Radon levels in ZIP 49058
ModerateEPA Zone 2ZIP 49058 (Barry County, Michigan): predicted long-term basement average of 2.1 pCi/L (model estimate), close to the average US ZIP (2.2) and about 1.3× the Michigan average (1.6). This is the most populous ZIP in Barry County.
Test ZIP 49058 - the EPA says "consider fixing" in this range
The predicted basement average here is 2.1 pCi/L, in the 2-4 pCi/L band where the EPA recommends considering mitigation. Plenty of individual homes in a moderate area test above 4. Start with a short-term test; if it comes back at 2 or higher, follow up with a long-term test or a continuous monitor.
Already tested at 4 pCi/L or higher? Find a certified mitigation professional (EPA). A mitigation system typically runs $800-$2,500 installed.
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Predicted (model estimate). The pCi/L figures on this page are long-term area averages from a peer-reviewed national model built on millions of real radon tests (2001-2021). They describe the typical home in this area - not your home, which can be several times higher or lower. The EPA radon zone is a separate, 1993 county-level classification. How the numbers work.
2.1 ± 0.06
pCi/L predicted basement mean (model SD)
1.2 ± 0.06
pCi/L predicted upstairs mean
1.8 ± 0.06
pCi/L predicted typical screening test
How 49058 compares
Within Barry County, ZIP 49058 ranks #5 of 8 ZIPs by predicted basement level; the county average is 2.2 pCi/L and its ZIPs run from 2.1 to 2.8. The county is EPA Radon Zone 2. About 19,127 people lived in this ZIP at the 2010 Census.
Above-ground floors are predicted at 1.2 pCi/L, below the action level, while basements sit in the 2-4 band. If you spend time in a finished basement, test there first.
Other ZIP codes in Barry County
ZIP 49058 radon questions
- Is radon high in ZIP 49058?
- Moderate. The model's predicted long-term basement average for ZIP 49058 is 2.1 pCi/L (SD 0.06), with above-ground floors at 1.2 pCi/L. That is close to the average US ZIP code (2.2) and close to the Barry County average of 2.2. It ranks 5 of 8 ZIPs in the county.
- Do I need to test my home in 49058?
- Yes. 49058's predicted average falls in the EPA's 2-4 pCi/L "consider fixing" band, and a meaningful share of individual homes in such areas test above 4. Test with a short-term kit and confirm anything at 2 or higher with a long-term test.
- What EPA radon zone is ZIP 49058 in?
- ZIP 49058 lies mostly in Barry County, which the EPA classifies as Radon Zone 2 (moderate potential (2-4 pCi/L)). Zones are county-wide and date from 1993; the ZIP-level prediction above is from a 2001-2021 model built on millions of tests.
ZIP pages are generated for ZIPs predicted at or above 2.5 pCi/L and for the most populous ZIP in each county; all other ZIPs appear in their county table. Methodology.