Forms & Resources
Information provided to the City of Seattle is considered a public record and may be subject to public disclosure. For more information, see the Public Records Act, RCW Chapter 42.56.
Water Availability Certificate
- Water Availability Certificate (WAC) Request
- WAC issued before March 28, 2020: Utility system improvement determination review request (pdf)
- WAC issued after March 28, 2020: Water system improvement determination review request
New water services
- Water Service Application and Agreement (pdf)
- Request for Additional Water Services (pdf)
- Disclosure of Environmental Conditions Addendum (pdf)
- Water Meter Reset Application (pdf)
- Track your tap request
- Development Charges - Water (pdf)
- DSO charge menu (pdf)
- Example small water service utility site plan (pdf)
- Site plan markup tools (pdf)
- Certificate of Insurance Example (pdf)
Hydrants
Water main installations
Initiation
- Request for Utility System Improvement Contract (pdf)
- Acknowledgement of contribution for water main (pdf)
- Property Owner Installed Water Main Checklist (pdf)
- Contractor information developer-installed water main (pdf)
- Insurance sheets for developer's contractor (pdf)
- Water quality checklist (pdf)
Design
- Requesting hydrant flow test
- General notes for 4- through 12-inch water mains (pdf)
- Selective notes for 4- through 12-inch water mains (pdf)
- Easements (pdf)
- Sample easement conditions (pdf)
Pre-construction
Construction
- Contractor information developer-installed water main (pdf)
- Developer installed water mains flow chart (pdf)
- Insurance sheets for developer's contractor (pdf)
- Property owner application to change water system distribution (pdf)
- Property Owner Installed Water Main Checklist (pdf)
- Water quality checklist (pdf)
Drainage and wastewater information
- Apply for a sewer submeter
- Core Tap Procedures for Storm and Sewer Mains
- Drainage and wastewater (DWW) utility protection notes (pdf)
- Preliminary Assessment Report (PAR) issued before March 28, 2020: Utility system improvement determination review request (pdf)
- PAR issued after March 28, 2020: Drainage & wastewater improvement determination review request
- Request to enter a maintenance Hole (pdf)
- Tip 507, Build-Over and/or Re-Route Review and Approval Process
Latecomer Agreement
- Latecomer Agreement Application Form (pdf)
- Cost Estimating Worksheet (xlsm format)
- Exhibit B - Assessment Reimbursement Area Parcel Roll (xlsm format)
- Latecomers Agreement New Assign - Contact Information form (pdf)
Construction and demolition
Maps
- Side sewer cards & maps – find lateral maps, aerial photographs, and side sewer cards
- Water and sewer map – research utility access for properties
- GIS Maps - request custom maps
- Property & Building Activity – find permit and construction activity
Records and publications
- CAD resources
- Permit & property records search
- Records Vault
- Standard Specifications & Plans
- Design Standards & Guidelines
Other resources
- Get started on a construction project, apply for a Preliminary Assessment Report (PAR) via the SDCI Project Portal
- Email the SDCI’s Side Sewer & Drainage Counter at sidesewerinfo@seattle.gov
- Apply for or check the status of an SDOT street use permit
- SDOT Street Improvement Permit Resources
- King County’s Industrial Wastewater Discharge Approvals
- Contact the Washington Utility Notification Center before you dig