Tap Water Results

Is Glen Ellyn, 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 Glen Ellyn Water System.

2 public water systems serve parts of Glen Ellyn. The largest, Glen Ellyn Water System, serves 28,500 people. Your water bill names your system.

Largest system

Glen Ellyn Water System

28,500 people · Purchased surface water · EPA ID IL0430450

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: 1.87 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.

Glen Ellyn homes and lead pipes

67%
of homes built before 1980 (Illinois 64%, US 50%)
18%
built before 1950 (Illinois 26%)
22%
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 Glen Ellyn village (tables B25034, B25003). Estimates for small places have a margin of error.

Other water systems serving Glen Ellyn

  • Illinois American Water – Valley View
    6,721 people · Purchased surface water · Illinois · reported ZIPs here
    PFOA detected

How nearby cities compare

CityMain water systemPFASLead (90th pct.)
Wheaton 2 mi
Wheaton Water System
Wheaton Water SystemNone above limits2.32 ppb
Lombard 2 mi
Lombard Water System
Lombard Water SystemNone above limits10.6 ppb
Glendale Heights 4 mi
Glendale Heights Water System
Glendale Heights Water SystemNone above limits0 ppb
Carol Stream 5 mi
Carol Stream Water System
Carol Stream Water SystemNone above limits1.05 ppb
Addison 5 mi
Addison Water System
Addison Water SystemNone above limits2 ppb
Downers Grove 5 mi
Downers Grove Water System
Downers Grove Water SystemNone above limits4.98 ppb
Glen Ellyn ZIP codes (1)
  • 60137

Questions

Is Glen Ellyn tap water safe to drink?

Glen Ellyn 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 Glen Ellyn, IL?

2 public water systems serve parts of Glen Ellyn. The largest is Glen Ellyn Water System (28,500 people). Your water bill names your system. The EPA ID is also on your utility's Consumer Confidence Report.

Does Glen Ellyn tap water have PFAS?

None detected above EPA's reporting limits. Glen Ellyn 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 Glen Ellyn homes have lead pipes?

Census estimates put 67% of Glen Ellyn 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. Glen Ellyn 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.