Water tenders — page 6
807 listings tracked right now · page 6 of 17
Grants and contracts for water supply, treatment, reuse and resilience. The active funders are the World Bank and regional development banks, EU LIFE and Horizon, the US EPA, and water utilities procuring through the public-tender feeds. Listed below are the open water tenders and contract notices that landscape produces, taken from each buyer's own notice and re-checked on every refresh.
Procurement is dominated by water utilities, port authorities, municipalities and the development banks financing them. Contracts are typically works or long-term services rather than research, and prequalification on prior comparable projects is common. Development-bank-financed notices follow the bank's own procurement rules, which are generally more open to non-domestic bidders than a purely national tender would be.
This page lists open water tenders and public contracts currently tracked by Raise Lens — 807 of them right now, sorted with the soonest deadline first. Every listing has been classified against the sustainability taxonomy rather than matched on keywords, so what appears here is water work rather than anything whose description happens to mention it.
39 distinct buyers are publishing the water tenders and public contracts on this page. Who is funding matters as much as what: eligibility, reporting burden and the realistic timeline to a decision vary far more between buyers than between individual calls, which is why the listing names the buyer on every opportunity it opens.
48 of these close within the next 30 days. Deadlines are taken from the source listing and re-checked on every refresh, but the originating buyer remains the authority — always confirm against the official notice before you submit.
Plumbing service for maintenance and repair of drinking water networks and infrastructure
Junta de Gobierno Local de la Mancomunitat Intermunicipal d'Alcàntera de Xúquer, Càrcer, Cotes i Sellent per a l'Abastiment d'Aigües Potables i Altres Serveis · ES
A Spanish inter-municipal water association is procuring a plumbing services contract to maintain and repair its drinking water supply networks, installations and infrastructure. It suits a local SME or contractor with water-network maintenance capacity rather than a large multi-lot operator.
Object planning for engineering structures, rehabilitation of main collector 1.0
Entsorgungsverband Saar · DE
A German public wastewater authority is procuring HOAI phases 1-9 engineering design services for rehabilitating about 1.6 km of the Quierschied main sewer, using liner renovation, open and closed-trench replacement, and spot repairs. Engineering consultancies with wastewater and sewer rehabilitation experience, including SME-scale firms, are the natural fit.
Preventive and corrective maintenance: deep well, wastewater plants, water tanks, pumps
ESCUELA DE AVIACION POLICIAL · CO
This tender procures preventive and corrective maintenance of a deep water well, wastewater treatment plants, potable water storage tanks, and pumps and hydro-pneumatic equipment at the student housing and swimming pools of the Escuela de Aviación Policial in Colombia. It suits local maintenance contractors with water and wastewater plant service experience.
Sewage removal services – Framework agreement for emptying sludge and pipe flushing.
Sørreisa kommune · NO
Sørreisa municipality is procuring a framework agreement for emptying sewage sludge, flushing pipes and filming (CCTV inspection) of its wastewater network, with volumes set by budget and need. A local or regional service contractor with vacuum-tanker and sewer-inspection equipment fits best.
Tender in Mozambique: Retender Impire Dam Rehab, closes 9 Nov 2026
organisation· MZ
A conservation organisation is seeking a consulting firm for a three-month retendered assignment to support rehabilitation of the Impire Dam in Mozambique under the MozWateR water programme. A small or mid-sized engineering or water-resources consultancy with dam and water-infrastructure experience in Mozambique fits this scope.
Study for rehabilitation and reinforcement of sanitation networks, Sidi Slimane provincial directorate
SOCIETE REGIONALE MULTISERVICES RABAT - SALE - KENITRA SA · MA
This open tender procures a study for rehabilitating and reinforcing wastewater sewerage networks under the Sidi Slimane provincial directorate in Morocco. It suits engineering consultancies with wastewater network design and hydraulic study experience, including local firms.
Framework agreement for sludge emptying and pipe flushing
Sørreisa kommune · NO
Sørreisa municipality is procuring a framework agreement for sludge emptying, pipe flushing and CCTV pipe filming, with volumes set by budget and operational needs. Suited to regional SME utility-service contractors with vacuum trucks and sewer-inspection capability.
