Technical assistance services for the management of the concession contract for those actions included in the Area 07-A of the Wastewater Treatment Special Plan. Phase: Detailed design

Construction of all necessary works required for the wastewater treatment in the Area 07-A of the Wasterwater Treatment Special Plan of Aragon, including the following WWTP: Villafranca de Ebro, El Burgo de Ebro, Fuentes de Ebro, Escatrón, Gelsa, Pina de Ebro, Quinto, Vástago and La Zaida, as well as the sewer pipe networks of Cuarte de Huerva, La Puebla de Alfindén-Pastriz and Caspe.

The sewage process of the WWTP can be divided into the following stages:

Wastewater treatment line: pretreatment (grit removal, flow equalization and fat and grease removal), secondary treatment (biological aerated filters), rotating biological contactor.


SODEMASA – Sociedad de Desarrollo Medioambiental de Aragón (Environmental Development Agency in Aragon)

Project Dates

2007 – 2010

Project Figures

Contract Value:
591,733.63 €