Tap Water Results

Is New Lenox, 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 New Lenox Water System.

2 public water systems serve parts of New Lenox. The largest, New Lenox Water System, serves 29,200 people. Your water bill names your system.

Largest system

New Lenox Water System

29,200 people · Purchased surface water · EPA ID IL1970700

Buys treated water from Tinley Park 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: 0 ppb at the 90th percentile (Dec 2025, 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.

New Lenox homes and lead pipes

19%
of homes built before 1980 (Illinois 64%, US 50%)
3%
built before 1950 (Illinois 26%)
8%
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 New Lenox village (tables B25034, B25003). Estimates for small places have a margin of error.

Other water systems serving New Lenox

  • East Moreland Water Service Association
    1,320 people · Groundwater · Illinois · lists this city
    Not in EPA's PFAS sampleAlso: 1 health-based violation since 2016

How nearby cities compare

CityMain water systemPFASLead (90th pct.)
Lockport 6 mi
Illinois American Water – Homer Township
Illinois American Water – Homer TownshipNone above limits0 ppb
Orland Park 9 mi
Orland Park Water System
Orland Park Water SystemNone above limits0 ppb
Joliet 9 mi
Joliet Water System
Joliet Water SystemNone above limits6.53 ppb
Tinley Park 9 mi
Tinley Park Water System
Tinley Park Water SystemNone above limits0 ppb
Romeoville 11 mi
Romeoville Water System
Romeoville Water SystemNone above limits8.22 ppb
Oak Forest 13 mi
Oak Forest Water System
Oak Forest Water SystemNone above limits0 ppb
New Lenox ZIP codes (1)
  • 60451

Questions

Is New Lenox tap water safe to drink?

New Lenox 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 New Lenox, IL?

2 public water systems serve parts of New Lenox. The largest is New Lenox Water System (29,200 people). Your water bill names your system. The EPA ID is also on your utility's Consumer Confidence Report.

Does New Lenox tap water have PFAS?

None detected above EPA's reporting limits. New Lenox 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 New Lenox homes have lead pipes?

Census estimates put 19% of New Lenox 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. New Lenox 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.