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

Home hazard report for 48162 — Monroe, MI

ZIP 48162 is served by Monroe: 1 violation since 2016, latest lead result 2 ppb, PFAS not detected. Monroe County is in EPA radon zone 2.

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Where ZIP 48162 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: Monroe

EPA IDMI0004450
People served49,467
Sourcesurface water (rivers, lakes)
Connections18,271

Health-based violations

Contaminant or ruleHealth-based violations since 2016
Revised Total Coliform 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 Jun 2017.

Full record for Monroe →

Other systems overlapping this ZIP: Frenchtown Township.

Lead

Jan 20252 ppb
Jan 20243 ppb
Jan 20234 ppb
Jan 20224 ppb
Jan 20216 ppb
Jan 20205 ppb
Jan 20198 ppb
Jan 201415 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
PFPeAnot detected0 of 4—
PFHxSnot detected0 of 4—
PFBSnot detected0 of 4—
PFHpAnot detected0 of 4—
PFBAnot detected0 of 4—
PFNAnot detected0 of 4—
PFOSnot detected0 of 44 ppt MCL
PFOAnot detected0 of 44 ppt MCL
PFDAnot detected0 of 4—
PFHxAnot 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 Monroe County

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 →

Natural hazard risk

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

Cold waveRelatively High
Ice stormRelatively High
Riverine floodingRelatively High
Strong windRelatively High
TornadoRelatively High
Winter weatherRelatively High
HailRelatively Moderate
LightningRelatively Moderate
Coastal floodingRelatively Low
EarthquakeRelatively Low
Heat waveRelatively Low
HurricaneVery Low
LandslideVery 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

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 Monroe? See the 2026 conforming, FHA and jumbo loan limits for Monroe 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 48162

Who supplies drinking water to ZIP 48162?

Monroe (EPA ID MI0004450), a surface water (rivers, lakes) system serving about 49,467 people.

Is there lead in Monroe, MI tap water?

The utility’s latest 90th-percentile lead result (Jan 2025) was 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 Monroe, MI water have PFAS?

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

Has the water system in 48162 had violations?

Health-based violations since 2016: Revised Total Coliform Rule. All are listed as resolved.

What natural hazards affect ZIP 48162?

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

Are there Superfund sites near 48162?

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

Is radon a problem in Monroe County?

Monroe County 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.