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Seattle’s Underground Water Line Requirements

  • Connection of your water pipes to city water supply must be done by the city.

  • All outdoor water pipelines must have at least 2 feet of ground cover from all angles.

  • All work must be in compliance with Seattle’s Uniform Plumbing Code.

  • Water lines must be brass, copper SS, DI, CPVC, PE, PEX, HDPE or PVC. Plastic pipe (which isn’t approved to go through the building foundation) must be studded out with 2 feet of an approved material.




Need Main Water Line Repair in the Greater Seattle Area?

Sewer Solutions crews are highly trained and experienced in the installation and repair of water mains and secondary lines of all types and sizes. Whether it’s new construction or repair of existing outdoor lines, our trenchless repair and directional drilling can greatly minimize disruption to your property and save you money. Contact us today to schedule a free estimate on main water line repair today.

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