71%tests ≥ 4 pCi/L
420tests on record
6.3median pCi/L
Zone 1EPA zone (1993 prediction)

Test results in Emmet County

ResultShareEPA guidance
Below 2 pCi/L10%Below EPA's levels
2 to 4 pCi/L19%Consider fixing
4 pCi/L or more71%EPA recommends fixing

What the data shows

Where Emmet County sits among Iowa's 99 counties with dataEach dot is a county's share of tests at or above 4 pCi/L · Iowa radon test results from laboratories, 2008–2017
0%20%40%60%80%

How Emmet County compares

Emmet County ranks 2 of 5 among its neighboursShare of tests at or above 4 pCi/L · Iowa radon test results from laboratories, 2008–2017 · whisker: 95% range
Clay County79%Emmet County71%Palo Alto County71%Dickinson County70%Kossuth County66%Iowa 58%
Data table
AreaTests ≥ 4 pCi/LTests
Clay County79%744
Emmet County71%420
Palo Alto County71%462
Dickinson County70%831
Kossuth County66%434
Iowa (99 counties)58%95,245

Same source as Emmet County. Other bordering counties: Jackson County, Minnesota, Martin County, Minnesota.

What it means for your home

More than half of all results in Emmet County were at or above 4 pCi/L, where the EPA recommends a fix. Only a test shows your own home's level.

Levels in pCi/L from the EPA. The WHO reference level is 100 Bq/m³, about 2.7 pCi/L.

Test your home

Start with a short-term test (2–90 days) and confirm a result of 4 pCi/L or more with a second test. EPA guide

Sponsored: we earn a commission on purchases through these links. We haven't tested Airthings monitors yet.

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Fixing high radon

No local job records yet. National range: $800–$2,500, average $1,200 (EPA, 2003). Cost guide →

Iowa licenses radon mitigators. Source

Buying or selling here

Iowa sellers complete the Real Estate Commission's disclosure statement and must give buyers the "Iowa Radon Home-Buyers and Sellers Fact Sheet" (Iowa Admin. Code 193E). Source

Checked against the official text on 2026-11-03. Not legal advice.

About this data

Source: Iowa radon test results from laboratories (CDC Environmental Public Health Tracking Network). Period: 2008–2017. Tests: 420. Read the methodology →

These are voluntary and real-estate tests, not a random sample of homes, so they describe tested homes rather than every home.

About this page

Published by Ray Roman, editor of Radon by County. Figures are loaded from the cited source and spot-checked against it. Editorial policy · About us