przy ulicy Zamkowej 9. Przedmiot zamówienia obejmuje kompleksową realizację Inwestycji, w szczególności: a) opracowanie kompletnej dokumentacji projektowej, uzyskanie wszelkich niezbędnych decyzji administracyjnych, opinii i…
More - State/localRomania – Sewage work – GR-CL-10 - Construcția stației de epurare OgrezeniRomania · due Nov 13, 2026
Contractul include proiectare, executie lucrari si asistenta tehnica din partea proiectantului pentru obiectivul „GR-CL-10-Construcția stației de epurare Ogrezeni” in conformitate cu cerintele din Caietul de sarcini. Statia de epurare este amplasata in extravilanull localitatii Ogrezeni. In prezent, aglomerarea nu dispune de sistem centralizat de canalizare si statie de epurare. Populatia echivalenta a statiei de epurare este de 9.407 L.E. Emisarul statiei de epurare va fi raul Arges.…
More - State/localGermany – Sewage treatment works – Kläranlage Bad Waldsee - Erweiterung und Sanierung der mechanischen Stufe, Neubau Rechenhalle StahlbauGermany · due Oct 22, 2026
Die Stadt Bad Waldsee plant die Erweiterung der biologischen und mechanischen Stufe der Kläranlage Bad Waldsee. Die Erweiterung der biologischen Stufe - Neubau Belebungsbecken, Gebläsestation ist bereits abgeschlossen. Gegenstand dieser Ausschreibung ist der Neubau der Rechenhalle zur Erweiterung der mechanischen Stufe.
More - State/localDESIGN AND BUILD FOR THE REHABILITATION OF THE SLUDGE TREATMENT SYSTEM AT THE MOROVIS WATER TREATMENT PLANT RIO GRANDE, PUERTO RICO CIP NUMBER: 3-61-5018 / EPA NUMBER: C-72-101-03 — Autoridad de Acueductos y Alcantarillados (AAA) — (27-SP-007)Puerto Rico (Subastas) · due Dec 1, 2026
DESIGN AND BUILD FOR THE REHABILITATION OF THE SLUDGE TREATMENT SYSTEM AT THE MOROVIS WATER TREATMENT PLANT RIO GRANDE, PUERTO RICO CIP NUMBER: 3-61-5018 / EPA NUMBER: C-72-101-03
More - State/localWWTP SBR 1 & Digester RehabilitationPennsylvania (eMarketplace)
This Project Does Not Require You ... This Project Does Not Require You To Stop At The Visitors Center To Gain Access The Waste Water Treatment Plant Is Located Outside The Gates This Project Is A Standard Low Bid Project And Includes General Construction The Work Under This Contract Shall Generally Consist Of But Is Not Limited To Providing All Labor Material Devices Tools And Equipment Required For The Replacement Of Existing Treatment Equipment And Application Of Protective Coating System…
More - State/localBealeton Lift Station Wet Well UpgradeVirginia (eVA) · due Oct 13, 2026
Replacement of existing lift station wet well equipment and appurtenances nearing the end oftheir service life, including pumps, guide rails, base elbows, piping, and level instrumentation.Work includes recoating the wet well interior for corrosion protection and installation of safetygrates beneath access hatches to enhance safety. Construction is limited to the wet well, with noimprovements to the valve vault or metering chamber.
