2 plants indexed.
SIERRE_GRANGES wastewater treatment plant serves Sierre, Valais, Switzerland. It treats wastewater for approximately 10,729 people, discharging into the local watershed.
SIERRE_NOES wastewater treatment plant serves Sierre, Valais, Switzerland, with a population equivalent of 67,273. The facility operates under Swiss water protection regulations, ensuring treated effluent meets stringent quality standards.