19%tests ≥ 4 pCi/L
3,280tests on record
1.7median pCi/L
Zone 2EPA zone (1993 prediction)

Test results in Spartanburg County

ResultShareEPA guidance
Below 2 pCi/L55%Below EPA's levels
2 to 4 pCi/L26%Consider fixing
4 pCi/L or more19%EPA recommends fixing

What the data shows

Where Spartanburg County sits among South Carolina's 46 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%10%20%30%40%50%

How Spartanburg County compares

Spartanburg County ranks 4 of 7 among its neighboursShare of tests at or above 4 pCi/L · Radon test results from laboratories, 2008–2017 · whisker: 95% range
Polk County, North Caroli…30%Rutherford County, North …26%Greenville County20%Spartanburg County19%Laurens County14%Cherokee County14%Union County0%South Carolina 19%
Data table
AreaTests ≥ 4 pCi/LTests
Polk County, North Carolina30%594
Rutherford County, North Carolina26%511
Greenville County20%12,004
Spartanburg County19%3,280
Laurens County14%244
Cherokee County14%153
Union County0%27
South Carolina (46 counties)19%26,481

Same source as Spartanburg County.

What it means for your home

About 1 in 5 results in Spartanburg 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: 3,280. 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