Source: https://tendernation.io/opportunities/01a13bb1-437f-7164-a1e5-2e8d5570554b/nant-y-caws-landfill-site-phase-1-leachate-effluent-treatment-plant-operation awarded GB open procedure # Nant-y-Caws Landfill Site Phase 1 Leachate Effluent Treatment Plant Operation [Carmarthenshire County Council](https://tendernation.io/buyers/carmarthenshire-county-council) Incumbent usually keeps it Estimated value Not stated Published 17 Dec 2025 Deadline Closed 22 Oct 2021 ## Who can bid - Open procedure Anyone can submit a full tender; there is no shortlisting stage. ## About this tender \*\* THIS IS A CONTRACT AWARD NOTICE, NOT A CONTRACT OPPORTUNITY \*\* Carmarthenshire County Council is responsible for the safe treatment and disposal of leachate arising from a closed landfill site at Nant-y-Caws, Carmarthen, UK. The leachate is currently treated via a biological treatment plant prior to discharge to a local river under a Natural Resources Wales issued Permit. The treatment plant consists of a MBBR (Mobile Bed Biological Reactor) and SAF (Submerged Aerated Filter) that successively treats the leachate to enable consented discharge to the river. The Council invited tenders for the operation and maintenance of the plant with suitably qualified and technically competent personnel. The site location and address is: Nant-y-Caws Landfill Site ### Phase 1 Nant-y-Caws Carmarthen ### SA32 8BG Contract Period: 01/02/2022 to 31/01/2025 with an extension option of up to a further 12 months. ## CPV classification Pollution tracking and monitoring and rehabilitation Sewage, refuse, cleaning and environmental services Refuse and waste related services Environmental management Environmental protection Services related to soil pollution Services related to water pollution Pollutants tracking and monitoring and rehabilitation services Water-treatment work Environmental services Operation of a water-purification plant Source Find a Tender (UK) · Notice ocds-h6vhtk-02e38c-2025-12-17T09:26:04Z [View official notice](https://www.find-tender.service.gov.uk/Notice/ocds-h6vhtk-02e38c-2025-12-17T09:26:04Z) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. [Track tenders free](https://tendernation.io/register) [Buyer profile Carmarthenshire County Council: past awards and live tenders](https://tendernation.io/buyers/carmarthenshire-county-council) [Sector More Sewage, refuse, cleaning & environmental tenders](https://tendernation.io/sectors/sewage-refuse-cleaning-environmental) ## More tenders like this [Non-hazardous refuse and waste treatment and disposal services – (135/2026) Procedura aperta, ai sensi dell'0art. 71 del D.Lgs. n. 36/2023, con aggiudicazione secondo il criterio del minor prezzo , ai sensi dell'art. 108, comma 3 del D.lgs. n. 36/2023, per la scelta del contraente cui affidare il servizio, di ritiro vuoto per pieno, trasporto e avvio a recupero dei rifiuti misti dell'attività di costruzione e demolizione classificati codice E.E.R. 17.09.04, div · Gare Amiu Genova · 10 days left · 29 Oct 2026](https://tendernation.io/opportunities/01a156aa-01ac-732f-a0a5-ba900c7ea4b4/italy-non-hazardous-refuse-and-waste-treatment-and-disposal-services-13520) [Building-cleaning services – Neteja i desinfecció d'edificis i equipaments municipals. · Ajuntament de Tossa de Mar · 30 days left · 18 Nov 2026](https://tendernation.io/opportunities/01a156a9-63e8-7185-992a-0e5dc4502aee/spain-building-cleaning-services-neteja-i-desinfeccio-dedificis-i-equipamen) [Non-hazardous refuse and waste treatment and disposal services – CTTE1252 Servicio de tratamiento de tierras y escombros de los puntos limpios del Área Metropolitana de Barcelona (AMB) · Tractament I Seleccio de Residus, S.A. · 35 days left · 23 Nov 2026](https://tendernation.io/opportunities/01a156a9-6639-72de-8298-21950a4e3639/spain-non-hazardous-refuse-and-waste-treatment-and-disposal-services-ctte125) [Refuse disposal and treatment – Separace kovů ze škváry · SAKO Brno, a.s. · 37 days left · 25 Nov 2026](https://tendernation.io/opportunities/01a156a9-ca8b-71b6-a1e0-90da1abc58dc/czechia-refuse-disposal-and-treatment-separace-kovu-ze-skvary) [Refuse and waste related services – Odbiór i przyjęcie do zagospodarowania odpadów · Zakład Gospodarki Komunalnej i Mieszkaniowej w Koronowie Sp. z o.o. · 36 days left · 24 Nov 2026](https://tendernation.io/opportunities/01a156aa-0f0f-71bc-8b26-f13445721c21/poland-refuse-and-waste-related-services-odbior-i-przyjecie-do-zagospodarowa) [Refuse and waste related services – „Odbiór i zagospodarowanie odpadów komunalnych od właścicieli nieruchomości zamieszkałych na terenie Gminy Secemin od 1 stycznia do 31 grudnia 2027 r.” · Gmina Secemin · 38 days left · 26 Nov 2026](https://tendernation.io/opportunities/01a156a9-6441-73e1-b701-ab4cefc99281/poland-refuse-and-waste-related-services-odbior-i-zagospodarowanie-odpadow)