Site Investigations

Your site must be inspected to determine suitability for a septic system (onsite wastewater system).  Please see the documents below for more information.  If you would like to email requests for Site Investigation (Percolation), click here.

link to PDF DocumentSite Investigation Process Overview
link to PDF DocumentSite Investigation Packet - Registrant Submitted
link to PDF DocumentSite Investigation Packet (Soil Characterization)

Arizona Administrative Code
The official rules for on-site wastewater treatment facilities, effective November 12, 2005, are contained in the Arizona Administrative Code, available on the AZ Secretary of State’s website. Site investigation rules are in AAC R18-9-310. Chapter 9