Wells and groundwater pretty much work only for those living atop the water table. In the Alps we rely on water stored under the form of glaciers for drinking,

Wells and groundwater pretty much work only for those living atop the water table. In the Alps we rely on water stored under the form of glaciers for drinking, sanitary and energy generation. The latest megasummer with the freezing point well above 5000mt decimated our storage which took thousands of years to accumulate.