Lead Pipe Map

Illinois · population 1,906

Lead pipes in Prophetstown, IL

965 lines still unidentified

Most of Prophetstown (population 1,906) gets its water from Prophetstown. It reported no confirmed lead service lines, but 965 of 965 lines are still listed as unknown material, so lead hasn't been ruled out.

0% of Prophetstown's service lines are lead or galvanized requiring replacement, lower than the Illinois average (17%) and lower than the national average (3.1%).

0Lead
0Galvanized, replace
965Unknown material
0Non-lead

Latest lead test for Prophetstown (Jul 2025–Dec 2025): 8.2 ppb at the 90th percentile, against a 15 ppb federal action level. Full test history.

Compliance record: EPA lists 1 Lead and Copper Rule violation since 2015 for Prophetstown.

Water systems serving Prophetstown

Water systemLeadGalv.Unknown% lead
ProphetstownMain system009650%
LyndonServes nearby areas0080%

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 Prophetstown

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

None are confirmed, but Prophetstown still lists 965 service lines as unknown material.

Who supplies water to Prophetstown?

EPA's service area maps place most of Prophetstown in Prophetstown's service area (PWSID IL1950400). Lyndon also serves parts of the city or nearby areas.

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

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