Dayton, KY Radon Levels

Q: What EPA Radon Zone is Dayton in?

Dayton is in Campbell County, EPA Zone 2.

Q: Why are radon readings shown from areas near Dayton?

No homeowner radon tests have been submitted for Dayton yet, so readings from the closest cities and the Campbell County average are used as the best available indicator of local conditions. The EPA recommends testing every individual home.

Q: How much does radon mitigation cost in Dayton?

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

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

Dayton, KY Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Campbell County, KY

Zip Code 41074

Located in Campbell County along the Cincinnati metropolitan corridor, Dayton sits on Ohio River valley sediments that can influence radon levels. While specific radon testing data for zip code 41074 remains limited, homeowners should prioritize testing given Kentucky's geological conditions. The area's mix of older riverside homes and newer developments creates varying foundation types that can affect radon accumulation patterns.

5.00

pCi/L area average

Above EPA Action Level

Campbell County average: 5.00 pCi/L, based on 1 user-submitted test across 1 city in the county. No homeowner readings have been submitted for Dayton itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Dayton, KY Radon Mitigation

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

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Radon Readings Near Dayton, KY

No homeowner tests have been submitted for Dayton yet. The closest cities with user-submitted radon data are shown below — explore them to gauge local conditions. Radon varies by home, so testing is the only way to know your level.

City	Distance	Avg User Level	Readings
Florence	12.2 mi	5.40 pCi/L	5
Alexandria	12.5 mi	5.00 pCi/L	1
Hebron	12.6 mi	4.50 pCi/L	2
Independence	12.8 mi	4.00 pCi/L	1
Burlington	17.5 mi	6.50 pCi/L	2
Union	18.0 mi	4.67 pCi/L	3
Carrollton	48.5 mi	7.00 pCi/L	1

Campbell County Radon Profile

EPA mapping assigns Campbell County to Radon Zone 2, indicating moderate predicted indoor screening levels in the 2 to 4 pCi/L range based on regional geology. Homeowner-submitted tests from 1 city in Campbell County average 5.00 pCi/L across 1 test — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Campbell County home regardless of zone or a neighbor's results.

Radon FAQ for Dayton, KY

What EPA Radon Zone is Dayton in?

Dayton and the 41074 zip code are in Campbell 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.

Why are radon readings shown from areas near Dayton?

No homeowner radon tests have been submitted for Dayton yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Campbell County average—are the best available indicator of local conditions until Dayton homeowners submit their own results. The EPA still recommends testing every individual home, since levels can vary significantly from house to house.

How much does radon mitigation cost in Dayton?

Radon mitigation in Dayton 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 Dayton?

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.