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Install Water Mains

The following information pertains to any changes to Seattle Public Utilities’ water system by either private or public sector developers.

Your comments and suggestions for improving our information to and coordination with you are very welcome. The documents listed here are also available in hardcopy from us.

Engineer Documents and Resources

Requesting Hydrant Flow Test
Selective Notes for 4 Through 12 Inch Water Mains (pdf)
General Notes for 4 Through 12 Inch Water Mains (pdf)

Owner and Developer Documents and Resources

Water Service Standard Charges
Checklist for Developer or Owner (pdf)
Acknowledgement of Contribution for Water Main (pdf)
Property Owner Application to Change Water System Distribution (pdf)
Property Owner Contract (pdf)
Surety Instrument (pdf)
Transfer of Ownership (pdf)
Water Service Application and Agreement (pdf)
Surety Receipt and Money Market Account Deposit (pdf)
Sample Easement Conditions (pdf)
Developer Installed Water Mains Flow Chart (pdf)
Easements (pdf)

Contractor Documents and Resources

Insurance Sheets for Developer's Contractor (pdf)
Hydrant Permit Requirements (pdf)
Contractor Information Developer-Installed Water Main (pdf)
Water Quality Checklist (pdf)

For more information

For information about any changes to our water system by either private or public sector developers, Paul Kimani, Supervising Civil Engineer, at (206) 684-4602 or