Norris, SD Radon Levels
Check local Norris radon levels and find certified testing and mitigation professionals to keep your home safe
Norris, SD Radon Facts
EPA Radon Zone
Zone 2 — Moderate Risk
2–4 pCi/L (Zone 2)
County
Mellette County, SD
Zip Code
57560
Located in south-central South Dakota's Mellette County, Norris sits in EPA Zone 2 where Pierre Shale formations can create moderate radon potential across the Great Plains. Testing data for zip code 57560 remains limited, so homeowners should conduct radon measurements to assess their specific risk in this sparsely populated prairie region.
Norris, SD Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Need Radon Mitigation or Testing in Norris?
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Radon FAQ for Norris, SD
What EPA Radon Zone is Norris in?
Norris and the 57560 zip code are in Mellette County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.
How much does radon mitigation cost in Norris?
Radon mitigation in Norris typically costs between $800 and $2,000. Most homes with standard basements can be mitigated with a sub-slab depressurization system in the $1,000–$1,500 range. Factors that can increase cost include complex foundations, crawl spaces, or very high radon levels.
Should I test for radon if I'm buying a home in Norris?
Yes. Radon testing should be part of every home purchase. A short-term radon test is typically included as part of the home inspection process and costs $150–$250. If elevated levels are found, you can negotiate mitigation as part of the sale.
Most Active Radon Markets in South Dakota
Cities in South Dakota with the most user-submitted radon test data, ranked by number of submissions.
| City | Avg User Radon Level | Submissions |
|---|---|---|
| Spearfish | 7.75 pCi/L | 4 |
| Rapid City | 10.50 pCi/L | 2 |
| Aberdeen | 8.50 pCi/L | 2 |
| Sioux Falls | 6.00 pCi/L | 2 |
| Watertown | 6.00 pCi/L | 2 |