Design Standards Manual for Water and Wastewater Systems

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​​​​​​​The Water Services Department has revised the Design Standards Manual for Water and Wastewater Systems. The new design standards are effective on January 1, 2022. The design manual can be viewed or downloaded from this website through the link below. The 2017 version of the manual is in effect through December 31, 2021 

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.