64% tests ≥ 4 pCi/L
440 tests on record
5.8 median pCi/L
Zone 2 EPA zone (1993 prediction)

Test results in Box Elder County

ResultShareEPA guidance
Below 2 pCi/L18%Below EPA's levels
2 to 4 pCi/L18%Consider fixing
4 pCi/L or more64%EPA recommends fixing

What the data shows

Where Box Elder County sits among Utah's 28 counties with data Each 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%100%

How Box Elder County compares

Box Elder County ranks 2 of 8 among its neighbours Share of tests at or above 4 pCi/L · Radon test results from laboratories, 2008–2017 · whisker: 95% range
Oneida County, Idaho 74% Box Elder County 64% Cassia County, Idaho 60% Cache County 57% Tooele County 45% Elko County, Nevada 40% Weber County 36% Davis County 34% Utah 42%
Data table
Area Tests ≥ 4 pCi/L Tests
Oneida County, Idaho 74% 27
Box Elder County 64% 440
Cassia County, Idaho 60% 121
Cache County 57% 1,339
Tooele County 45% 471
Elko County, Nevada 40% 159
Weber County 36% 1,123
Davis County 34% 2,660
Utah (28 counties) 42% 28,342

Same source as Box Elder County.

What it means for your home

More than half of all results in Box Elder 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.

Compare radon test kits and Airthings monitors, or enter code radonbycounty-10OFF at their discount store for 10% off.

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: 440. 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