Tap Water Results

Is Moline, IL tap water safe?

Data: U.S. EPA · How we read the data · How we check it

Summary

No federal limits exceeded in EPA data for Moline Water System. 1 PFAS were detected below the limits.

Moline Water System supplies Moline (44,500 people).

Water system

Moline Water System

44,500 people · Surface water · EPA ID IL1610450

Buys treated water from Rock Island Water System, East Moline Water System.

PFASHighest averageLimitStatus
PFOA
Not detected
–4 pptNot detected
PFOS
Not detected
–4 pptNot detected
PFHxS
Not detected
–10 pptNot detected
PFNA
Not detected
–10 pptNot detected
HFPO-DA (GenX)
Not detected
–10 pptNot detected

ppt = parts per trillion. "Highest average" is the highest average at any of the system's entry points, the way EPA compares results with the limits.

Lead: 1.3 ppb at the 90th percentile (Nov 2026, and 9 in 10 homes sampled were at or below it) Below action level
Health-based violations since 2016: 0

Across Illinois, 13 of 479 water systems EPA tested had PFAS above a 2024 federal limit, and 18 systems were above the lead action level in results from the last five years. Illinois results.

Moline homes and lead pipes

83%
of homes built before 1980 (Illinois 64%, US 50%)
40%
built before 1950 (Illinois 26%)
33%
of households rent (Illinois 33%)

Lead service lines and lead solder were allowed until 1986, so homes from before then are the ones to check. Renting? Ask your landlord what the service line is made of, because it's their pipe to replace. How to check your own line.

Housing: Census American Community Survey 2020–2024 5-year estimates for Moline city (tables B25034, B25003). Estimates for small places have a margin of error.

How nearby cities compare

CityMain water systemPFASLead (90th pct.)
Rock Island 5 mi
Rock Island Water System
Rock Island Water SystemNone above limits0 ppb
Galesburg 37 mi
Galesburg Water System
Galesburg Water SystemAbove limit0 ppb
Peoria 68 mi
Illinois American Water – Peoria
Illinois American Water – PeoriaAbove limit11 ppb
Pekin 77 mi
Illinois American Water – Pekin
Illinois American Water – PekinNone above limits1 ppb
Rockford 91 mi
Rockford Water System
Rockford Water SystemNone above limits10 ppb
DeKalb 95 mi
DeKalb Water System
DeKalb Water SystemNone above limits13 ppb
Moline ZIP codes (1)
  • 61265

Questions

Is Moline tap water safe to drink?

Moline Water System has had no health-based violations since 2016. Utility data can't show lead from your own pipes: if your home was built before 1986, test your tap. Your utility's annual Consumer Confidence Report is the official summary.

Who supplies water in Moline, IL?

Moline Water System, which serves 44,500 people.

Does Moline tap water have PFAS?

Moline Water System had 1 PFAS detected at least once in EPA's 2023–2025 testing, all with averages below the federal limits.

Do Moline homes have lead pipes?

Census estimates put 83% of Moline homes as built before 1980 (Illinois: 64%). Lead service lines and lead solder were allowed until 1986, so older homes are more likely to have them. Moline Water System's service line inventory says what your line is made of. The only way to know for your home is to check the line where it enters the house and test your tap.

Source: U.S. EPA drinking water records and PFAS testing (UCMR 5). How we read the data.