Fairfield is located in Jefferson County, Iowa.
With 2 user-submitted readings averaging 14.00 pCi/L,
the area exceeds the EPA's 4.0 pCi/L action threshold, and testing is strongly recommended for homeowners in the 52556 zip code.
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.
0
4.0 EPA
10+
Fairfield, IA Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Fairfield, IA Radon Testing
Finding qualified radon testing professionals is the first step toward protecting your home.
Fairfield, Iowa Radon Levels
User-submitted radon test readings from homes in the Fairfield area.
Radon Level
City
Home Age
Foundation
Submitted
20 pCi/L
Fairfield, IA
100+ Years
Partial Basement
Nov 2022
8 pCi/L
Fairfield, IA
51-99 Years
Full Basement
Sep 2022
Have a radon test result for Fairfield? Submit your reading to help other homeowners.
Fairfield Radon Facts
Key details about the radon risk profile for Fairfield and the 52556 zip code area.
EPA Radon Zone
Zone 1 — High Risk
County
Jefferson County, IA
Zip Code
52556
Predicted Screening Level
> 4.0 pCi/L (Zone 1)
Avg. User Submitted Level
14.00 pCi/L
User Tests Submitted
2
Fairfield and the 52556 zip code are located in Jefferson County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.
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 with the most user-submitted radon test data in the state.
