Our foundation: acciona.org Initiatives we support Our strategy Sustainable Development Goals Climate emergency Social development Sustainability indices Sustainable Development Alliances Technology and innovation centres Open and collaborative innovation Digital hub Innovation projects Job offers Graduates and internships Diversity, equity and inclusion Safety, health and well-being Training Selection process Energy Transport Water Social Cities Real Estate Financial Integrated annual reports Annual accounts Results, reports & presentations Average period of payment to suppliers Ratings Share price Dividends Analyst opinions Investor calendar General Shareholders' Meeting Board of Directors and Committees Management team Share capital Annual Corporate Governance Report Director remuneration Governance rules and compliance Framework Agreement CNMV Communications Sustainable finance
Water supply for Sangüesa Navarra, Spain See on Google Maps
The plant produces 5,760 m3 of water per day, both potable and for industrial processes, and includes two sections of potable water pipeline and two booster pumping stations for desalinated water.

The plant supplies the entire district of Sangüesa, including 15 integrated communities. It collects water in the Bardenas Canal next to the Yesa reservoir through a pumping system to a raw water reservoir.

The expansion of the DWTP, awarded in 2011 to ACCIONA, consisted of the reform of the storage facilities, preparation and dosing of reagents, improvements in decanting, as well as the construction of a new 350 cubic meter decanted water tank, the modification of the dosing of reagents and improvements in electrical installations, control equipment and automation.

General Information

  • Project: WTP Yesa. 
  • Entity: Service Association of the district of Sangüesa. 
  • Location: Yesa (Navarra). Spain. 
  • Design flow: 5,760 m3/day. 
  • Population: 7,700.

Key points

Treatment:

  • Mixing chamber. 
  • Two accelerator type decanters. 
  • Decanted water tank. 
  • Pump to 4 closed sand filters. 
  • Storage of treated water in regulator tank.

Reagents used in the process:

  • Coagulant, oxidised aluminium sulphate. 
  • Flocculent, anionic polyelectrolyte. 
  • Disinfection, chlorine gas. 
  • Disinfection reinforcement, hypochlorite.

Sludge treatment:

Drying phases.

More projects Discover all of our projects