Radon in ZIP code 57560
Last updated
ZIP 57560 crosses 3 county lines. Most of its land (56.2%) is in Mellette County, South Dakota. EPA’s radon zone for this area: Zone 2, moderate potential.
Predicted average indoor screening level from 2 to 4 pCi/L.
Predicted average indoor screening level from 2 to 4 pCi/L.
Predicted average indoor screening level from 2 to 4 pCi/L.
What this means for homes in 57560
EPA built its zone map county by county in 1993, so every address in each part of 57560 shares its county’s prediction. The zone is a starting point, not a measurement of your house. In a Zone 2 area many homes are fine and many are not; only a test tells you which yours is.
Because 57560 crosses county lines, your county depends on your street. Your property tax bill or county assessor site shows which county you are in. Next: read how to test your home, then check the number with the level calculator.
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Nearby ZIP codes in Mellette County
South Dakota radon help
SD Dept. of Environment & Natural Resources (605-773-6038) can help with test kits, local data and credentialed professionals: danr.sd.gov/Environment/AirQuality/Radon/default.aspx.
Frequently asked questions
What is the radon zone for ZIP code 57560?
ZIP 57560 spans 3 counties. The highest-potential zone among them is Zone 2 (moderate potential). Mellette County: Zone 2 (56.2% of the ZIP's land); Bennett County: Zone 2 (25% of the ZIP's land); Jackson County: Zone 2 (18.8% of the ZIP's land).
Should I test for radon in 57560?
Yes. EPA recommends testing every home regardless of zone, because radon varies from house to house. Fix the home if a confirmed result is 4 pCi/L or higher, and consider fixing between 2 and 4 pCi/L.
Free checklist · PDF
Radon Test Checklist
A one-page, step-by-step checklist for running a home radon test right the first time, and what to do with the number.
- Short-term vs. long-term test: which to use
- Closed-house conditions and where to place the kit
- What 2, 4 and 8 pCi/L mean and when to fix
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