Farmington, KY Radon Mitigation and Testing

Q: What EPA Radon Zone is Farmington in?

Farmington is in Graves County, EPA Zone 3.

Q: How much does radon mitigation cost in Farmington?

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

Graves County

EPA Zone 3

Located in western Kentucky's Graves County, Farmington sits in EPA Zone 3 where radon levels are typically lower but can still vary based on local geological conditions. The rural community's housing characteristics and regional soil formations influence indoor radon patterns throughout the area. Given the absence of comprehensive testing data for zip code 42040, residents should consider professional radon testing to establish individual property baselines.

Farmington, KY Radon Mitigation

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

Farmington, KY Radon Testing

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

Farmington Radon Facts

Key details about the radon risk profile for Farmington and the 42040 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Graves County, KY

Zip Code

42040

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Farmington and the 42040 zip code are located in Graves County, which has an EPA assigned Radon Zone of 3. A radon zone of 3 predicts an average indoor radon screening level less than 2 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Farmington, KY

What EPA Radon Zone is Farmington in?

Farmington and the 42040 zip code are in Graves County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L.

How much does radon mitigation cost in Farmington?

Radon mitigation in Farmington 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 Farmington?

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 Kentucky

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

City	Avg User Radon Level	Submissions
Bowling Green	15.80 pCi/L	5
Lexington	8.40 pCi/L	5
Frankfort	7.80 pCi/L	5
Florence	5.40 pCi/L	5
Owensboro	5.33 pCi/L	3
Union	4.67 pCi/L	3
Brandenburg	11.50 pCi/L	2
Harrodsburg	9.00 pCi/L	2
Louisville	5.50 pCi/L	2
Campbellsville	11.00 pCi/L	1