Supply · Wastewater treatment plants
STEP de Noës - EM003 - Biogas treatment and upgrading by CCF
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6 days left
Canton VS (Canton taken from the place given in the notice)RWB Valais SAPublished 11.11.2026Open procedure
Public tenders: Wastewater treatment plants
33 open tenders
Filter in the listOverview
For Wastewater treatment plants, 33 public tenders are currently open in Switzerland, 7 of them with a deadline in the next 14 days. Most are in the canton of Vaud.
33open tenders
7with a deadline in the next 14 days
8new in the last 7 days
By canton
- Vaud9
- St. Gallen5
- Aargau4
- Zurich4
- Valais3
By type
- Construction and installation1648%
- Supply1339%
- Service412%
- Service · Wastewater treatment plants
WWTP Briglina Realisation. BKP 334.01 Measurement Technology
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37 days left
Canton VSZweckverband ARA Briglina – Ausbau und EMV (SPI)Published 07.11.2026Open procedureQuestions until 20.11.2026 - Supply · Wastewater treatment plants
Troistorrents WWTP – Dewatering renewal
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30 days left
Canton VSRWB Valais SAPublished 06.11.2026Open procedureQuestions until 20.11.2026 - Construction and installation · Electrical installations
Vuippens AIS WWTP – Treatment of reject water – Lot EMCR02 – Electrical installations
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36 days left
Canton FRAIS - Ass. Interc. bassin SiongePublished 06.11.2026Open procedureQuestions until 26.11.2026 - Service · Wastewater treatment plants
Landfill disposal services for the following waste: sand, stones and pebbles from wastewater treatment - wet ash from sewage sludge incineration - dry ash from sewage sludge incineration
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37 days left
Canton VDEpura SA - ExploitationPublished 06.11.2026Open procedureQuestions until 04.12.2026 - Supply · Wastewater treatment plants
erzo WWTP, sewage sludge drying Oftringen - Pumps and conveyor technology for dewatered sewage sludge
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35 days left
Canton AGerzo ARA (Hunziker Betatech)Published 06.11.2026Open procedureQuestions until 29.11.2026 - Supply · Ventilation and air conditioning
Expansion WWTP Reuss-Schachen: Ventilation
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63 days left
Canton AGAbwasserverband Reuss-SchachenPublished 04.11.2026Open procedureQuestions until 06.01.2027 - Supply · Heating systems
Expansion WWTP Reuss-Schachen: Heating
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63 days left
Canton AGAbwasserverband Reuss-SchachenPublished 04.11.2026Open procedureQuestions until 06.01.2027 - Construction and installation · Demolition and dismantling
Demolition of Hornussen WWTP
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19 days left
Canton AGGemeinde BöztalPublished 03.11.2026Open procedureQuestions until 18.11.2026Mandatory site visit on 13.11.2026 - Construction and installation · Wastewater treatment plants
ARA Jungholz - Metal construction work
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68 days left
Canton ZHStadt Uster, ARA Jungholz (Hunziker Betatech AG)Published 31.10.2026Open procedureQuestions until 11.12.2026 - Supply · Wastewater treatment plants
ARA Thurau: screens, screenings presses, conveyors
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79 days left
Canton SGAbwasserverband ThurauPublished 30.10.2026Open procedureQuestions until 21.11.2026 - Supply · Wastewater treatment plants
ARA Thurau, automation and process control system
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21 days left
Canton SGAbwasserverband ThurauPublished 30.10.2026Selective procedure - Service · Building cleaning
Sewer/manhole cleaning 2027-2028 Canton of Zurich, road region I - IV
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30 days left
Canton ZHTiefbauamt, Abt. StrasseninspektoratPublished 30.10.2026Open procedureQuestions until 20.11.2026 - Supply · Wastewater treatment plants
ARA Thurau, biology equipment
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79 days left
Canton SGAbwasserverband ThurauPublished 30.10.2026Open procedureQuestions until 21.11.2026 - Supply · Wastewater treatment plants
ARA Thurau, transformer stations BKP 231.11
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65 days left
Canton SGAbwasserverband ThurauPublished 30.10.2026Open procedureQuestions until 20.11.2026 - Construction and installation · Main construction works
ARA Thurau, building contractor structural engineering West
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79 days left
Canton SGAbwasserverband ThurauPublished 30.10.2026Open procedureQuestions until 20.11.2026 - Construction and installation · Civil engineering works
