From wastestream to mainstream, a practical guide to composting toilet systems. Composting toilets are a key feature for local resilience, money saving, water conservation, resource recovery, septic system replacement, and an improved bathroom experience in rural and urban buildings. Essential Composting Toilets is a streamlined manual that takes a practical, how-to approach to composting toilet system selection, design, installation, and operation, while meeting universal health and safety objectives. Drawing from existing regulations and research, this book dispels myths and provides tools to assess various systems. It includes: Easily-understood drawings, plans, and photos Coverage of all main composting toilet systems Selection criteria including site considerations, urine separation pros/cons, renovations/new builds, ventilation, servicing, and composting details Design and installation details. Offering a professional approach accessible to DIYers, homeowners, designers, building consultants, water conservation advocates, and regulators, Essential Composting Toilets provides key information for redesigning toilet systems anywhere in the world.