Suzanne Ehrlich, RS/REHS, Manager

The Environmental Services Unit performs a variety of functions delegated by the Arizona Department of Environmental Quality (ADEQ). Environmental Services carries out all aspects of permitting and inspections of conventional and alternative onsite wastewater disposal systems up to 24,000 gallons per day, permitting of water and sewer line extensions, and approving the sanitary facilities for subdivisions.

 Site Investigations

Site investigation used to determine the suitability for onsite wastewater systems (septic systems). Formerly called “perc tests.”


Issue approvals for subdivision sanitary facilities.

 Septic Systems

Issue permits to construct conventional or alternative septic systems. Regulate installation of alternative on-site wastewater disposal. Inspection for transfer of ownership. Inspect construction.

 Well Permits

Review well permit applications for referral to the Arizona Department of Water Resources on parcels 5 acres and smaller.

 Gray Water Usage

Provide information on the use of gray water and the potential for a tax credit.

 Line Extensions

Issue approvals for water and sewer line extensions.

 Waste Transportation Permits

Inspect & permit septic pumpers and waste haulers.

 Online Wastewater System Transfer of Ownership

For ownership changes on a property with an onsite wastewater system

Director of Development Services

David Williams


Prescott Office:
1120 Commerce Drive
Prescott, AZ 86305
Phone: (928) 771-3214
Fax: (928) 771-3242
Assistant Director Development Services

Jeremy Dye

Assistant Director

Cottonwood Office:
10 S. 6th Street
Cottonwood, AZ 86326
Phone: (928) 639-8151
 Hours of Operation: Monday-Friday, 8:00 am to 4:00 pm, closed for holidays (including the day after Thanksgiving Day). Inspections are performed Monday through Friday.
 Contacts and Unit Functions

Customer Service Survey
Public Data Request
Online Wastewater Transfer of Ownership form
Email Request Septic Results

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