Pevely, MO Radon Levels

Q: What EPA Radon Zone is Pevely in?

Pevely is in Jefferson County, EPA Zone 2.

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

No homeowner radon tests have been submitted for Pevely yet, so readings from the closest cities and the Jefferson 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 Pevely?

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

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

Pevely, MO Radon Facts

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

County Jefferson County, MO

Zip Code 63070

Situated along the Mississippi River in Jefferson County, Pevely is part of the St. Louis Metro area where limestone bedrock and river valley deposits create variable radon conditions. The community's housing ranges from historic riverfront properties to modern suburban developments, many with full or partial basements. Given the limited testing data currently available for zip code 63070, residents should conduct radon testing to understand their individual exposure levels.

8.86

pCi/L area average

Above EPA Action Level

Jefferson County average: 8.86 pCi/L, based on 7 user-submitted tests across 5 cities in the county. No homeowner readings have been submitted for Pevely 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+

Pevely, MO 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 Pevely, MO

No homeowner tests have been submitted for Pevely 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
Festus	6.4 mi	5.00 pCi/L	2
Imperial	8.9 mi	13.00 pCi/L	1
Arnold	10.5 mi	10.50 pCi/L	2
House Springs	12.2 mi	7.00 pCi/L	1
De Soto	13.5 mi	11.00 pCi/L	1
Fenton	15.6 mi	16.00 pCi/L	2
Ballwin	22.8 mi	4.00 pCi/L	1
Bonne Terre	25.9 mi	4.50 pCi/L	2

Jefferson County Radon Profile

Jefferson County is mapped as EPA Radon Zone 2, where the local geology is predicted to produce moderate indoor screening levels between 2 and 4 pCi/L. Homeowner-submitted tests from 5 cities in Jefferson County average 8.86 pCi/L across 7 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Jefferson County.

Radon FAQ for Pevely, MO

What EPA Radon Zone is Pevely in?

Pevely and the 63070 zip code are in Jefferson 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 Pevely?

No homeowner radon tests have been submitted for Pevely yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Jefferson County average—are the best available indicator of local conditions until Pevely 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 Pevely?

Radon mitigation in Pevely 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 Pevely?

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.