Lead Pipe Map

Washington · population 39,664

Lead pipes in Issaquah, WA

No lead lines reported

Most of Issaquah (population 39,664) gets its water from Issaquah Water System, which reported 9,402 service lines and no lead, galvanized or unknown lines.

0% of Issaquah Water System'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
9,402Non-lead

Latest lead test for Issaquah Water System (2022): 1 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 Issaquah Water System.

Water systems serving Issaquah

Water systemLeadGalv.Unknown% lead
Issaquah Water SystemMain system0000%
Sammamish Plateau Water & SewerServes nearby areas0017,2130%

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 Issaquah

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

Find the official inventory mapIssaquah Water System details

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.

Pitcher filtersCheapest start. Pick one certified to NSF/ANSI 53 for lead, such as Brita Elite, PUR Plus or ZeroWater.See pitchers Faucet-mount filtersFilters straight from the tap. Look for NSF/ANSI 53 lead reduction on the box.See faucet filters Under-sink systemsBest for families. Carbon block (NSF 53) or reverse osmosis (NSF 58) units rated for lead.See under-sink

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

Nearby cities

Check another water system

Questions

Does Issaquah, WA have lead pipes?

Issaquah Water System, which serves Issaquah, reported no lead, galvanized or unknown service lines.

Who supplies water to Issaquah?

EPA's service area maps place most of Issaquah in Issaquah Water System's service area (PWSID WA5336350). Sammamish Plateau Water & Sewer also serves parts of the city or nearby areas.

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

Search your address on Issaquah Water System'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 Issaquah 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 Issaquah Water System whether your street is scheduled and whether it covers the private side.