Tap Water Results

Is Bartlett, IL tap water safe?

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

Summary

Bartlett Water System had lead above the action level in some homes sampled.

Is it an emergency? No: these findings are about longer-term exposure, and nothing in EPA's data calls for you to stop drinking the water today. If your utility issues a boil-water or do-not-drink notice, follow it.

Bartlett Water System supplies Bartlett (41,500 people).

Water system

Bartlett Water System

41,500 people · Purchased surface water · EPA ID IL0314120

Buys treated water from Du Page Water Commission.

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: 20 ppb at the 90th percentile (Jun 2026, and 9 in 10 homes sampled were at or below it) Above 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.

Bartlett homes and lead pipes

29%
of homes built before 1980 (Illinois 64%, US 50%)
3%
built before 1950 (Illinois 26%)
11%
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. How to check your own line.

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

How nearby cities compare

CityMain water systemPFASLead (90th pct.)
Hanover Park 2 mi
Hanover Park Water System
Hanover Park Water SystemNone above limits2.47 ppb
Carol Stream 4 mi
Carol Stream Water System
Carol Stream Water SystemNone above limits1.05 ppb
Streamwood 4 mi
Streamwood Water System
Streamwood Water SystemNone above limits2.31 ppb
West Chicago 5 mi
West Chicago Water System
West Chicago Water SystemNone above limits0.52 ppb
Glendale Heights 6 mi
Glendale Heights Water System
Glendale Heights Water SystemNone above limits0 ppb
Schaumburg 7 mi
Schaumburg Water System
Schaumburg Water SystemNone above limits0.87 ppb
Bartlett ZIP codes (1)
  • 60103

Questions

Is Bartlett tap water safe to drink?

Bartlett 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 Bartlett, IL?

Bartlett Water System, which serves 41,500 people.

Does Bartlett tap water have PFAS?

None detected above EPA's reporting limits. Bartlett Water System had no PFAS detected in EPA's 2023–2025 testing. "Not detected" means below the reporting limit (about 2 to 20 ppt), not proven zero.

Do Bartlett homes have lead pipes?

Census estimates put 29% of Bartlett 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. Bartlett 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.