More - State/localEPWSA Eastside Dewatering ProjectGeorgia (state) · due Oct 22, 2026
The Eatonton Putnam Water & Sewer Authority (EPWSA) is soliciting proposals from qualified sludge dewatering equipment manufacturers to provide equipment selection recommendations and basis of design for the Eastside Water Pollution Control Plant (WPCP) in Eatonton, Georgia. The Authority and its engineer, ESG Engineering, LLC, will evaluate belt press/dewatering equipment options and select one manufacturer�s equipment and recommended configuration to serve as the Basis of Design for the…
More - State/localWATER-1019 - USA (Georgia) - Water and Wastewater Facilities Services - Deadline October 22,2026RFPMart: Water Purification & Sewage Services Supplies Components Accessories... · due Oct 22, 2026
(1) Vendor needs to provide water and wastewater facilities services to the government authority located in Georgia.• Provide planning and engineering services as requested by the county to assess, improve, repair, extend, replace, or modify the county’s water reclamation facilities, water pump stations, wastewater lift stations, and other facilities. • Include inspections and evaluations of treatment processes, equipment and facilities, engineering opinions, optimization, re–design of plant…
More - State/localDESIGN AND BUILD FOR THE IMPROVEMENTS TO THE SLUDGE TREATMENT SYSTEM OF THE SABANA GRANDE URBANA WTP SABANA GRANDE, PR CIP NUMBER: 5-62-5016 EPA NUMBER: C-72-121-13 — Autoridad de Acueductos y Alcantarillados (AAA) — (27-SP-006)Puerto Rico (Subastas) · due Dec 8, 2026
DESIGN AND BUILD FOR THE IMPROVEMENTS TO THE SLUDGE TREATMENT SYSTEM OF THE SABANA GRANDE URBANA WTP SABANA GRANDE, PR CIP NUMBER: 5-62-5016 EPA NUMBER: C-72-121-13
More - State/localITB - Biosolids Management ServicesVirginia (eVA) · due Nov 10, 2026
Management, removal, transportation, and beneficial reuse or disposal of digested Biosolids located at the Water Pollution Control Plant lagoon(s), and all required and associated work as described in the Specifications.
More - State/localGermany – Construction works for sewage treatment plants, purification plants and refuse incineration plants – GKW Stammheim, Erneuerung SchlammentwässerungGermany · due Oct 12, 2026
subreport ELViS Welcome LOGIN subreport ELViS. Username Password Language Deutsch English To registration Forgot password? subreport.de --> GTC | Privacy Policy | Order Processing | Legal notice - subreport Verlag Schawe GmbH
More - State/localDesign, construction and commissioning of a new sanitary landfill facility.Zimbabwe (PRAZ e-GP) · due Oct 20, 2026
Design, construction and commissioning of a new sanitary landfill facility (1 No)
More - State/localITB - COAGULATION BASIN GATE ACTUATOR PROJECTVirginia (eVA) · due Oct 15, 2026
The Project consists of: Approximately 8 electric actuators installed on existing influent and effluent sluice gates for the flocculation basins, and all related appurtenances. Please direct all questions to the project manager Jamie Morris at james.morris@westernvawater.org
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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/localConstruction Management Services for Wastewater OWTP: Digester Improvements-New Boiler Installation ProjectCalifornia · due Oct 30, 2026
- State/localConstruction Management Services for Wastewater OWTP: Digester Improvements-New Boiler Installation ProjectCalifornia · due Oct 30, 2026
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- State/localWastewater OWTP: Digester Improvement - New Boiler InstallationCity of Oxnard, CA · due Oct 21, 2026
- State/localWASTEWATER TREATMENT PLANTS NO.2 AND 3 SEPTAGE RECEIVING STATION IMPROVEMENTSCity of Bakersfield, CA · due Oct 29, 2026
- 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
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- State/localWastewater Treatment Plant Upgrades – Albert C. Wagner Correction Facility, Chesterfield Township, Burlington County, NJNew Jersey DPMC · due Oct 22, 2026
Frequently asked
60 open Wastewater treatment opportunities are posted right now — 0 federal and 60 state & local — updated daily.
GovBidAlerts matches open federal (SAM.gov), state, and local solicitations to the Wastewater treatment category with AI, so you can browse Wastewater treatment bids and RFPs across every level of government in one place.
Federal award history by NAICS code
Federal buyers file Wastewater treatment under these industry codes. Each code page shows who has won that work, which agencies buy it, and typical award sizes.