ZipCheckup grade for 62026: B.

This ZIP has a few items worth a quick check.

Your top priority: use a filter certified to reduce PFAS; check which ones. Check your ZIP → EPA PFAS info

Water Quality Report

Edwardsville, IL (62026): PFAS Detected in Mapped Water Systems - 81/100

EPA data combined for 3 water systems mapped to this ZIP (largest mapped system: Edwardsville)

PFAS Detected

EPA records for the water systems mapped to 62026 in Edwardsville, IL contain 5 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 0 are marked health-based.

Data source: U.S. Environmental Protection Agency (EPA) SDWIS

Based on EPA Drinking Water FEMA Flood Data U.S. Census CDC Energy Information Admin. USGS Water Data & 9 more federal sources

Latest air quality, EPA records and weather alerts Current data temporarily unavailable

Current EPA violation data unavailable

Safety Score

B 81/100

Water Quality Concerns 5 non-health-based violation records in EPA data

Lead Risk Below action level Below the reporting limit, 90th percentile, sample period ending 2026-06-30

NFIP Claim History N/A

Data confidence: High (direct measurement) Medium (sampled / sub-geography) Low (modeled / inferred) Methodology →

At a Glance

Water EPA records for water systems mapped to this ZIP show 5 violations (non-health) (since 2021).
Lead The reported 90th-percentile lead result is below the laboratory reporting limit, not a measured zero; EPA's health goal for lead is zero.
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.

Contaminant Summary

Violations on record (not health-based)

5 violations PFAS detected

Report data assembled: Jul 27, 2026 EPA water-system identity: source date or period is not present in ZipCheckup's accepted source record EPA violation history: more than two update cycles old Lead, copper and UCMR measurements: source date or period is not present in ZipCheckup's accepted source record Consumer Confidence Report: source date or period is not present in ZipCheckup's accepted source record

ZIP-level Home Safety model score: 81 / 100

Home Safety Score higher than 62% of ZIP codes nationwide

Water Systems

26,808

People Served

Health Violations (since 2021)

Groundwater

Water Source

Zone 2

County Radon Potential · Moderate

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Compiled data for Edwardsville (62026) captures 1 condition at the high-priority tier - no finding in this dataset meets the critical threshold.

PFAS Detected in Water Supply HIGH

PFAS ("forever chemicals") have been detected in water systems serving this ZIP code. Highest level: 0.016 µg/L.

What to do: Consider a water filter rated for PFAS reduction (NSF/ANSI 53 or 58). See PFAS Contamination below ↓ ↓

Score Breakdown

Overall Home Safety Score: 81/100

This is the published model score. Component and domain values are shown independently; they are not added together on this page.

Canonical components

EPA water compliance

84/100

Observed

PFAS MCL screen

100/100

Observed

EPA radon zone

50/100

Observed

Annual EPA AirData AQI

100/100

Observed

Required domains

Drinking water

92/100

Indoor environment

50/100

Outdoor environment

100/100

Coverage: 4 of 4 components and 3 of 3 domains observed.

Model 4.0.0; series home-safety-v4-cross-vertical.

Safety & Health (8) HIGH

Your Water System

ZIP code 62026 in Edwardsville, Illinois is mapped to the water system Edwardsville (EPA ID: IL1190250). This system provides water to approximately 26,808 people from groundwater sources.

There are 3 community water systems serving this area.

Water Systems Serving This Area

System Name	EPA ID	Population	Source
Edwardsville	IL1190250	26,808	Groundwater
Glen Carbon	IL1190300	12,618	Surface water
University Flats Mhp	IL1190260	203	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

62025 (Edwardsville) - <1 mi - 36 violations recorded for mapped water systems
62034 (Glen Carbon) - 4 mi - 7 violations recorded for mapped water systems
62087 (South Roxana) - 6 mi - 23 violations recorded for mapped water systems
62062 (Maryville) - 7 mi - 4 violations recorded for mapped water systems
62084 (Roxana) - 7 mi - 31 violations recorded for mapped water systems
62294 (Troy) - 7 mi - 5 violations recorded for mapped water systems
62048 (Hartford) - 8 mi - 31 violations recorded for mapped water systems
62046 (Hamel) - 8 mi
62010 (Bethalto) - 8 mi - 8 violations recorded for mapped water systems
62095 (Wood River) - 8 mi - 5 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 Edwardsville (IL1190250) 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.

📊 EPA Safe Drinking Water · View source →

PFAS Contamination Detected

PFAS ("forever chemicals") have been reported in samples from water systems associated with ZIP code 62026.

Detected compounds: PFBA, PFHxA, PFPeA, PFBS.

Highest measured level: 0.016 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.

Learn about PFAS risks → Find a PFAS filter →

📊 EPA UCMR5 · View source →

Environmental Hazards (9) HIGH

Home & Infrastructure (2) OK

Cost & Community (6) OK

CPSC product recall notices

These national notices are not matched to this ZIP code or water system.

View all recalls →

📊 CPSC · View source →

Frequently Asked Questions

Is the tap water in 62026 safe to drink?

EPA SDWIS records 5 violations since 2021 across the water systems mapped to ZIP 62026 (primary system: Edwardsville), including 0 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 62026's water come from?

The recorded water source for Edwardsville, a system mapped to ZIP code 62026, is Groundwater. This system serves approximately 26,808 people.

How does Edwardsville water compare to the national average?

Edwardsville's Home Safety Score ranks better than 62% of U.S. ZIP codes, and at or above 90% within Illinois.

How can I get my water tested in Edwardsville?

If Edwardsville 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.

What is the radon risk for 62026?

62026 is mapped to a county in EPA Radon Zone 2 (moderate county-level radon potential; EPA recommends testing every home), located in Madison 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 62026's water?

Yes, PFAS have been detected in samples from water systems mapped to 62026. Reverse osmosis and activated carbon filters certified to NSF/ANSI 53 or 58 specifically for PFOA/PFOS reduction can reduce PFAS.

How to cite this page

APA

ZipCheckup. (2026). Edwardsville, IL (62026): PFAS Detected in Mapped Water Systems - 81/100. https://zipcheckup.com/report/62026/

BibTeX

@misc{zipcheckup-report-62026,
  author = {{ZipCheckup}},
  title  = {{Edwardsville, IL (62026): PFAS Detected in Mapped Water Systems - 81/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/62026/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 62026

ZIP Code	City, State	Distance	Grade	Violations
62025	Edwardsville, IL	<1 mi	D	36
62034	Glen Carbon, IL	3.6 mi	B	7
62087	South Roxana, IL	5.7 mi	N/A	23
62062	Maryville, IL	6.8 mi	B	4
62084	Roxana, IL	7.3 mi	C	31
62294	Troy, IL	7.5 mi	B	5
62048	Hartford, IL	7.6 mi	N/A	31
62046	Hamel, IL	7.9 mi	N/A	0
62010	Bethalto, IL	7.9 mi	C	8
62095	Wood River, IL	8.1 mi	C	5