Lead Pipe Map

Washington · population 780,995

Lead pipes in Seattle, WA

No lead lines reported

Most of Seattle (population 780,995) gets its water from Seattle Public Utilities, which reported 206,340 service lines and no lead, galvanized or unknown lines.

0% of Seattle Public Utilities's service lines are lead or galvanized requiring replacement, lower than the Washington average (0.3%) and lower than the national average (3.1%).

0Lead
0Galvanized, replace
0Unknown material
206,340Non-lead

Latest lead test for Seattle Public Utilities (2025): 1.6 ppb at the 90th percentile, against a 15 ppb federal action level. Full test history.

Compliance record: EPA lists no Lead and Copper Rule violations since 2015 for Seattle Public Utilities.

Water systems serving Seattle

Water systemLeadGalv.Unknown% lead
Seattle Public UtilitiesMain system0000%
Grandview CondominiumsServes nearby areas0010%

Matched from EPA water system service area boundaries and the cities each system reports serving. Edges of the city may be served by a neighboring system; your water bill names your utility.

Check your address in Seattle

The counts above cover the whole water system. To see whether your line is lead, look up your address on Seattle Public Utilities's official inventory. Utilities had to make these public by October 16, 2024.

No map yet? Do the 2-minute scratch and magnet test.

Protect your drinking water

If your line is lead, galvanized or unknown, use a filter certified to NSF/ANSI 53 for lead for drinking, cooking and baby formula, and use only cold water.

Choosing a lead-certified filter · Testing your water · Replacement cost

Nearby cities

Check another water system

Questions

Does Seattle, WA have lead pipes?

Seattle Public Utilities, which serves Seattle, reported no lead, galvanized or unknown service lines.

Who supplies water to Seattle?

EPA's service area maps place most of Seattle in Seattle Public Utilities's service area (PWSID WA5377050). Grandview Condominiums also serves parts of the city or nearby areas.

How do I check whether my Seattle home has a lead service line?

Search your address on Seattle Public Utilities's service line inventory map. You can also scratch the pipe where water enters your home: lead is soft, dull gray, scratches to shiny silver and doesn't attract a magnet.

When will lead pipes in Seattle be replaced?

EPA's Lead and Copper Rule Improvements require most systems to replace lead and galvanized-requiring-replacement lines by December 31, 2037. Ask Seattle Public Utilities whether your street is scheduled and whether it covers the private side.