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1. Under what authority does the city of Phoenix require a
wastewater discharge permit?
Chapter 28 of the city of Phoenix Code gives the Water Services Department
specific authority to issue permits to control the quantity and quality of
wastewater discharged to our sanitary sewer collection system. The entire
Chapter 28 can be reviewed from this link.
2. Does my business need a permit?
See the flowchart for an overview of permitting requirements. If you have any
questions please contact us.
3. What is the city of Phoenix permitting process?
See the flowchart for an overview of our permitting process.
4. How long does the permit process take, and how long are
A business intending to start any new industrial discharge(s), or any
additional industrial discharge(s) not already allowed under an existing permit,
must apply for a new or amended permit at least ninety days prior to initiating
such discharge(s) are issued permits. Permits are valid for up to a five-year
5. What are 'one-time' temporary discharge permits, and how
do I get one?
One-time temporary discharge permits may be issued for the disposal of
contaminated groundwater and other one-time discharges into the city of Phoenix
sanitary sewer system. Requests for one-time temporary discharge permits must be
in writing and mailed to the Commercial Program Supervisor at (602) 495-7412 two weeks prior to the anticipated discharge date(s).