EPA data as of Oct 2026 · page updated 2026-10-29

Home hazard report for 60065 — Northbrook, IL

ZIP 60065 is served by Northbrook: no health-based violations since 2016, latest lead result 11 ppb, PFAS not detected. Cook is in EPA radon zone 2.

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Where ZIP 60065 is

blue: utility service area · scroll or pinch to zoom
ZIP code areaZIP center Water utility service area PFOA/PFOS ≥ 4 ppt Lead > 15 ppb 5+ violations Superfund site (active) proposed cleaned up Circles: other water systems flagged nearby; size = people served. Tap any symbol for details.

Drinking water: Northbrook

EPA IDIL0312070
People served34,200
Sourcesurface water (rivers, lakes)
Connections12,554

Health-based violations

No health-based violations reported since 2016.

Full record for Northbrook →

Lead

Jan 202611 ppb
Jul 202515 ppb
Jan 202516 ppb
Jan 20214.5 ppb
Jan 20184.2 ppb
Jan 20155.7 ppb
Jan 20125.2 ppb
Jan 20100 ppb

90th-percentile lead per sampling round (90% of the homes sampled were at or below this level). Black line: EPA’s 15 ppb action level; under the Lead and Copper Rule Improvements the action level becomes 10 ppb from 2027.

PFAS (“forever chemicals”)

CompoundHighest resultSamples with detectionEPA limit
PFHxAnot detected0 of 4—
PFPeAnot detected0 of 4—
PFBAnot detected0 of 4—
PFDAnot detected0 of 4—
PFOAnot detected0 of 44 ppt MCL
PFOSnot detected0 of 44 ppt MCL
PFNAnot detected0 of 4—
PFHxSnot detected0 of 4—
PFHpAnot detected0 of 4—
PFBSnot detected0 of 4—
HFPO-DA (GenX)not detected0 of 4—

EPA Fifth Unregulated Contaminant Monitoring Rule (UCMR 5), samples 2023–2025; ppt = parts per trillion (ng/L). The 4.0 ppt maximum contaminant levels for PFOA and PFOS were set by EPA in 2024; water systems have until the end of the decade to comply.

Radon in Cook

EPA radon zone 2 — moderate potential. Predicted average indoor radon between 2 and 4 pCi/L. Test your home; many homes here exceed 4 pCi/L.

Radon is a colorless, odorless radioactive gas from soil and rock, and the leading cause of lung cancer among non-smokers. EPA recommends fixing a home at 4 pCi/L or above and considering it from 2 pCi/L. A short-term test kit costs about $15–30. How radon zones work →

Superfund sites nearby

No site on EPA’s Superfund National Priorities List lies within 10 miles of the center of this ZIP code.

EPA Superfund National Priorities List (NPL): the country’s most serious known hazardous-waste sites, each with an EPA cleanup record (linked). Distance is measured from the ZIP center to the site’s reference point; being near a site does not by itself mean exposure — EPA site pages describe what was found and how it is being cleaned up.

Buying a home in Northbrook? See the 2026 conforming, FHA and jumbo loan limits for Cook →

What this is — and isn’t. These are records your water utility and state reported to the EPA, and the EPA’s radon map for your county. They describe the system and the area, not the water from your own tap or the air in your home. For that, read your utility’s annual Consumer Confidence Report and test: lead and radon tests are inexpensive.

Questions about 60065

Who supplies drinking water to ZIP 60065?

Northbrook (EPA ID IL0312070), a surface water (rivers, lakes) system serving about 34,200 people.

Is there lead in Northbrook, IL tap water?

The utility’s latest 90th-percentile lead result (Jan 2026) was 11 ppb; EPA’s action level is 15 ppb, falling to 10 ppb from 2027. Lead mostly comes from service lines and home plumbing, so the only way to know your tap is to test it.

Does Northbrook, IL water have PFAS?

None of the tested PFAS were found above EPA’s reporting limits in 2023–2025.

Has the water system in 60065 had violations?

No health-based violations reported since 2016.

Are there Superfund sites near 60065?

No active Superfund site within 10 miles of the ZIP center.

Is radon a problem in Cook?

Cook is in EPA radon zone 2 (moderate potential). Predicted average indoor radon between 2 and 4 pCi/L. Test your home; many homes here exceed 4 pCi/L.