758629- Spain – Operation of a sewage plant – Service for the operation, maintenance and conservation of various sanitation and wastewater treatment systems: LOT 1: Systems of the Sella and Piloña river basins, Bimenes and Ponga. LOT 2: Systems of Cudillero, Novellana and Esqueiro River Basin. LOT 3: System of the lower Nalón River basin. LOT 4: Luarca System.

This tender with title 758629- Spain – Operation of a sewage plant – Service for the operation, maintenance and conservation of various sanitation and wastewater treatment systems: LOT 1: Systems of the Sella and Piloña river basins, Bimenes and Ponga. LOT 2: Systems of Cudillero, Novellana and Esqueiro River Basin. LOT 3: System of the lower Nalón River basin. LOT 4: Luarca System. has been published on Bidding Source portal dated 20 Nov 2025 for the country of Spain. It has been categorized on Operation of a sewage plant. For similar tenders you can see tenders mentioned below of this page.