Comprehensive supervision of consultancy contracts for wastewater and water network studies
GOBERNACIÓN DEL DEPARTAMENTO ARCHIPIELAGO DE SAN ANDRES PROVIDENCIA Y SANTA CATALINA · CO
This Colombian government tender seeks an integral supervision firm (technical, administrative, financial, accounting, legal and environmental) to oversee consultancy contracts for wastewater management studies in Barrio Modelo and water and sewerage network expansion studies in Simpson Well, Barkers Bight and Laureles. It suits engineering and environmental consultancies with local supervision experience, and small firms may be able to bid given the stated value.
MI-CFT26-037 Maintenance and Technical Support for the operation of High Frequency Environmental Monitoring Stations to the Marine Institute, Newport, Co Mayo
Marine Institute_1141 · IE
This Marine Institute tender procures annual preventative maintenance and technical support for six high-frequency remote environmental monitoring stations in the Burrishoole catchment, Co. Mayo. Suited to SMEs or technical service providers with field instrumentation and environmental monitoring maintenance experience.
Comprehensive supervision of consultancy contracts for wastewater studies and network expansion
GOBERNACIÓN DEL DEPARTAMENTO ARCHIPIELAGO DE SAN ANDRES PROVIDENCIA Y SANTA CATALINA · CO
This Colombian regional government tender seeks an integral technical, administrative, financial, accounting, legal and environmental supervisor (interventoría) for consultancy contracts covering wastewater design at Barrio Modelo and sewer and aqueduct network expansion in San Andrés. It suits an engineering supervision firm with Colombian public-works experience and water or sanitation expertise.
National Senior Consultant (Expert) in Water Resources
UNDP
UNDP is recruiting a national senior individual consultant with water resources expertise, though the listing gives no scope or deliverables. Suited to an experienced water-sector professional or specialist consultancy able to bid for an individual national contract.
Sewer cleaning services – maintenance of urban wastewater collection, storage and treatment works
GRAND ANNECY · FR
Grand Annecy is procuring sewer cleaning and maintenance for the urban wastewater collection, storage and treatment network, lot 1 covering the city-centre area. It suits service contractors with vacuum and hydro-jetting equipment and crews able to work on municipal sewer assets.
Stormwater and wastewater network maintenance and repair at UPV/EHU Gipuzkoa campus
UPV/EHU - Universidad del País Vasco-La Gerente de la UPV/EHU · ES
The UPV/EHU is procuring maintenance, conservation and repair services for the stormwater and wastewater drainage networks in buildings and grounds of its Gipuzkoa campus. A local maintenance or civil-engineering contractor with SME-scale capacity and experience in drainage works would fit this contract.
MEG3-Consultant for Wastewater Polluter Registry Development in RS
UNDP · BA
A UNDP consultancy to develop a registry of wastewater polluters in Republika Srpska, Bosnia and Herzegovina, supporting water pollution control and regulatory oversight. It suits small consulting firms or individual experts with environmental regulation, water-quality, or registry/database development experience.
Supply Of Primary Tank Gear Box And Rubber Sheet For Etp On Door Delivery Basis At Hbl Plant, Lauriya
HPCL Biofuels Limited · IN
This tender procures a primary tank gearbox and rubber sheeting for an effluent treatment plant (ETP) at HBL's Lauriya biofuels plant, delivered to the site. It suits equipment suppliers and component manufacturers for wastewater treatment, including SMEs able to supply industrial gearboxes and linings.
Operation and Maintenance of Water Treatment Plant (WTP), Sewage Treatment Plant (STP), Pumping Stations, Irrigation System, Kitchen Exhaust and Ventilation System, Fire Fighting Installations, etc., at IIT Gandhinagar Campus, Palaj, Gandhinagar, Guj
Indian Institute of Technology Gandhinagar · IN
This tender covers operation and maintenance of water treatment, sewage treatment, pumping, irrigation, kitchen exhaust, and fire-fighting systems on the IIT Gandhinagar campus. It suits an O&M services contractor with water and wastewater plant experience in India, and a small firm with the right technical staff could credibly bid.
