Wellsville, UT Radon Mitigation and Testing

Q: What is the average radon level in Wellsville, UT?

Based on 2 user-submitted tests, the average radon level is 17.00 pCi/L.

Q: What EPA Radon Zone is Wellsville in?

Wellsville is in Cache County, EPA Zone 2.

Q: How much does radon mitigation cost in Wellsville?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

Avg: 17.00 pCi/L

Cache County

EPA Zone 2

2 user tests

Located in Cache County within Utah's Cache Valley, Wellsville shows concerning radon readings with an average level of 17.0 pCi/L, significantly exceeding the EPA's 4.0 pCi/L action threshold. The area's alluvial valley deposits overlying limestone bedrock create favorable conditions for radon accumulation in homes. Given these elevated readings in zip code 84339, all residents should prioritize radon testing and mitigation.

17.00

pCi/L average

Above EPA Action Level

Based on 2 user-submitted radon tests for homes in Wellsville, UT. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Wellsville, UT Radon Mitigation

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

Wellsville, UT Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Wellsville, Utah Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
14 pCi/L	Wellsville, UT	21-50 Years	Full Basement	Feb 2024
20 pCi/L	Wellsville, UT	0-20 Years	Full Basement	Dec 2022

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

Wellsville Radon Facts

Key details about the radon risk profile for Wellsville and the 84339 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Cache County, UT

Zip Code

84339

Predicted Screening Level

2–4 pCi/L (Zone 2)

Avg. User Submitted Level

17.00 pCi/L

User Tests Submitted

Wellsville and the 84339 zip code are located in Cache County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Wellsville, UT

What is the average radon level in Wellsville, UT?

Based on 2 user-submitted tests, the average radon level in Wellsville is 17.00 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 Wellsville in?

Wellsville and the 84339 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 Wellsville?

Radon mitigation in Wellsville 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 Wellsville?

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 with the most user-submitted radon test data in the state.

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
Sandy	No submissions	0