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Waterless Toilets – Frequently Asked Questions

In the fall of 2022, Permit Sonoma modified the Sonoma County Code to allow for the use of waterless or non-flush toilets. The Sonoma County Code Section 7-13(E)(1), is now in alignment with the local Onsite Wastewater Treatment System Manual Section 21 – Waterless Toilets.

The following are frequently asked questions (FAQs) and answers regarding waterless toilets in Sonoma County.



Solids Handling / Disposal

Operation and Maintenance