Clifton Hill, MO Radon Levels

Q: What EPA Radon Zone is Clifton Hill in?

Clifton Hill is in Randolph County, EPA Zone 2.

Q: How much does radon mitigation cost in Clifton Hill?

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

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

Clifton Hill, MO Radon Facts

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

County Randolph County, MO

Zip Code 65244

A small community in Randolph County in north-central Missouri, Clifton Hill sits in agricultural territory where glacial deposits over limestone bedrock create moderate radon potential throughout the region. The area's rural character includes older farmsteads with traditional foundations alongside manufactured housing and newer rural residential construction. Testing data for zip code 65244 remains limited, making individual home testing the best approach for determining radon exposure levels.

6.00

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 6.00 pCi/L, based on 8 tests from 6 nearby cities. No readings have been submitted for Clifton Hill yet, so the closest recorded data is shown as a benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Clifton Hill, 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 Clifton Hill, MO

No homeowner tests have been submitted for Clifton Hill 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
Hallsville	32.5 mi	5.00 pCi/L	2
Boonville	32.9 mi	4.00 pCi/L	1
Columbia	39.6 mi	3.00 pCi/L	2
Meadville	41.6 mi	18.00 pCi/L	1
Carrollton	44.2 mi	6.00 pCi/L	1
Mexico	45.2 mi	4.00 pCi/L	1

Randolph County Radon Profile

EPA mapping assigns Randolph County to Radon Zone 2, indicating moderate predicted indoor screening levels in the 2 to 4 pCi/L range based on regional geology. Direct test data for Randolph County remains limited, so the closest neighboring readings are used here to represent the radon conditions homeowners are likely to encounter. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Randolph County home regardless of zone or a neighbor's results.

Radon FAQ for Clifton Hill, MO

What EPA Radon Zone is Clifton Hill in?

Clifton Hill and the 65244 zip code are in Randolph 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 Clifton Hill?

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

Radon mitigation in Clifton Hill 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 Clifton Hill?

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.