Preston, MO Radon Levels

Q: What EPA Radon Zone is Preston in?

Preston is in Hickory County, EPA Zone 2.

Q: How much does radon mitigation cost in Preston?

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

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

Preston, MO Radon Facts

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

County Hickory County, MO

Zip Code 65732

Nestled in Hickory County, this rural Missouri community sits in ZIP code 65732 where Ozark Highland geology creates variable radon conditions. While comprehensive testing data isn't yet available for Preston, the area's limestone and dolomite bedrock can contribute to elevated indoor radon levels. Homeowners should prioritize testing given Missouri's diverse geological landscape and potential for radon accumulation in typical foundation types.

6.00

pCi/L area average

Above EPA Action Level

Hickory County average: 6.00 pCi/L, based on 1 user-submitted test across 1 city in the county. No homeowner readings have been submitted for Preston 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+

Preston, 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 Preston, MO

No homeowner tests have been submitted for Preston 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
Pittsburg	11.1 mi	6.00 pCi/L	1
Climax Springs	18.2 mi	2.00 pCi/L	1
Warsaw	23.9 mi	5.00 pCi/L	1
Sunrise Beach	25.8 mi	5.00 pCi/L	2
Gravois Mills	29.1 mi	7.00 pCi/L	1
Cole Camp	35.5 mi	5.00 pCi/L	1
Stockton	37.2 mi	4.00 pCi/L	1
Marshfield	44.1 mi	7.00 pCi/L	1

Hickory County Radon Profile

EPA mapping assigns Hickory 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 Hickory County average 6.00 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 Hickory County home regardless of zone or a neighbor's results.

Radon FAQ for Preston, MO

What EPA Radon Zone is Preston in?

Preston and the 65732 zip code are in Hickory 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 Preston?

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

Radon mitigation in Preston 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 Preston?

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.