Percolation Testing and Groundwater Determination Zones
Document Accessibility Notice
Some of these documents are saved in Portable Document Format (PDF) or Microsoft Excel. We recommend you download Adobe® Reader®, a free software that allows you view and print PDF files. For Excel Spreadsheets, download Microsoft® Excel® Viewer or OpenOffice.org (Calc spreadsheet viewer).
For accessibility assistance with these documents, please contact Permit Sonoma (PRMD), Sonoma County at (707) 565-1900.
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