Fairfield, IA Radon Levels

Q: What is the average radon level in Fairfield, IA?

Based on 2 user-submitted tests, the average radon level is 14.00 pCi/L.

Q: What EPA Radon Zone is Fairfield in?

Fairfield is in Jefferson County, EPA Zone 1.

Q: How much does radon mitigation cost in Fairfield?

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

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

Fairfield, IA Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Jefferson County, IA

Zip Code 52556

Avg. User Level 14.00 pCi/L

User Tests 2

Testing in Jefferson County shows radon levels averaging 14.0 pCi/L, significantly exceeding the EPA action level and reflecting Iowa's high radon potential. This southeastern Iowa community in zip code 52556 sits over limestone bedrock with glacial deposits that readily produce radon gas. Residents should prioritize immediate testing and professional mitigation given these elevated readings.

14.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Fairfield, IA Radon Mitigation

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Fairfield, IA Radon Levels

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

Radon Level	City	Home Age	Foundation
20 pCi/L	Fairfield, IA	100+ Years	Partial Basement
8 pCi/L	Fairfield, IA	51-99 Years	Full Basement

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

Radon FAQ for Fairfield, IA

What is the average radon level in Fairfield, IA?

Based on 2 user-submitted tests, the average radon level in Fairfield is 14.00 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 Fairfield in?

Fairfield and the 52556 zip code are in Jefferson County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

How much does radon mitigation cost in Fairfield?

Radon mitigation in Fairfield 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 Fairfield?

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 Iowa

Cities in Iowa with the most user-submitted radon test data, ranked by number of submissions.

City	Avg User Radon Level	Submissions
Waterloo	8.50 pCi/L	4
Ames	9.67 pCi/L	3
Fairfield	14.00 pCi/L	2
Mount Pleasant	12.00 pCi/L	2
Ottumwa	5.50 pCi/L	2
Iowa City	7.00 pCi/L	1
Muscatine	No submissions	0

Fairfield, IA Radon Levels

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

Fairfield, IA Radon Facts

Fairfield, IA Radon Mitigation

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Fairfield, IA Radon Levels

Radon FAQ for Fairfield, IA

Most Active Radon Markets in Iowa

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