Lead Pipe Map

Ohio · population 1,541

Lead pipes in McComb, OH

152 lines still unidentified

Most of McComb (population 1,541) gets its water from Northwestern W and SD - McComb. It reported no confirmed lead service lines, but 152 of 664 lines are still listed as unknown material, so lead hasn't been ruled out.

0% of Northwestern W and SD - McComb's service lines are lead or galvanized requiring replacement, lower than the Ohio average (8.8%) and lower than the national average (3.1%).

0Lead
0Galvanized, replace
152Unknown material
512Non-lead

Latest lead test for Northwestern W and SD - McComb (2026): not detected 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 Northwestern W and SD - McComb.

Water systems serving McComb

Water systemLeadGalv.Unknown% lead
Northwestern W and SD - McCombMain system001520%

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 McComb

The counts above cover the whole water system. To see whether your line is lead, look up your address on Northwestern W and SD - McComb'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 McComb, OH have lead pipes?

None are confirmed, but Northwestern W and SD - McComb still lists 152 service lines as unknown material.

Who supplies water to McComb?

EPA's service area maps place most of McComb in Northwestern W and SD - McComb's service area (PWSID OH3200411).

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

Search your address on Northwestern W and SD - McComb'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 McComb 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 Northwestern W and SD - McComb whether your street is scheduled and whether it covers the private side.