Caulfield, MO Radon Levels

Q: What EPA Radon Zone is Caulfield in?

Caulfield is in Howell County, EPA Zone 2.

Q: How much does radon mitigation cost in Caulfield?

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

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

Caulfield, MO Radon Facts

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

County Howell County, MO

Zip Code 65626

Located in the Ozark region of Howell County, Caulfield sits on dolomite and limestone bedrock formations that can contribute to elevated radon levels in some properties. The rural community's housing stock includes older farmhouses and newer country homes, many with basements or crawl spaces where radon can accumulate. Since testing data for zip code 65626 is not currently available, residents should test their homes to determine radon levels.

4.00

pCi/L area average

Above EPA Action Level

Howell County average: 4.00 pCi/L, based on 1 user-submitted test across 1 city in the county. No homeowner readings have been submitted for Caulfield 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+

Caulfield, 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 Caulfield, MO

No homeowner tests have been submitted for Caulfield 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
West Plains	13.9 mi	4.00 pCi/L	1

Howell County Radon Profile

EPA mapping assigns Howell 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 Howell County average 4.00 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 Howell County home regardless of zone or a neighbor's results.

Radon FAQ for Caulfield, MO

What EPA Radon Zone is Caulfield in?

Caulfield and the 65626 zip code are in Howell 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 Caulfield?

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

Radon mitigation in Caulfield 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 Caulfield?

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.