Welcome to Composting Toilet Systems, Inc.

Composting Toilet Systems, Inc has been manufacturing and distributing composting toilets to North America and beyond since 1978. Our purpose is to provide our customers an environmentally friendly, waterless, odorless composting system that reduces human waste as a pollutant and also conserves water.

  • Waterless
  • Odorless
  • Non-polluting
  • Low maintenance





Helping to conserve water throughout the United States


Phone: 1-888-786-4538 (1-888-7-Toilet)
Fax: 1-509-447-3708





© 2010 Composting Toilet Systems, Inc. | 1-888-786-4538 | 1-509-447-3708
Composting Toilet Systems, Inc. P.O. Box 1928 Newport, WA 99156