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

Home hazard report for 62341 — Hamilton, IL

ZIP 62341 is served by Hamilton: no health-based violations since 2016, latest lead result 0 ppb, PFAS not tested. Hancock County is in EPA radon zone 1.

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Where ZIP 62341 is

Dashed: ZIP area · 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: Hamilton

EPA IDIL0670400
People served2,753
Sourcesurface water (rivers, lakes)
Connections1,328

Health-based violations

No health-based violations reported since 2016.

Full record for Hamilton →

Lead

Jan 20260 ppb
Jul 20252.2 ppb
Jan 20250 ppb
Jan 202280 ppb
Jan 20191.2 ppb
Jan 20161.7 ppb
Jan 20132.1 ppb
Jan 20103 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”)

This system was not part of EPA’s 2023–2025 nationwide PFAS testing (UCMR 5).

Radon in Hancock County

EPA radon zone 1 — highest potential. Predicted average indoor radon above 4 pCi/L — EPA’s action level. Test your home.

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 →

Natural hazard risk

FEMA rates the overall natural-hazard risk of this neighborhood (census tract) as Relatively Low, with relatively moderate social vulnerability and relatively moderate community resilience.

Cold waveRelatively High
Heat waveRelatively High
LightningRelatively High
Strong windRelatively High
HailRelatively Moderate
Ice stormRelatively Moderate
TornadoRelatively Moderate
Winter weatherRelatively Moderate
DroughtRelatively Low
LandslideRelatively Low
Riverine floodingRelatively Low
EarthquakeVery Low
HurricaneVery Low
WildfireVery Low

FEMA National Risk Index (December 2025): expected annual losses from each hazard combined with social vulnerability and community resilience, rated relative to all U.S. census tracts. Hazards not listed are not applicable here. It describes the area, not a single building; flood insurance maps (FEMA FIRMs) decide flood-insurance requirements.

Live conditions: river gauges and flood levels · tornado warnings · wildfire detections · earthquakes — our sister maps, updated from NOAA, USGS and NASA every few minutes.

Superfund sites nearby

SiteStatusDistance
Sheller-Globe Corp. Disposal
Keokuk, Iowa · EPA ID IAD980630750
Cleaned up & deleted6.4 mi

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 Hamilton? See the 2026 conforming, FHA and jumbo loan limits for Hancock County →

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 62341

Who supplies drinking water to ZIP 62341?

Hamilton (EPA ID IL0670400), a surface water (rivers, lakes) system serving about 2,753 people.

Is there lead in Hamilton, IL tap water?

The utility’s latest 90th-percentile lead result (Jan 2026) was 0 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 Hamilton, IL water have PFAS?

This system was not part of EPA’s 2023–2025 nationwide PFAS testing (UCMR 5 covers systems serving over 3,300 people and a sample of smaller ones).

Has the water system in 62341 had violations?

No health-based violations reported since 2016.

What natural hazards affect ZIP 62341?

FEMA’s National Risk Index rates the overall natural-hazard risk here as Relatively Low; the highest-rated hazards are cold wave (relatively high), heat wave (relatively high), lightning (relatively high).

Are there Superfund sites near 62341?

No active Superfund site within 10 miles of the ZIP center. Sites within 10 miles: Sheller-Globe Corp. Disposal (6.4 mi, Cleaned up & deleted).

Is radon a problem in Hancock County?

Hancock County is in EPA radon zone 1 (highest potential). Predicted average indoor radon above 4 pCi/L — EPA’s action level. Test your home.