EPA data as of Oct 2026 · page updated 2026-10-30

Home hazard report for 56031 — Fairmont, MN

ZIP 56031 is served by Fairmont: 1 violation since 2016, latest lead result 1 ppb, PFAS 1 detected. Martin County is in EPA radon zone 1.

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Where ZIP 56031 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: Fairmont

EPA IDMN1460003
People served10,328
Sourcesurface water (rivers, lakes)
Connections4,425

Health-based violations

Contaminant or ruleHealth-based violations since 2016
Nitrate1

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 2016.

Full record for Fairmont →

Lead

Jan 20221 ppb
Jan 20213 ppb
Jan 20202 ppb
Jan 20178 ppb
Jan 20145 ppb
Jan 20113 ppb
Jan 20082 ppb
Jan 20052 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
PFBA7.5 ppt3 of 4—
PFOSnot detected0 of 44 ppt MCL
PFOAnot detected0 of 44 ppt MCL
HFPO-DA (GenX)not detected0 of 4—
PFHxAnot detected0 of 4—
PFHxSnot detected0 of 4—
PFPeAnot detected0 of 4—
PFNAnot detected0 of 4—
PFDAnot detected0 of 4—
PFHpAnot detected0 of 4—
PFBSnot 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 Martin 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 relatively moderate social vulnerability and relatively high community resilience.

Winter weatherVery High
Cold waveRelatively High
HailRelatively High
Strong windRelatively High
TornadoRelatively High
DroughtRelatively Moderate
Riverine floodingRelatively Moderate
Heat waveRelatively Low
Ice stormRelatively Low
LandslideRelatively Low
LightningRelatively Low
EarthquakeVery 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 Fairmont? See the 2026 conforming, FHA and jumbo loan limits for Martin 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 56031

Who supplies drinking water to ZIP 56031?

Fairmont (EPA ID MN1460003), a surface water (rivers, lakes) system serving about 10,328 people.

Is there lead in Fairmont, MN tap water?

The utility’s latest 90th-percentile lead result (Jan 2022) was 1 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 Fairmont, MN water have PFAS?

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

Has the water system in 56031 had violations?

Health-based violations since 2016: Nitrate. All are listed as resolved.

What natural hazards affect ZIP 56031?

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

Are there Superfund sites near 56031?

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

Is radon a problem in Martin County?

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