ARA Oberseetal New pumped pressure pipe - Civil engineering and pipe laying works
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21 days left
Canton LUGemeindeverband ARA OberseetalPublished 23.10.2026Open procedure - Construction and installation · Main construction works
Conversion of ARA Oberseetal into a pumping station - Building and civil engineering works
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21 days left
Canton LUGemeindeverband ARA OberseetalPublished 23.10.2026Open procedure - Construction and installation · Civil engineering works
ARA Eglisau, Ausbau ARA 2030, V-601 External works and utility trenching works
12 days left
Canton ZHGemeinde EglisauPublished 22.10.2026Open procedureQuestions until 11.11.2026 - Construction and installation · Wastewater treatment plants
GC 01B Site installation - WWTP of La Saunerie - Colombier
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27 days left
Canton NESyndicat intercommunal pour la Step de la SauneriePublished 21.10.2026Open procedure - Construction and installation · Plumbing installations
WWTP Echallens - CFC 253 - POMP02 - Centrifugal pumps
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19 days left
Canton VDASET / Association intercommunale STEP Echallens Talent (TRITON)Published 19.10.2026Open procedure - Construction and installation · Building automation
WWTP Echallens - CFC 237 - INST02 - Flow measurements
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19 days left
Canton VDASET / Association intercommunale STEP Echallens Talent (TRITON)Published 19.10.2026Open procedure - Construction and installation · Roofing and sheet metal work
ARA Worblental, new EMC stage, roofing work
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23 days left
Canton BEGemeindeverband ARA WorblentalPublished 19.10.2026Open procedure - Construction and installation · Building automation
WWTP Echallens - CFC 237 - INST01 - Level measurements
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19 days left
Canton VDASET / Association intercommunale STEP Echallens Talent (TRITON)Published 19.10.2026Open procedure - Service · Wastewater treatment plants
Wastewater treatment plant ARA Gruebensteg - Expansion of ARA Rüti and connection pipe ARA Weidli
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35 days left
Canton ZHGemeinde Rüti ZHPublished 17.10.2026Open procedureQuestions until 24.11.2026 - Construction and installation · Main construction works
AERA - Transport of wastewater from Ollon to the regional WWTP - Reinforced concrete and masonry works
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1 day left
Canton VDASSOCIATION INTERCOMMUNALE POUR L’EPURATION DES EAUX USEES DE LA REGION D’AIGLE AERAPublished 08.10.2026Open procedure - Construction and installation · Ventilation and air conditioning
WWTP Eparse - lot VEN01 - ventilation systems
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5 days left
Canton VDL'Eparse - Association intercommunale pour l’épuration des eaux de la zone de PayernePublished 06.10.2026Open procedure - Supply · Wastewater treatment plants
STEP Orbe Betelec - Supply and installation of photovoltaic panels
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6 days left
Canton VDCommune d'Orbe - Services techniquesPublished 05.10.2026Open procedure - Supply · Wastewater treatment plants
STEP D'AIRE – PAC Project Lot 4.23 – 18/10kV substation for heat pump power supply
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19 days left
Canton GEServices industriels de Genève (SIG) - Direction AchatsPublished 05.10.2026Open procedure - Construction and installation · Wastewater treatment plants
STEP Eparse - Lot EL03 - Automation, control and supervision
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5 days left
Canton VDL'Eparse - Association intercommunale pour l’épuration des eaux de la zone de Payerne - CFA Ingénieurs Conseils SAPublished 02.10.2026Open procedure - Supply · Wastewater treatment plants
Supply of Ferric Chloride for Wastewater Treatment at the Vidy WWTP During the Year 2027
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7 days left
Canton VDEPURA SAPublished 01.10.2026Open procedure - Supply · Wastewater treatment plants
STEP D’AIRE 18 kV substation with control and protection system
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69 days left
Canton GEServices industriels de Genève (SIG) - Direction AchatsPublished 30.09.2026Open procedureQuestions until 13.11.2026 - Construction and installation · Metalwork
ARA Worblental, new EMC stage, metal construction works
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23 days left
Canton BEGemeindeverband ARA WorblentalPublished 12.09.2026Open procedure