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Well & Septic Fees

Fee determinations are based on a number of variables.

Different types of sewage disposal systems have specific fees associated with them. A non-standard septic system has a much higher fee than a simple septic system repair.

Variables which may apply are;

Is a site evaluation required?
Is a percolation test required?
Is a groundwater determination required?
Is a plancheck involved?
Are water well pump tests necessary?
Will drainage review be required?

You may request other services such as a vesting certificate. Additional fees are associated with these other services.

Due to the complexity of these determinations, it is unwise to make assumptions until the full scope of a project is determined by PRMD Staff at the time an application is accepted.

Please do not fill in amounts on checks prior to application acceptance.

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Some of these documents are saved in Portable Document Format (PDF). We recommend you download Adobe® Reader®, a free software that allows you view and print PDF files.

For accessibility assistance with these documents, please contact the Sonoma County Permit and Resource Management Department (PRMD) at (707) 565-1900.
Although every effort is made to provide complete and accurate information on this website, users are advised to contact appropriate Permit Sonoma staff before making project decisions. This may involve contacting more than one section within Permit Sonoma(e.g. Building, Plan Check, Zoning, Well & Septic, etc.) since each section implements specific codes or ordinances which may affect your project.
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Permit and Resource Management Department County of Sonoma