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

Home hazard report for 61072 — Rockton, IL

ZIP 61072 is served by Rockton: 1 violation since 2016, latest lead result 3.2 ppb, PFAS 1 detected. Winnebago County is in EPA radon zone 1.

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Where ZIP 61072 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: Rockton

EPA IDIL2010350
People served7,863
Sourcegroundwater (wells)
Connections3,252

Health-based violations

Contaminant or ruleHealth-based violations since 2016
Lead and Copper Rule1

A health-based violation means a contaminant exceeded its legal limit (MCL) or a required treatment technique was not met, as reported by the state to EPA’s SDWIS. All are listed as resolved or archived; the latest began Apr 2023.

Full record for Rockton →

Lead

Jan 20263.2 ppb
Jul 20251.4 ppb
Jan 20251 ppb
Jul 20241.1 ppb
Jan 20243.9 ppb
Jul 20235.7 ppb
Jan 20235.2 ppb
Jan 20203.7 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
PFHxS12 ppt3 of 8—
HFPO-DA (GenX)not detected0 of 8—
PFBAnot detected0 of 8—
PFPeAnot detected0 of 8—
PFBSnot detected0 of 8—
PFHpAnot detected0 of 8—
PFNAnot detected0 of 8—
PFOSnot detected0 of 84 ppt MCL
PFOAnot detected0 of 84 ppt MCL
PFDAnot detected0 of 8—
PFHxAnot detected0 of 8—

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 Winnebago 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 Moderate, with very low social vulnerability and relatively moderate community resilience.

Cold waveRelatively High
Riverine floodingRelatively High
TornadoRelatively High
HailRelatively Moderate
LightningRelatively Moderate
Strong windRelatively Moderate
Winter weatherRelatively Moderate
DroughtRelatively Low
Heat waveRelatively Low
Ice stormRelatively Low
WildfireRelatively Low
EarthquakeVery Low
HurricaneVery Low
LandslideVery 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
Beloit Corp.
Rockton, Illinois · EPA ID ILD021440375
Active (final NPL)4.1 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 Rockton? See the 2026 conforming, FHA and jumbo loan limits for Winnebago 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 61072

Who supplies drinking water to ZIP 61072?

Rockton (EPA ID IL2010350), a groundwater (wells) system serving about 7,863 people.

Is there lead in Rockton, IL tap water?

The utility’s latest 90th-percentile lead result (Jan 2026) was 3.2 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 Rockton, IL water have PFAS?

PFAS were detected, with PFOA and PFOS below 4.0 ppt (highest not detected).

Has the water system in 61072 had violations?

Health-based violations since 2016: Lead and Copper Rule. All are listed as resolved.

What natural hazards affect ZIP 61072?

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

Are there Superfund sites near 61072?

The nearest active Superfund site is 4.1 miles away. Sites within 10 miles: Beloit Corp. (4.1 mi, Active (final NPL)).

Is radon a problem in Winnebago County?

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