Where the blue treasure slumbers (Swiss Press Local 2022, by Yann Schlegel) - Swiss Press Award

Kolt (kolt.ch)

Yann Schlegel

What are we drinking here? This report literally gets to the bottom of this question. As part of the drinking water debate, the author investigated the supply system in the Olten region. Pressure on the "blue treasure" is increasing – not least due to the increased demands on water quality. Agricultural misconduct, climate change, and municipal autonomy: the future will be challenging.