Radon levels in Turner County, South Dakota

59% of 58 radon tests here were at or above 4 pCi/L (EPA's action level). Data through 2017. Source: Radon test results from laboratories.

Data through 2017 · Radon test results from laboratories

59%tests ≥ 4 pCi/L
58tests on record
4.8median pCi/L
Zone 1EPA zone (1993 prediction)

Test results in Turner County

ResultShareEPA guidance
Below 2 pCi/L19%Below EPA's levels
2 to 4 pCi/L22%Consider fixing
4 pCi/L or more59%EPA recommends fixing

What the data shows

Where Turner County sits among South Dakota's 62 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%100%

How Turner County compares

Turner County ranks 3 of 7 among its neighboursShare of tests at or above 4 pCi/L · Radon test results from laboratories, 2008–2017 · whisker: 95% range
Yankton County73%Hutchinson County67%Turner County59%Minnehaha County58%Lincoln County56%Clay County52%McCook County50%South Dakota 58%
Data table
AreaTests ≥ 4 pCi/LTests
Yankton County73%118
Hutchinson County67%39
Turner County59%58
Minnehaha County58%1,920
Lincoln County56%795
Clay County52%83
McCook County50%30
South Dakota (62 counties)58%6,275

Same source as Turner County.

What it means for your home

More than half of all results in Turner 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: 58. 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