EU Directives
- Urdaibai territorial sewerage action plan
- Defence against flooding of the Kadagua river in Zalla.
- Defence against flooding in Arriondas
- Analysis of supply systems and balance between resources and water demands in the Basque Country
- Territorial Supply Action Plan of Urdaibai
- Supply and sanitation master plans of Alava
- Studies of framework directive on water for the Northern River Basin
- Water planning of Andalusian river systems
- Water planning of the Segura inter-community river basin