The first phase of renewal of the water supply system of Sobrón will allow the future improvement of the supply of drinking water to Sobrón, Bergüenda, Puentelarrá and Fontecha using the water coming from the aquifer. This water resource, property of the Diputación Foral de Álava, was found in the decade of the 60s at a depth of 600 meters.

This first phase of the works has consisted in the renewal of a section of 2.3 kilometers, which runs parallel to the A-2122 road, from the intersection with the A-4326 road to the deviation to the town of Bergüenda.

The water supply network consists of more than 4,700 m of DN110 and DN500 mm TOM^® Oriented PVC pipe in PN16 Atm.