Design Standards Manual for Water and Wastewater Systems

​​​​​​​​The Water Services Department completed the revision of the Design Standards Manual for Water and Wastewater Systems in May 2026. The design manual can be viewed or downloaded from this website using the link down below. 

For guidelines on the implementation of the standards on existing projects, please refer to the link below.

If you have any questions or comments on the design standards, please contact irspubliccounter.wsd@phoenix.gov or call 602-495-5601 or fax 602-495-5461.

• 2026 Design Standards Manual  for Water and Wastewater
• Presentation to the City's Development Advisory Board for 2026 Design Standards Manual (for reference)
• 2021 Design Standards Manual for Water and Wastewater
• ​Implementation Guidelines
• Addendum for Water and Sewer in Light Rail Corridors