Composting Toilets

Composting Toilet Systems offers a complete line of composting toilets from our CTS models to Sun-Mar models that can accomodate most of your project needs. Whether you are a residential customer or an agency, we are happy to help you determine the correct system for your need.

CTS Composting Toilets

Located in Pend Oreille County in Northeastern Washington State, Composting Toilet Systems has been manufacturing composting toilet since 1978.

CTS composting toilets are constructed of fiberglass with an industrial strength gel-coat. Each system consists of three interior compartments with air channels, a heavy duty aluminum access door, a fiberglass clean-out hatch, ventilation system, an easy drain system and the number of toilet risers needed with toilet chutes.

Options include photovoltaic package, liquid re-spray system, automatic fire suppresion system, urinals and tank support cradle. Most CTS systems are sold to federal, state, local and private agencies.

CTS Restroom Facilities

CTS offers a line of restroom facilities to accomodate our composting toilet system line of products. Customers have the option of choosing from our prefabricated restroom facility designs or we will work with you on a custom design.

Sun-Mar Composting Toilets

Sun-Mar offers a complete line of composting toilets for residential and cottage use. CTS has been distributing Sun-Mar composting toilet since 1991, allowing us to reach out to a wider range of customers.