Supply of chemicals for Nizwa Hospital water treatment plant - 5
وزارة الصحة · OM
This Omani Ministry of Health tender procures chemicals for the water treatment plant at Nizwa Hospital, under a local small and medium enterprise category. It suits local Omani suppliers of water treatment chemicals who can meet the supply requirements.
Faecal sludge removal from small treatment plants and cesspits in Stade
Hansestadt Stade · DE
The Hansestadt Stade is tendering the collection and disposal of faecal sludge from small on-site treatment plants and sealed cesspits in its wastewater service area, starting 1 January 2027. It suits regional waste-logistics or sanitation service companies with vacuum-tanker fleets and licensed sludge disposal capacity.
Materials and services for maintaining and repairing nursery irrigation system
Agencia de Medio Ambiente y Agua de Andalucía · ES
This tender procures materials and services for maintenance and repair of an irrigation system serving a network of plant nurseries operated by Andalusia's environmental water agency. Bidders should have experience in irrigation infrastructure maintenance, hydraulic systems, and horticultural water management.
Works direction services for non-potable network expansion and irrigation telemanagement, L'Hospitalet
Àrea Metropolitana de Barcelona · ES
This tender procures works direction (site supervision and project management) services for expanding a non-potable water network and adding telemanagement to the irrigation system at Parc de les Planes in L'Hospitalet de Llobregat. It suits engineering consultancies or small firms with water-network and irrigation-control experience and public works supervision credentials.
Plumbing materials supply for Northeast Tenerife irrigation modernisation works
Empresa de Transformación Agraria S.A.,S.M.E., M.P., (TRAGSA) · ES
This tender procures plumbing materials for a regenerated water distribution network serving irrigated agriculture in northeast Tenerife, funded by EU FEADER. Bidders should be plumbing suppliers or distributors with experience in agricultural water infrastructure projects.
Waste transport service for irrigation network works in Tenerife
Empresa de Transformación Agraria S.A.,S.M.E., M.P., (TRAGSA) · ES
This tender procures waste transport services for a water-infrastructure modernization project in Tenerife, Spain, funded by FEADER. Bidders should be waste-transport operators or logistics companies with local capacity in the Canary Islands.
Technical assistance services for Pinyana Canal irrigation modernisation environmental impact study
Infraestructures de la Generalitat de Catalunya, SAU · ES
This tender procures technical assistance for drafting an environmental impact assessment (EIA) for the modernization of irrigation infrastructure on the Pinyana Canal in Catalonia. The contract suits environmental consulting firms, engineering practices, and sustainability specialists with EIA expertise and water-sector experience.
Draft design for Río Verde water treatment plant upgrade, Marbella
Consejería delegada de ACOSOL, S.A.U. · ES
This tender procures drafting of a preliminary project for improving the operation and water quality of a water treatment plant (ETAP) in Marbella, Spain. Engineering consultancies and water infrastructure design firms with experience in potable-water treatment plant optimization are the primary bidders.
Technical assistance for execution design, works supervision and safety coordination, sanitation works Badajoz
Área de Fomento de la Diputación Provincial de Badajoz · ES
This tender procures technical assistance for design, construction supervision, and health-and-safety coordination for wastewater and sanitation infrastructure improvements across multiple municipalities in Badajoz province, Spain. Bidders should be engineering consultancies or multidisciplinary firms with expertise in water infrastructure design, project management, and regulatory compliance.
The input is already in English, so I'm returning it unchanged: Desalination plant maintenance for Peñón de Vélez, Alhucemas and Chafarinas Islands
Empresa de Transformación Agraria S.A.,S.M.E., M.P., (TRAGSA) · ES
This tender procures maintenance services for desalination plants on three Spanish enclaves (Peñón de Vélez de la Gomera, Peñón de Alhucemas, and Islas Chafarinas). Bidders should be specialized in desalination equipment maintenance and water infrastructure operations.
Laboratory professional services - analyses of perfluoroalkyl and polyfluoroalkyl substances (PFAS)
Ville de Saguenay · CA
City of Saguenay seeks laboratory services to analyze PFAS (per- and polyfluoroalkyl substances) in drinking water over a 2-year contract with 1-year renewal option. Qualified analytical laboratories with Canadian presence and PFAS testing capability are eligible bidders.
