“Mountain-Lodges” are mobile holiday residences in the midst of nature. Due to a unique accommodation concept they do not require structural foundations and operate self-sufficiently for one week, so that they integrate without impact into the natural environment of the Gadmen Valley. seecon developed the water management concept with various innovative options to ensure sustainable water supply and sanitation for the “Mountain-Lodges”. The options include in particular opportunities to save water, thereby minimising the transport of water and waste. seecon also conducted assessments on the feasibility of the water and sanitation concept together with potential product suppliers.