Portage, UT Radon Levels
Check local Portage radon levels and find certified testing and mitigation professionals to keep your home safe
Portage, UT Radon Facts
EPA Radon Zone
Zone 2 — Moderate Risk
2–4 pCi/L (Zone 2)
County
Box Elder County, UT
Zip Code
84331
Found in northern Utah's Box Elder County, Portage sits in an agricultural valley with alluvial soils overlying ancient lake bed sediments from prehistoric Lake Bonneville. Without local radon testing data available for zip code 84331, residents should conduct individual home testing to understand their specific risk. The region's unique geological history and scattered rural housing patterns create variable conditions for radon accumulation.
Portage, UT Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
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Radon FAQ for Portage, UT
What EPA Radon Zone is Portage in?
Portage and the 84331 zip code are in Box Elder 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 Portage?
Radon mitigation in Portage 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 Portage?
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 Utah
Cities in Utah with the most user-submitted radon test data, ranked by number of submissions.
| City | Avg User Radon Level | Submissions |
|---|---|---|
| Vernal | 8.60 pCi/L | 5 |
| Logan | 8.00 pCi/L | 5 |
| Smithfield | 12.00 pCi/L | 4 |
| Bountiful | 6.75 pCi/L | 4 |
| Cedar City | 4.50 pCi/L | 4 |
| Eagle Mountain | 10.67 pCi/L | 3 |
| Heber City | 5.00 pCi/L | 3 |
| Brigham City | 9.00 pCi/L | 1 |
| Lehi | 7.00 pCi/L | 1 |
| Saint George | No submissions | 0 |