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

Home hazard report for 50236 — Roland, IA

ZIP 50236 is served by Roland Water Supply: no health-based violations since 2016, latest lead result 0 ppb, PFAS not tested. Story County is in EPA radon zone 1.

Active weather alerts

live from the National Weather Service

Checking the National Weather Service…

Where ZIP 50236 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: Roland Water Supply

EPA IDIA8570001
People served1,394
Sourcegroundwater (wells)
Connections550

Health-based violations

No health-based violations reported since 2016.

Full record for Roland Water Supply →

Lead

Jan 20210 ppb
Jan 20182 ppb
Jan 201730 ppb
Jan 20162 ppb
Jul 20153 ppb
Jan 20150 ppb
Jan 201217 ppb
Jan 200910 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 Story 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 relatively high community resilience.

TornadoVery High
DroughtRelatively High
HailRelatively High
Riverine floodingRelatively High
Strong windRelatively High
Winter weatherRelatively High
Cold waveRelatively Moderate
Ice stormRelatively Moderate
LightningRelatively Moderate
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 Roland? See the 2026 conforming, FHA and jumbo loan limits for Story 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 50236

Who supplies drinking water to ZIP 50236?

Roland Water Supply (EPA ID IA8570001), a groundwater (wells) system serving about 1,394 people.

Is there lead in Roland, IA tap water?

The utility’s latest 90th-percentile lead result (Jan 2021) 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 Roland, 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 50236 had violations?

No health-based violations reported since 2016.

What natural hazards affect ZIP 50236?

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

Are there Superfund sites near 50236?

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

Is radon a problem in Story County?

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