Operation and Maintenance of Water Treatment Plant (WTP), Sewage Treatment Plant (STP), Pumping Stations, Irrigation System, Kitchen Exhaust and Ventilation System, Fire Fighting Installations, etc., at IIT Gandhinagar Campus, Palaj, Gandhinagar, Guj
Indian Institute of Technology Gandhinagar · IN
This tender procures operation and maintenance services for water treatment, sewage treatment, pumping stations, irrigation, kitchen ventilation, and fire-fighting systems at an IIT campus in India. Bidders should be experienced in integrated facilities management, water/wastewater infrastructure, and building systems maintenance at institutional scale.
EOI - REF - 001/26
Industrial Development Corporation of South Africa Limited · ZA
Glodina Towelling seeks equipment suppliers and engineering contractors to design and install a water recycling and treatment plant that will recover 85% of dyehouse effluent for reuse, plus borehole water treatment infrastructure. Bidders should have expertise in industrial water treatment, effluent recycling systems, and textile-industry process engineering.
UNICEF-supported Clean and Green Schools and Communities Programme in 5+5 Gram Panchayats of Jharsuguda District, Odisha
UNICEF · IN
UNICEF-supported programme to implement clean and green infrastructure, sanitation, waste management, and environmental education across 10 gram panchayats in Jharsuguda District, Odisha. Bidders should be NGOs, social enterprises, or local implementation partners with experience in community-based environmental and WASH interventions in rural India.
Design and works supervision, stormwater drainage upgrades, Palmanova and Magaluf
Alcaldía del Ayuntamiento de Calviá · ES
This tender procures design and construction management for stormwater drainage network improvements and expansion in two coastal districts of Calvià municipality, Spain. Bidders should be engineering firms with expertise in hydraulic infrastructure, drainage systems design, and public works project management.
Sludge collection and disposal at wastewater treatment plant (2027)
Ville de Boisbriand. · CA
This tender procures collection and disposal of wastewater treatment plant sludge for the City of Boisbriand over one year (2027). Bidders must be established in Quebec or in territories covered by applicable trade liberalization agreements.
Digester 1 renovation at Hildesheim WWTP: structural and MEP engineering
Stadtentwässerung Hildesheim AöR · DE
This tender procures renovation and technical equipment installation for an existing anaerobic digestion tank (Faulbehälter) at a municipal wastewater treatment plant in Hildesheim, Germany. Bidders should have expertise in wastewater infrastructure engineering, digester rehabilitation, and biogas system technical outfitting.
Technical assistance for preliminary design of Rioseco water plant expansion
Consorcio para el Abastecimiento de Agua y Saneamiento en el Principado de Asturias · ES
Technical assistance for drafting a preliminary project for expansion of a water treatment plant (ETAP) in Rioseco, Asturias. Bidders should be engineering consultancies with expertise in water infrastructure design and project development.
The input is already in English, so it is returned unchanged: Third general safety review of Sichar, Alcora and María Cristina dams
Presidencia de la Confederación Hidrográfica del Júcar · ES
Third safety review and general analysis of four dams and reservoirs in Castellón, Spain, operated by the Júcar River Basin Authority. Bidders should have expertise in dam engineering, structural assessment, hydrotechnical analysis, and safety compliance auditing.
Engineering services: preliminary design for Rioseco water treatment plant expansion
Consorcio para el Abastecimiento de Agua y Saneamiento en el Principado de Asturias · ES
Engineering services for technical assistance in drafting a preliminary project for expansion of a water treatment plant (ETAP) in Asturias, Spain. Bidders must be engineering firms capable of alternatives analysis, treatment technology design, O&M planning, and commissioning protocols for potable-water infrastructure.
Sewer network televised inspections and works acceptance control services
COMMUNAUTE D'AGGLOMERATION DE MARNE ET GONDOIRE · FR
This tender procures sewerage network inspection, testing, and rehabilitation services including TV inspections, compaction control, and leak detection for a French agglomeration. Bidders should be specialized wastewater/sewerage contractors with expertise in non-destructive testing and network diagnostics.
