ZipCheckup grade for 60527: C.

A mixed picture - some signals here are worth your attention.

Your top priority: have older plumbing checked for lead solder. Check your ZIP → EPA: reduce lead

Health Violations Found
C 60

Willowbrook, IL (60527): 2 Health-Based Violations Recorded for Mapped Water Systems - 60/100

EPA data combined for 12 water systems mapped to this ZIP (largest mapped system: Burr Ridge)

Health Violations Found

Health-based violation records by water system:

EPA records for the water systems mapped to 60527 in Willowbrook, IL contain 26 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
C 60/100
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 43 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 24 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.
  • Radon EPA Zone 2 - county-level radon potential, not a home measurement.
  • Flood 43 cumulative NFIP claim records. Check the current FEMA map for a specific address.
Contaminant Summary
Health Violations
26 violations 2 health-based
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
C
ZIP-level Home Safety model score: 60 / 100
Bottom 19% of U.S. ZIP codes
12
Water Systems
11,192
People Served
2
Health Violations (since 2021)Median is 0
Surface water
Water Source
Zone 2
County Radon Potential · Moderate
$488K
Median Home Value232% above state median ($147K)

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Score Breakdown

Overall Home Safety Score: 60/100

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
10/100
Observed
PFAS MCL screen
100/100
Observed
EPA radon zone
50/100
Observed
Annual EPA AirData AQI
75/100
Observed

Required domains

Drinking water
55/100
Indoor environment
50/100
Outdoor environment
75/100

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

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

Safety & Health (6) CRITICAL

Your Water System

ZIP code 60527 in Willowbrook, Illinois is mapped to the water system Burr Ridge (EPA ID: IL0434190). This system provides water to approximately 11,192 people from surface water sources.

There are 12 community water systems serving this area.

Water Systems Serving This Area

System Name EPA ID Population Source
Burr Ridge IL0434190 11,192 Surface water
Willowbrook IL0431100 9,000 Surface water
Darien IL0430270 21,751 Surface water
Clarendon Hills IL0430250 8,702 Surface water
Hinsdale IL0434520 17,900 Surface water

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 Burr Ridge (IL0434190) 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 →

UCMR 5 PFAS monitoring: no reportable detections in available records

Available federal UCMR5 records for water systems mapped to ZIP code 60527 show no PFAS detections among the compounds tested, at the program's reporting levels.

The EPA Fifth Unregulated Contaminant Monitoring Rule (UCMR5) required community and non-transient non-community water systems serving 3,300 or more people to test for 29 PFAS compounds and lithium between 2023 and 2025. Systems with no detections at the federal minimum reporting level had no results at or above that reporting level.

📊 EPA UCMR5 · View source →
Environmental Hazards (11) HIGH
Home & Infrastructure (6) MODERATE
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 Willowbrook

Based on local data for ZIP 60527, 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 Willowbrook has 43 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)

Gutter Installation & Repair

The median home in 60527 was built around 1989. Aging gutters can cause foundation damage, basement flooding, and mold - a professional assessment can prevent costly repairs.

Typical cost: Gutter installation: typically $1,000–$2,500 for a standard home

Estimate Your Home Maintenance Costs

Roofing Inspection & Repair

Active weather alerts in Illinois increase the risk of roof damage from hail and high winds. A professional inspection can identify vulnerabilities.

Typical cost: Roof inspection: typically $75–$300; repairs $300–$1,500

Estimate Your Home Insurance Needs

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 60527 safe to drink?

EPA SDWIS records 26 violations since 2021 across the water systems mapped to ZIP 60527 (primary system: Burr Ridge), 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 60527's water come from?

The recorded water source for Burr Ridge, a system mapped to ZIP code 60527, is Surface water. This system serves approximately 11,192 people.

How does Willowbrook water compare to the national average?

Willowbrook's Home Safety Score ranks lower than 81% of U.S. ZIP codes, and lower than 83% of ZIP codes within Illinois.

How can I get my water tested in Willowbrook?

If Burr Ridge 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 60527?

60527 is mapped to a county in EPA Radon Zone 2 (moderate county-level radon potential; EPA recommends testing every home), located in DuPage County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.

What does the NFIP claim history show for ZIP 60527?

FEMA records contain 43 flood insurance claims filed in ZIP code 60527; 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). Willowbrook, IL (60527): 2 Health-Based Violations Recorded for Mapped Water Systems - 60/100. https://zipcheckup.com/report/60527/
BibTeX 
@misc{zipcheckup-report-60527,
  author = {{ZipCheckup}},
  title  = {{Willowbrook, IL (60527): 2 Health-Based Violations Recorded for Mapped Water Systems - 60/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/60527/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 60527

ZIP Code City, State Distance Grade Violations
60561 Darien, IL 2.4 mi B 10
60480 Willow Springs, IL 2.9 mi B 6
60559 Westmont, IL 2.9 mi B 17
60439 Lemont, IL 3.4 mi B 44
60514 Clarendon Hills, IL 3.8 mi B 10
60521 Hinsdale, IL 3.8 mi C 25
60525 La Grange, IL 4.3 mi C 23
60516 Downers Grove, IL 4.4 mi B 2
60558 Western Springs, IL 4.5 mi C 17
60458 Justice, IL 5.1 mi B 0

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