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

Home hazard report for 50673 — Stout, IA

ZIP 50673 is served by Stout Water Supply: no health-based violations since 2016, latest lead result 4 ppb, PFAS not tested. Grundy County is in EPA radon zone 1.

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Where ZIP 50673 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: Stout Water Supply

EPA IDIA3880001
People served191
Sourcegroundwater (wells)
Connections90

Health-based violations

No health-based violations reported since 2016.

Full record for Stout Water Supply →

Lead

Jan 20234 ppb
Jan 20202 ppb
Jan 20176 ppb
Jan 20146 ppb
Jan 20110 ppb
Jan 20080 ppb
Jan 20050 ppb
Jan 20025.2 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 Grundy 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 low social vulnerability and very high community resilience.

Cold waveRelatively High
DroughtRelatively High
HailRelatively High
Strong windRelatively High
TornadoRelatively High
Winter weatherRelatively High
Riverine floodingRelatively Moderate
Ice stormRelatively Low
LightningRelatively Low
EarthquakeVery Low
Heat waveVery 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 Stout? See the 2026 conforming, FHA and jumbo loan limits for Grundy 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 50673

Who supplies drinking water to ZIP 50673?

Stout Water Supply (EPA ID IA3880001), a groundwater (wells) system serving about 191 people.

Is there lead in Stout, IA tap water?

The utility’s latest 90th-percentile lead result (Jan 2023) was 4 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 Stout, IA 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 50673 had violations?

No health-based violations reported since 2016.

What natural hazards affect ZIP 50673?

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

Are there Superfund sites near 50673?

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

Is radon a problem in Grundy County?

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