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New Service for Single-Family Home
To get water and/ or sewer service from Woodinville Water District an existing water/ sewer main needs to cross the entire length of the property and you must meet the maximum distances allowed between the District meter/ sewer cleanout in the right of way to the house.
Maximum Distance Allowed for Private Service Lines Diagram (PDF)
If your home requires fire sprinklers from the Fire Marshal you must install a backflow device (water standard plan no. 21) behind the District meter. Follow water standard plan no. 14B for a dual purpose domestic and fire service connection. The District will lock the meter at installation. You will need to schedule with your backflow tester to have the backflow device tested. Inform our water quality team at the District to have the meter unlocked. You will have 24 hours to have the backflow device tested and a passing test report within the same time frame or we will lock the meter. You are not allowed to test the backflow devices prior to the meter installation.
More information about our backflow program can be found on this website under 'YOUR WATER'.
Completed applications and fees must be submitted prior to Installation of a water meter.
Fees
Contact the district for cost for services.
Forms
The General Information Form for Residential Water Service must be read and acknowledged and submitted with application for service.
To apply for a side sewer service a Service Connection Agreement must be signed and the process complete. To understand the process for a Service Connection Agreement visit the District’s Developer Extension Process. The Service Connection Agreement is for work needed to be complete in the right of way. This work includes tapping into the existing sewer main with sewer pipe and installing a cleanout in the right of way.
When the sewer connection has been installed from the sewer main and is approved you can come into the District office to complete a King County Residential Sewer Use Certificate, sign the side sewer permit, and pay the fees. You are not allowed to install the side sewer connection until you have a side sewer permit and have a preconstruction site meeting with the District Inspector and your contractor. Follow sewer standard plan no. 24 for Private Side Sewer Installation Requirements.
Fees
- Side Sewer permit fee for residential - $240.00
- Sewer System Development fee for one house - $3,455.00 (2025-2026)