77%tests ≥ 4 pCi/L
175tests on record
6.8median pCi/L
Zone 1EPA zone (1993 prediction)

Test results in Fillmore County

ResultShareEPA guidance
Below 2 pCi/L11%Below EPA's levels
2 to 4 pCi/L13%Consider fixing
4 pCi/L or more77%EPA recommends fixing

What the data shows

Where Fillmore County sits among Nebraska's 93 counties with dataEach dot is a county's share of tests at or above 4 pCi/L · Radon test results from laboratories, 2008–2017
0%20%40%60%80%

How Fillmore County compares

Fillmore County ranks 4 of 8 among its neighboursShare of tests at or above 4 pCi/L · Radon test results from laboratories, 2008–2017 · whisker: 95% range
Clay County85%York County80%Nuckolls County79%Fillmore County77%Seward County75%Saline County69%Thayer County68%Jefferson County67%Nebraska 59%
Data table
AreaTests ≥ 4 pCi/LTests
Clay County85%194
York County80%616
Nuckolls County79%244
Fillmore County77%175
Seward County75%914
Saline County69%242
Thayer County68%110
Jefferson County67%325
Nebraska (93 counties)59%42,782

Same source as Fillmore County.

What it means for your home

More than half of all results in Fillmore 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 →

About this data

Source: Radon test results from laboratories (CDC Environmental Public Health Tracking Network). Period: 2008–2017. Tests: 175. 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