New Seattle Public Utilities Design Standards & Guidelines

The latest edition of Seattle Public Utilities’ (SPU’s) Design Standards and Guidelines (DSG) is now published online. The DSG provides engineering requirements, details, specifications, policies, and procedures for designing SPU infrastructures. In the past, the DSG was only available in text form and on demand. With the DSG online, engineers and designers now have access to the most current SPU design standards and guidelines at their fingertips.

If you have any questions about SPU’s Design Standards and Guidelines, please contact the DSG team at