angle-left Northwest Tenerife WWTP

Northwest Tenerife WWTP

Operation and Maintenance of the sewage Treatment Station of Northwest Tenerife (Valle de Guerra).

The plant was built by Sadyt/ Sacyr Construction and put into operation in 2017 Sacyr Water. It is currently operated by Sacyr Water.

The plant has a treatment process consisting of:

  • Pretreatment
  • 2 biological treatment lines using membrane Bioreactor (MBR) with nutrient removal, flow-piston reactor 
  • Ultrafiltration membranes type hollow fiber, with cleaning and counter-washing system
  • Treatment of sludge by gravity thickener and centrifugal dehydration
  • Tertiary treatment process using reversible electrodialysis (EDR) for salt removal
  • Tank of treated water for distribution to the Community of Regants. 


Treated volume (m3/d)

4 years

Contract period


Sacyr's participation