Health Violations Found

Oswego, IL (60543): 2 Health-Based Violations Recorded for Mapped Water Systems

EPA data combined for 9 water systems mapped to this ZIP (largest mapped system: Oswego)

Health Violations Found PFAS Detected High County Radon Potential

Health-based violation records by water system:

EPA records for the water systems mapped to 60543 in Oswego, IL contain 22 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 2 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
Water records and current conditions
Current EPA violation data unavailable
Safety Score N/A
Water Quality Issues 2 health-based violation records
Lead Risk Below action level Below the reporting limit, 90th percentile, sample period ending 2025-12-31
NFIP Claim History Claim records 23 claims
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 2 health-based violations and 20 non-health-based (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 1 - highest county-level potential. This is not a home measurement; test before any threshold comparison.
  • Flood 23 cumulative NFIP claim records. Check the current FEMA map for a specific address.
Contaminant Summary
Health Violations
22 violations 2 health-based 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
9
Water Systems
38,169
People Served
2
Health Violations (since 2021)Median is 0
Groundwater
Water Source
Zone 1
County Radon Potential · High
$319K
Median Home Value117% above state median ($147K)

Get updates when new water-quality data is available for your area

Free alerts when new EPA data affects ZIP code 60543. No spam - just safety updates.

Unsubscribe anytime. We only send updates when your safety score changes. See our Privacy Policy.

Score Breakdown

Overall Home Safety Score: Score unavailable

Required evidence is missing. Missing values remain unknown and are not imputed or renormalized.

Canonical components

EPA water compliance
42/100
Observed
PFAS MCL screen
100/100
Observed
EPA radon zone
0/100
Observed
Annual EPA AirData AQI
Unknown
Evidence missing

Required domains

Drinking water
71/100
Indoor environment
0/100
Outdoor environment
Unknown

Coverage: 3 of 4 components and 2 of 3 domains observed.

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

Safety & Health (8) CRITICAL

Your Water System

ZIP code 60543 in Oswego, Illinois is mapped to the water system Oswego (EPA ID: IL0930150). This system provides water to approximately 38,169 people from groundwater sources.

There are 9 community water systems serving this area.

Water Systems Serving This Area

System Name EPA ID Population Source
Oswego IL0930150 38,169 Groundwater
Plainfield IL1970800 50,000 Surface water
Montgomery IL0894690 28,956 Groundwater
Il American-valley Marina IL0935100 1,102 Groundwater
Yorkville IL0930250 23,000 Groundwater

Other Water Quality Reports in Illinois

Nearby Water Quality Reports

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Oswego (IL0930150) 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 60543.

Detected compounds: PFBA, PFPeA, PFHxA, PFBS.

Highest measured level: 0.0059 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.

📊 EPA UCMR5 · View source →
Environmental Hazards (11) MODERATE
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.

View all recalls →

📊 CPSC · View source →

Protect Your Home in Oswego

Based on local data for ZIP 60543, 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 Oswego has 23 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 60543 safe to drink?

EPA SDWIS records 22 violations since 2021 across the water systems mapped to ZIP 60543 (primary system: Oswego), including 2 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 60543's water come from?

The recorded water source for Oswego, a system mapped to ZIP code 60543, is Groundwater. This system serves approximately 38,169 people.

How can I get my water tested in Oswego?

If Oswego 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 60543?

60543 is mapped to a county in EPA Radon Zone 1 (high county-level radon potential; EPA recommends testing every home), located in Kendall 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 60543's water?

Yes, PFAS have been detected in samples from water systems mapped to 60543. 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 60543?

FEMA records contain 23 flood insurance claims filed in ZIP code 60543; the recorded rated-zone value (the most frequent one if there are several claims) is AE, 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

APA ZipCheckup. (2026). Oswego, IL (60543): 2 Health-Based Violations Recorded for Mapped Water Systems. https://zipcheckup.com/report/60543/
BibTeX
@misc{zipcheckup-report-60543,
  author = {{ZipCheckup}},
  title  = {{Oswego, IL (60543): 2 Health-Based Violations Recorded for Mapped Water Systems}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/60543/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 60543

ZIP Code City, State Distance Grade Violations
60538 Montgomery, IL 2.4 mi C 5
60512 Bristol, IL 5.0 mi N/A 11
60503 Aurora, IL 5.3 mi N/A 23
60507 Aurora, IL 5.4 mi N/A 0
60568 Aurora, IL 5.4 mi N/A 0
60572 Aurora, IL 5.4 mi N/A 0
60506 Aurora, IL 5.6 mi C 6
60505 Aurora, IL 5.6 mi C 10
60560 Yorkville, IL 6.0 mi N/A 22
60585 Plainfield, IL 6.8 mi B 23

Contaminants Detected in 60543

Learn more about the contaminants found in your water supply:

Overall safety breakdown

Home Safety Score →

Find the right water filter

Water Filter Matcher →

Compare filters, tests & services

Compare My Options →

Compare with another ZIP

Compare Tool →
Coverage: 15/17 risk factors Data sources →
Get alerts for 60543