The World Finance magazine, which specializes in coverage and analysis of the financial industry, international business, and the global economy, has chosen Ferrovial as “the most sustainable company in the infrastructure sector of 2020.”

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Construction included four independent treatment plants with prolonged aeration technology

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The research, which will last for two years, has a budget of €488,062, financed by the Bilbao Bizkaia Water Consortium within the Collaboration Framework Agreement with the UPV/EHU to contribute to strengthening scientific and technological research and innovation in the field of water management.  The goal is the detection and treatment of emerging contaminants, bacteria, and antibiotic-resistant genes, as well as the use of biological effect measurement tools (bioassays) in supply waters in Bizkaia. Passive sampling techniques will be combined with chemical and biological analyses. 

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The Consorcio de Aguas de Asturias (Water Board of Asturias public entity) has awarded to Cadagua the contract for the “Operation and Maintenance of the public drainage and sewage treatment works of river Caudal and Riosa- CAA/2020/131”. The duration of the contract is 3 years plus 2 possible extensions of 1 year each.

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The Consorcio de Aguas de Asturias (Water Board of Asturias public entity) has awarded to Cadagua the contract for the “Operation and Maintenance of the public drainage and sewage treatment works of river Caudal and Riosa- CAA/2020/131”. The duration of the contract is 3 years plus 2 possible extensions of 1 year each. The drainage scheme of Caudal River comprises de WWTP of Baiña and a 57,59 kms. network of sewage collectors. The drainage basin includes the towns of Mieres, Lena y Aller. It also includes 16 pumping stations, 37 spillways y 7 service galleries. The drainage scheme of Riosa includes Riosa WWTP and 1 pumping station. Baiña WWTP averages a treatment capacity of 43.200 m3/day and presents an activated sludge biological treatment process with nitrification-denitrification and a sludge line with gravity and flotation thickening and press filters for dewatering. Riosa WWTP treatment capacity reaches 1.625 m3/day. This new project further positions Cadagua as a leader in the O&M of wastewater treatment facilities.

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