Contact: Sergio de Campos, Adasa,

The Girona – Costa Brava is a costal region of northeastern Spain. Demonstration will mainly be performed in the Consorci Costa Brava (CCB) facilities, a water agency in Spain that is in charge of 18 municipalWWTPs, operated by the Empresa Mixta d’Aigües Costa Brava (EMACB). The WWTP Girona, operated by Tractament de Residus i Aigües Residuals de Girona, SA (TRARGISA), will also be involved in demonstration  activities.

CCB is a consortium created in 1971 by the 27 coastal municipalities of Girona’s province in NE Spain to provide services and to manage infrastructures related to the whole water cycle, from the drinking water supply (as wholesale purveyor) to the wastewater treatment and to the production and supply of reclaimed water to cover non-potable demands.

WWTP Castell-Platja d'Aro (general view)

General view of WWTP Castell-Platja d’Aro, one of the Spanish demontration sites

The resident population in the whole area is estimated in some 250,000 inhabitants, with a seasonal increase in summer that can reach above 1 million people and that requires the facilities to be designed to provide the adequate services in the peak period. Since 1989, one of CCB’s activities is the reclamation of treated effluents in 14 facilities and their supply to cover non-potable demands of different kind (3.1 million m3/year in 2012, with a maximum in 2010 reaching 6.4 million m3/year).

More details on the Spanish demonstration sites are available here.


The objective is to demonstrate innovative solutions for water reuse and resource efficiency in operational WWTPs in Spain.

Specific objectives are:
– To assess the reference situation before installation of the technologies
– To prepare the demo sites and install technologies to be demonstrated
– To demonstrate technologies in operation and monitor their performance

The following technologies will be demonstrated at the Spanish sites:
– Water quality analyzers for online monitoring of pathogens microorganisms
– Robust controller for the water reclamation plant that guarantees reclaimed water free of microorganisms
– Model-based evaluation of control alternatives for energy reduction
– Aeration optimization and increase of nutrient removal