ZipCheckup grade for 60439: B.
This ZIP has a few items worth a quick check.
Your top priority: test your tap water for lead. Check your ZIP → EPA lead guide
Lemont, IL (60439): Lead Above EPA Action Level - 79/100
EPA data combined for 6 water systems mapped to this ZIP (largest mapped system: Lemont)
Health-based violation records by water system:
- Lemont (1)
EPA records for the water systems mapped to 60439 in Lemont, IL contain 44 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 1 are marked health-based.
Data source: U.S. Environmental Protection Agency (EPA) SDWIS
At a Glance
- Water EPA records for water systems mapped to this ZIP show 1 health-based violation and 43 non-health-based (since 2021).
- Lead 90th-percentile lead reading of 0.02 mg/L; the EPA action level of 0.015 mg/L applies to a water system's 90th-percentile result.
- PFAS PFAS detected in UCMR5 sampling; see the PFAS section for each compound, compared with the federal PFAS MCL where one exists.
- Radon EPA Zone 2 - county-level radon potential, not a home measurement.
- Flood 14 cumulative NFIP claim records. Claim evidence is historical, not current map coverage.
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Safety data compiled for 60439 in Lemont produces two severity tiers of concern: one condition is classified as critical - the highest designation in the record - while 1 additional finding fall into the high-priority tier, each independently sourced and described in the cards below.
Score Breakdown
Overall Home Safety Score: 79/100
This is the published model score. Component and domain values are shown independently; they are not added together on this page.
Canonical components
Required domains
Coverage: 4 of 4 components and 3 of 3 domains observed.
Model 4.0.0; series home-safety-v4-cross-vertical.
Safety & Health (8) CRITICAL
Your Water System
ZIP code 60439 in Lemont, Illinois is mapped to the water system Lemont (EPA ID: IL0311620). This system provides water to approximately 17,500 people from groundwater sources.
There are 6 community water systems serving this area.
Water Systems Serving This Area
| System Name | EPA ID | Population | Source |
|---|---|---|---|
| Lemont | IL0311620 | 17,500 | Groundwater |
| Il American-homer Township | IL1970100 | 24,543 | Surface water |
| Burr Ridge | IL0434190 | 11,192 | Surface water |
| Il American-west Suburban | IL1974151 | 73,978 | Surface water |
| Lockport | IL1970500 | 23,100 | Groundwater |
Other Water Quality Reports in Illinois
- 60001 (Alden)
- 60002 (Antioch) - 30 violations recorded for mapped water systems
- 60004 (Arlington Heights) - 36 violations recorded for mapped water systems
- 60005 (Arlington Heights) - 47 violations recorded for mapped water systems
- 60006 (Arlington Heights)
- 60007 (Elk Grove Village) - 37 violations recorded for mapped water systems
- 60008 (Rolling Meadows) - 44 violations recorded for mapped water systems
- 60009 (Elk Grove Village)
- 60010 (Barrington) - 54 violations recorded for mapped water systems
- 60011 (Barrington)
- 60012 (Crystal Lake) - 47 violations recorded for mapped water systems
- 60013 (Cary) - 36 violations recorded for mapped water systems
- 60014 (Crystal Lake) - 76 violations recorded for mapped water systems
- 60015 (Deerfield) - 13 violations recorded for mapped water systems
- 60016 (Des Plaines) - 27 violations recorded for mapped water systems
- 60017 (Des Plaines)
- 60018 (Des Plaines) - 24 violations recorded for mapped water systems
- 60019 (Des Plaines)
- 60020 (Fox Lake) - 114 violations recorded for mapped water systems
- 60021 (Fox River Grove) - 22 violations recorded for mapped water systems
Nearby Water Quality Reports
- 60561 (Darien) - 3 mi - 10 violations recorded for mapped water systems
- 60527 (Willowbrook) - 3 mi - 26 violations recorded for mapped water systems
- 60516 (Downers Grove) - 4 mi - 2 violations recorded for mapped water systems
- 60559 (Westmont) - 5 mi - 17 violations recorded for mapped water systems
- 60517 (Woodridge) - 5 mi - 18 violations recorded for mapped water systems
- 60480 (Willow Springs) - 5 mi - 6 violations recorded for mapped water systems
- 60440 (Bolingbrook) - 6 mi - 19 violations recorded for mapped water systems
- 60514 (Clarendon Hills) - 6 mi - 10 violations recorded for mapped water systems
- 60446 (Romeoville) - 7 mi - 3 violations recorded for mapped water systems
- 60521 (Hinsdale) - 7 mi - 25 violations recorded for mapped water systems
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Lemont (IL0311620) on EPA.gov.
5 of the top compounds applied across the surrounding county in USGS pesticide-use estimates appear on EPA drinking-water monitoring lists. See the agricultural pesticide-use section.
