CITY REPORT IL 2 HEALTH VIOLATIONS

Barrington, IL: PFAS Found in Water - Home Safety 67/100

2 ZIP codes · 5 water systems · Updated

ZipCheckup grade for Barrington: C.

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

The systems supplying Barrington vary in performance across IL benchmarks - most meet minimum federal standards, but documented violations in select areas are on record.

How Barrington Compares

Barrington67/100
Illinois avg68/100
National avg73/100

Data: EPA SDWIS

2
ZIP Codes
5
Water Systems
1
ZIPs with Violations
C · 67
Avg Safety Score
Zone 2
Radon Risk (Moderate)
$623K
Median Home Value
$1,300
Est. Remediation (0.2% of home value)

Key Facts for Barrington Residents

  • Your city's water systems recorded 54 violations in the past 5 years.
  • Average lead level: 0.015 mg/L.
  • Estimated remediation: $1,300 per household.
  • CDC health risk index: 11.37.

Barrington's Water Providers

Throughout Barrington, IL, water comes from one of 3 primary utilities out of 5 total systems - independent providers with different rate structures, infrastructure, and compliance records that vary across the service territory.

Overview

We track home safety data for 2 ZIP codes in Barrington, Illinois (population ~45,970), covering 5 community water systems serving approximately 86,339 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 2 ZIP codes.

1 of 1 ZIP code with a reported violation count in the available EPA record (100%) have recorded EPA violations. 2 health-based violations appear in the available health breakdown.

Home Safety Score

Average Home Safety Score for Barrington: C (67/100)

Model 4.0.0 uses four measured components across three equally weighted domains. If a required domain is unavailable, no score is published:

Factor What It Measures
Water Quality EPA violations and compliance history
PFAS MCL Screen UCMR 5 testing against the covered federal MCLs
Radon Risk EPA radon zone classification
Annual AQI EPA AirData county-year median with at least 90 observed days

Water Sources

Barrington water systems draw from: Groundwater, Surface water.

Lead & Copper

  • Average lead level (90th percentile): 0.0150 mg/L (EPA action level: 0.015 mg/L)
  • 0 of 1 ZIP code with known status exceed the EPA lead action level

Radon Risk

Dominant radon zone: Zone 2 (Moderate Risk)

  • Zone 1 (High): 0 ZIP codes
  • Zone 2 (Moderate): 2 ZIP codes
  • Zone 3 (Low): 0 ZIP codes

The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.

Top Contaminants

Contaminant Category Violations ZIPs Affected
Surface Water Treatment Rule Treatment Technique 16 1
Gross Beta Radionuclides 14 1
Stage 2 DBP Rule Treatment Technique 6 1
Lead and Copper Rule Treatment Technique 4 1
Contaminant 2005 Other 2 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
60010 C 54 2 Lake Zurich

All ZIP Codes in Barrington

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

Barrington Community Health Snapshot

9.1%
Asthma (US: 9.8%)
11.2%
Diabetes (US: 10.4%)
14.1%
Poor Mental Health (US: 14.8%)

Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.

Compared to National Average

Asthma 9.1% ↓
Diabetes 11.2% ↑
Mental Health 14.1% ↓

Vertical line = national average. Above national · Below national

What's in Barrington's Water?

Surface Water Treatment Rule 16 violations
Treatment Technique
Pathogens may not be adequately removed
Gross Beta 14 violations
Radionuclides · EPA limit: 50 pCi/L
Stage 2 DBP Rule 6 violations
Treatment Technique
Disinfection byproduct exposure risk

Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.

How Remediation Costs Compare in Barrington

In Barrington, property wealth outpaces what documented remediation typically demands - the equity burden lands well within the low tier.

Median Home Value
$622,900
Est. Remediation
$1,300
Remediation as % of home value 0.2%

Remediation costs in Barrington are relatively low compared to home values. The $550–$2,300 estimated range is a small fraction of median property value. Home values are 239% above the Illinois average.

Barrington: Lead Risk & Vulnerable Populations

0.015
mg/L Avg Lead (Limit: 0.015)

Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.

Lead risk in Barrington appears low overall, but individual homes may differ. Testing is the only way to confirm your water's lead content.

Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.

Barrington: NFIP Claim Records and Water-Quality Context

149
Total FEMA Flood Claims
$11,391
Avg Reported Sum With Payment Data
0%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Barrington contains 149 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $11,391. Among ZIP codes with claim records, 0% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.

How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. The <strong>$1,300</strong> remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.

Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.

Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.

What You Can Do in Barrington

  1. Test your water at home. City-level data shows averages - your tap may differ. Lead testing is especially recommended given the area's lead levels.
  2. Install a certified water filter. Filters rated for Surface Water Treatment Rule can reduce the most common contaminant found in Barrington's water.
  3. Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.

Frequently Asked Questions

What does the Home Safety Score mean for Barrington, IL?
Barrington has an average Home Safety Score of 67/100 (Grade C) under model 4.0.0. The score combines EPA SDWIS identity plus accepted ECHO SDWA lifecycle-based water compliance, the PFAS MCL screen, EPA radon zone, and annual EPA AQI, and is published only when all required domains are observed. 54 EPA violations have been recorded. Check individual ZIP code reports for component details.
How many water violations does Barrington have?
Barrington water systems have a total of 54 EPA violations, including 2 health-based violations. Violations are tracked across 2 ZIP codes.
Does Barrington water have lead?
The average 90th-percentile lead level in Barrington is 0.015 mg/L. This is below the EPA action level of 0.015 mg/L. Lead levels can vary by home - testing is recommended especially in older properties.
How does Barrington compare to Illinois average?
Barrington has an average Home Safety Score of 67/100, which is below the Illinois state average of 68/100 for the same model series.
How many water systems serve Barrington?
Barrington is served by 5 public water systems across 2 ZIP codes, serving approximately 45,970 people.
How much does it cost to fix water issues in Barrington?
Estimated remediation costs in Barrington average $1,300 per household, ranging from $550 to $2,300. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesIllinois → Barrington, IL

How to cite this page

APA ZipCheckup. (2026). Barrington, IL: PFAS Found in Water - Home Safety 67/100. https://zipcheckup.com/cities/il/barrington/
BibTeX
@misc{zipcheckup-cities-il-barrington,
  author = {{ZipCheckup}},
  title  = {{Barrington, IL: PFAS Found in Water - Home Safety 67/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/il/barrington/}
}

Page version: August 2026.

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