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BidSonar is an independent index of public-sector opportunities. We aggregate data from official sources and are not affiliated with any procurement body. Data is licensed under the Open Government Licence v3.0 and the EU TED reuse notice.

    ContractsOperation and Maintenance of Wastewater Treatment Plant
    Closed contract

    Operation and Maintenance of Wastewater Treatment Plant

    Contract value
    €480k
    Closed 11 Jun 2025

    This contract involves the operation and maintenance of the Wastewater Treatment Facilities (WWTF) in Koufalia, Chalkidona - Adenro, and the internal sewage network and vacuum pumping station of the Adenro community for a duration of two (2) years. Specifically, the operation and maintenance of the

    🇬🇷GreecePublished 5 May 2025· 1 years agoviaTED
    Contract value
    €480k
    Closed 11 Jun 2025
    Tender deadline passed on 11 Jun 2025.

    Decision brief

    4 fields
    • Contract value
      est.€480,000
      Euros
    • Tender closed
      11 Jun 2025
      1 years ago
    • Sector
      Environmental Services
      Browse related listings
    • Location
      🇬🇷Greece

    Lifecycle

    Closed

    Tender closed on 11 Jun 2025. Awaiting award.

    5 May 2025Today11 Jun 2025

    Brief

    This contract involves the operation and maintenance of the Wastewater Treatment Facilities (WWTF) in Koufalia, Chalkidona - Adenro, and the internal sewage network and vacuum pumping station of the Adenro community for a duration of two (2) years. Specifically, the operation and maintenance of the facility includes: (a) Operating the WWTF in accordance with the construction study to ensure compliance with approved environmental operating conditions, (b) Routine maintenance of the facilities and cleaning of individual treatment units to ensure they are in excellent condition and functioning properly, as detailed in the 'Technical Specifications' document of the study, and (c) Operating the internal sewage network and the vacuum pumping station of the Adenro community.

    Track record

    1 award · 1 winner
    Thin record

    Only 1 prior award here — too little to read.

    In environmental services, Municipal Water Supply and Sewerage Company of Chalcedon has awarded 1 contract to 1 supplier.

    Who wins here
    1. KAFSIS SOLE PROPRIETORSHIP INDUSTRIAL ENERGY ANONYMOUS COMPANY1× · 100%

    Across environmental services, the most active winners are BIFFA WASTE SERVICES LTD, CHURCHILL CONTRACT SERVICES LTD, Birkin Cleaning Services Ltd — the field to beat, or your route in as a partner.

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    Operation and Maintenance of Wastewater Treatment Plant in Greece

    This contract involves the operation and maintenance of the Wastewater Treatment Facilities (WWTF) in Koufalia, Chalkidona – Adenro, and the internal sewage network and vacuum pumping station of the Adenro community for a duration of two (2) years. Specifically, the operation and maintenance of the

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    Take action
    View on sourceTED

    Original closed notice on the publisher's site

    Publisher
    Publications Office of the European Union
    Licence
    EU 2011/833/EU + TED reuse notice
    Source
    ted.europa.eu
    Record ID
    290296-2025
    MW
    Buyer
    Municipal Water Supply and Sewerage Company of Chalcedon
    Sector
    Environmental Services