Only just under a third of the 142 liters of drinking water or fresh water consumed by a Swiss household comes from the taps used to fill glasses, wash plates and wash hands. The rest of the water is used for applications that do not necessarily require drinking water quality.
For many people, dealing with wastewater ends when they flush the toilet or remove hair from the drain. This attitude is referred to as “flush and forget.” An achievement of matured industrialized nations?
Circular sanitation systems allow the use of resources from wastewater. Wastewater contains nutrients, organic materials, energy and, of course, water – unless it is a dry toilet.
New solutions need new regulations – many pioneers are already working to close nutrient cycles. However, current law assumes that human excreta are disposed via the sewer system.
Browse through our collection of relevant resources about circular sanitation. The list is frequently updated.