**Acknowledgements**

This project has been funded with support from the Spanish Ministry of Economy and Competitiveness (MINECO). The authors are grateful to the municipally owned company, "Aguas de Alcázar", GESREMAN, and to the Alcázar de San Juan Town Hall, for their financial support through Project: "Aptitud para uso agrícola del agua y lodos procedentes de la depuradora de aguas residuales de Alcázar de San Juan". Authors thank Helen Warburton for reviewing the English.
