Composting Toilet Systems

Composting toilets convert human waste into nutrient-rich fertilizer for nonfood plants, rather than mixing the waste with potable water and flushing it down the drain. Advantages of composting toilets include dramatic reductions in water use, reduced groundwater pollution or sewage-treatment impacts, resilience (ability to operate during water shortages), and recycling of nutrients. Some composting chambers can be used with microflush and foam-flush toilets, though most use no water.

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Listed in: Plumbing

Products in Composting Toilet Systems

Our guide lists products from the Greenspec® Online Directory of environmentally preferable building products. Manufacturers and/or their representatives should visit this page to learn more about suggesting their products for inclusion.