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Logan, UT Radon Levels

Check local Logan radon levels and find certified testing and mitigation professionals to keep your home safe


Logan, UT Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)
County Cache County, UT
Zip Code 84321
Avg. User Level 8.00 pCi/L
User Tests 6

Cache Valley's largest city shows concerning radon patterns, with Cache County homes averaging 8.0 pCi/L across multiple zip codes (84321, 84341). Based on five local tests ranging from 5.0 to 11.0 pCi/L, most readings exceed the EPA action level significantly. The valley's geological structure, with alluvial deposits over fractured bedrock, creates ideal conditions for radon accumulation in this EPA Zone 2 region.

8.00
pCi/L average
Above EPA Action Level

Based on 6 user-submitted radon tests for homes in Logan, UT. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Logan, UT Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

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Logan, UT Radon Levels

User-submitted radon test readings from homes in the Logan area.

Radon LevelCityHome AgeFoundation
5 pCi/L Logan, UT
8 pCi/L Logan, UT 0-20 Years Full Basement
11 pCi/L Logan, UT 0-20 Years Full Basement
11 pCi/L Logan, UT 21-50 Years Full Basement

Have a radon test result for Logan? Submit your reading to help other homeowners.

Radon FAQ for Logan, UT

What is the average radon level in Logan, UT?
Based on 6 user-submitted tests, the average radon level in Logan is 8.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.
What EPA Radon Zone is Logan in?
Logan and the 84321 zip code are in Cache 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 Logan?
Radon mitigation in Logan 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 Logan?
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.

CityAvg User Radon LevelSubmissions
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