angle-left Torrejón de Ardoz WWTP

Torrejón de Ardoz WWTP

Design, construction and operation of Torrejón de Ardoz WWTP.
The WWTP is located in the municipality of Torrejón de Ardoz, in the basin of the Jarama River. This WWTP treats a flow rate of 75.000 m3/day with a load of 450.000 equivalent inhabitants. The wastewater comes from Torrejón de Ardoz

The treatment process consists of: 

  • Pretreatment
  • Primary decanting
  • Biological treatment
  • Tertiary treatment; sand and UV filters
  • Treatment of sludge by gravity thickener (primary sludge), flotation thickener (secondary sludge), anaerobic digestion and centrifugal dehydration


Treated volume (m3/d)

4 years

Contract period


Sacyr's participation