Upgrade existing structures (chamber B7) and bypass; civil engineering SIA 41-53
Comune di Lumino · CH
This tender procures civil engineering design and construction services to upgrade water management infrastructure in Lumino, Switzerland, separating stream water from mixed sewage systems. Civil engineering firms and water infrastructure specialists with experience in hydrological systems and regulatory compliance are the target bidders.
Health and safety coordination for Empalot A620 stormwater treatment upgrade
DIRSO · FR
This tender procures a health and safety coordination mission for the upgrade of a stormwater treatment system at Empalot on the A620 motorway in France. The contract suits engineering consultancies and project-management firms with expertise in water infrastructure, environmental compliance, and construction-phase safety coordination.
Global purchase of chemical products
Ville de Gatineau. · CA
City of Gatineau seeks chemical products for water treatment across potable water plants, wastewater treatment, leachate facilities, and municipal pools. Bidders must be chemical suppliers capable of delivering treatment-grade products to municipal water infrastructure.
Site direction, safety and health coordination for wastewater treatment phase IV works
Consejería de Agricultura, Pesca, Agua y Desarrollo Rural. D.G. de Infraestructuras del Agua (En Transición) · ES
This tender procures site management, safety coordination, and health oversight for Phase IV wastewater treatment infrastructure works in Spain. Bidders should be engineering firms or safety consultants with experience in water infrastructure project management and occupational health compliance.
Service to Prepare Feasibility Studies for Process Optimisation of Wastewater Treatment Plants in the Republic of Moldova
United Nations Industrial Development Organization · MD
UNIDO is seeking a consultant to prepare feasibility studies for optimising process operations at wastewater treatment plants in Moldova. Suited to engineering or environmental consultancies with wastewater treatment expertise, including small firms able to deliver a studies-scale contract.
Service to Prepare Feasibility Studies for Process Optimisation of Wastewater Treatment Plants in Ukraine
UNIDO · UA
UNIDO seeks a consultant to prepare feasibility studies for optimising the process performance of wastewater treatment plants in Ukraine. Suited to engineering consultancies or environmental SMEs with wastewater treatment design and process-assessment experience.
Service to Prepare Feasibility Studies for Process Optimisation of Wastewater Treatment Plants in the Republic of Moldova
UNIDO
UNIDO seeks a consultant or firm to prepare feasibility studies for optimising wastewater treatment plants in Moldova. Suited to environmental engineering consultancies with wastewater treatment expertise, including small specialist firms.
Urban planning surveys and framework agreement 2027–2030
Raahen kaupunki · FI
Raahe city procures a framework agreement for urban planning (master plans) and related environmental/technical surveys across 13 specialist areas (ecology, archaeology, cultural heritage, soil, energy, water, noise, legal) for 2027–2030. Bidders must be qualified consultants in one or more of these domains, capable of delivering planning-support studies to municipal standards.
Feasibility study, advisory service, analysis – drinking water supply master plan for SICASIL
SICASIL (06) · FR
A French drinking-water authority (SICASIL) is procuring a study to assess its existing potable water supply system and propose optimisation options plus a 10-year works schedule. Consulting engineering firms with water-network master-planning experience are the natural fit, and SMEs could credibly bid.
Maintenance and upkeep of sewage pumping stations and treatment plants, three lots
SOCIETE REGIONALE MULTISERVICES FES - MEKNES S.A · MA
This open tender procures maintenance and upkeep services for wastewater pumping stations and sewage treatment plants (STEP) in three lots covering the provinces of Taounate, Taza and Boulemane in Morocco. It suits local or regional maintenance contractors with wastewater operations experience and the capacity to deliver per-province service.
Study and technical assistance for supervising Aknoul sewerage network and wastewater treatment plant works
SOCIETE REGIONALE MULTISERVICES FES - MEKNES S.A · MA
This tender procures engineering consultancy and technical assistance to supervise construction works on the sewerage network and wastewater treatment plant (STEP) in the Aknoul centre, Taza province, Morocco. It suits engineering consultancies or design-supervision firms with water and sanitation experience, likely bidding as a service contract under an open tender.