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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?

Master Bore’s 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 minimal disruption to your property and save you money. Contact us today to schedule a free estimate on main water line repair today.

Expert Underground Utilities Contractors

The pros at Master Bore work with all types of residential commercial underground utilities, including storm sewers, storm drain and detention systems, sanitary sewers and water mains and more. We also provide underground services for power and gas systems, telephone, cable and broadband. If you need underground directional drilling, trenchless excavation, pipe relining or any other services an underground utilities contractor can provide, contact our team today!