Andalusia is the most populated region of Spain and the second most extensive with 8.37 million inhabitants, 87,597 km2 and a population density of 95.7 inhabitants/km2, its surface represents the 17.3% of the Spanish. The 80% of Andalusian area is rural of which 50 % is agricultural and 30 % is forest and woodland. The agriculture contributes to 2.5 % of total Gross Value Added (GVA) (EU-28: 1.6 %). The 45.74% of the Andalusian region is cropland and it also covers the 7% of total surface of irrigated land in Spain. Andalusian policy promotes the maximum reuse of treated water in the agricultural irrigation replacing conventional sources.
The wastewater treatment in Andalusia has followed a very positive evolution. With regards to the potential of reclaimed water reuse, Andalusia reuse is higher than the Spanish average. With 27% of the more than 2,000 wastewater treatment plants (WWTP) in Spain, the country is technologically prepared to offer tertiary treatments that enable the reuse of reclaimed water. According to the most recent data (2016), 5.93% of the treated wastewater was finally reused as reclaimed water in Andalusia.
Therefore 41.42 Hm3 of reclaimed water was reused in 2016 where only 2.5% of the reclaimed water was used in agriculture.