PFAS Contamination Detected
PFAS ("forever chemicals") have been reported in samples from water systems associated with ZIP code 60439.
Detected compounds: PFPeA, PFHxA, PFHxS, PFBA, PFBS.
Highest measured level: 0.0212 µg/L
Reverse osmosis (RO) and activated carbon block filters can reduce PFAS at the tap. Certifications list the compounds covered: an NSF/ANSI 53 or 58 claim for PFOA/PFOS does not cover every PFAS, so check that the product lists the compounds detected here.
Environmental Hazards (11) HIGH
Home & Infrastructure (6) OK
Cost & Community (9) HIGH
CPSC product recall notices
These national notices are not matched to this ZIP code or water system.
Protect Your Home in Lemont
Based on local data for ZIP 60439, these services may benefit homeowners in your area.
Based on local data for your area. Use the tools below to explore your options.
Home & Flood Insurance
The ZIP code for this report in Lemont has 14 FEMA flood claims on record. Standard homeowner policies don't cover flood damage - make sure you're protected.
Typical cost: Flood insurance: premiums vary by property and flood zone; request a quote
Check Your Flood Zone (Free)FEMA flood map lookup - see if your property is in a flood zone
Free tip: Check your FEMA flood zone at msc.fema.gov (free lookup)
Service recommendations are based on public data for this ZIP code (FEMA, Census ACS, NWS). Actual needs vary by property. By calling, your information will be shared with an independent service provider. ZipCheckup may receive compensation. Cost estimates are approximate and vary by property, condition, and contractor.
Frequently Asked Questions
Is the tap water in 60439 safe to drink?
EPA SDWIS records 44 violations since 2021 across the water systems mapped to ZIP 60439 (primary system: Lemont), including 1 health-based. The violation table above shows which system each record belongs to. ZipCheckup last updated this page in July 2026. The federal source release date is unavailable, so that month is not presented as source currency.
Where does 60439's water come from?
The recorded water source for Lemont, a system mapped to ZIP code 60439, is Groundwater. This system serves approximately 17,500 people.
How does Lemont water compare to the national average?
Lemont's Home Safety Score ranks better than 59% of U.S. ZIP codes, and at or above 84% within Illinois.
How can I get my water tested in Lemont?
If Lemont supplies your home, contact it for its Consumer Confidence Report; otherwise contact the water utility that serves your address, or hire a certified lab for independent home water testing. The EPA recommends annual testing if you use a private well.
Is lead a concern in 60439 tap water?
The Lead and Copper Rule record selected for 60439 reports a 90th-percentile lead result of 0.02 mg/L for a water system mapped to this ZIP (record date 2025-12-31). The EPA action level is 0.015 mg/L. This system 90th-percentile result is above the EPA lead action level of 0.015 mg/L, which requires corrective action by the system; consider a filter certified for lead reduction.
What is the radon risk for 60439?
60439 is mapped to a county in EPA Radon Zone 2 (moderate county-level radon potential; EPA recommends testing every home), located in Cook County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.
Are there PFAS (forever chemicals) in 60439's water?
Yes, PFAS have been detected in samples from water systems mapped to 60439. Reverse osmosis and activated carbon filters certified to NSF/ANSI 53 or 58 specifically for PFOA/PFOS reduction can reduce PFAS.
What does the NFIP claim history show for ZIP 60439?
FEMA records contain 14 flood insurance claims filed in ZIP code 60439; the recorded rated-zone value (the most frequent one if there are several claims) is X, which is claims evidence and may differ from the current FEMA map zone for a property. Claim records do not establish current property risk. Review FEMA's map for the specific property.
How to cite this page
ZipCheckup. (2026). Lemont, IL (60439): Lead Above EPA Action Level - 79/100. https://zipcheckup.com/report/60439/
@misc{zipcheckup-report-60439,
author = {{ZipCheckup}},
title = {{Lemont, IL (60439): Lead Above EPA Action Level - 79/100}},
year = {2026},
url = {https://zipcheckup.com/report/60439/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 60439
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 60561 | Darien, IL | 2.5 mi | B | 10 |
| 60527 | Willowbrook, IL | 3.4 mi | C | 26 |
| 60516 | Downers Grove, IL | 4.2 mi | B | 2 |
| 60559 | Westmont, IL | 4.5 mi | B | 17 |
| 60517 | Woodridge, IL | 4.9 mi | B | 18 |
| 60480 | Willow Springs, IL | 5.4 mi | B | 6 |
| 60440 | Bolingbrook, IL | 5.8 mi | B | 19 |
| 60514 | Clarendon Hills, IL | 6.2 mi | B | 10 |
| 60446 | Romeoville, IL | 6.7 mi | B | 3 |
| 60521 | Hinsdale, IL | 6.8 mi | C | 25 |
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