Lead Pipe Map

Illinois · population 38,786

Lead pipes in Quincy, IL

5,256 lead or galvanized lines to replace

Most of Quincy (population 38,786) gets its water from Quincy. That system reported 5,223 lead and 33 galvanized-requiring-replacement service lines out of 18,249, with 70 more of unknown material.

29% of Quincy's service lines are lead or galvanized requiring replacement, higher than the Illinois average (17%) and higher than the national average (3.1%).

5,223Lead
33Galvanized, replace
70Unknown material
12,923Non-lead

Latest lead test for Quincy (Jan 2026–Dec 2028): 0.6 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 Quincy.

Water systems serving Quincy

Water systemLeadGalv.Unknown% lead
QuincyMain system5,223337029%
Mill Creek PWDServes nearby areas0000%

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 Quincy

The counts above cover the whole water system. To see whether your line is lead, look up your address on Quincy'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 Quincy, IL have lead pipes?

Yes. Quincy, which serves Quincy, reported 5,223 lead and 33 galvanized-requiring-replacement service lines, plus 70 of unknown material.

Who supplies water to Quincy?

EPA's service area maps place most of Quincy in Quincy's service area (PWSID IL0010650). Mill Creek PWD also serves parts of the city or nearby areas.

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

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