This list is not all inclusive; being listed on our website is optional. For those not listed or to determine if the installer is basic or advanced; request to see a copy of their ID card. You may also verify registration by contacting the Onsite Wastewater Program at (573) 751-6095.
Contact Us if you have questions about this list, or to update or correct an address.
Also, a listing of Suspended/Revoked Installers is available.
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