50%tests ≥ 4 pCi/L
409tests on record
3.9median pCi/L
Zone 1EPA zone (1993 prediction)

Test results in Sweetwater County

ResultShareEPA guidance
Below 2 pCi/L22%Below EPA's levels
2 to 4 pCi/L29%Consider fixing
4 pCi/L or more50%EPA recommends fixing

What the data shows

Where Sweetwater County sits among Wyoming's 23 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%

How Sweetwater County compares

Sweetwater 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
Lincoln County68%Fremont County56%Sublette County50%Sweetwater County50%Carbon County41%Summit County, Utah33%Uinta County25%Daggett County, Utah0%Wyoming 44%
Data table
AreaTests ≥ 4 pCi/LTests
Lincoln County68%142
Fremont County56%618
Sublette County50%60
Sweetwater County50%409
Carbon County41%80
Summit County, Utah33%894
Uinta County25%199
Daggett County, Utah0%2
Wyoming (23 counties)44%7,638

Same source as Sweetwater County. Other bordering counties: Moffat County, Colorado.

What it means for your home

About 1 in 2 results in Sweetwater 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: 409. 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