Clarksburg, MO Radon Levels

Q: What EPA Radon Zone is Clarksburg in?

Clarksburg is in Moniteau County, EPA Zone 2.

Q: How much does radon mitigation cost in Clarksburg?

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

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

Clarksburg, MO Radon Facts

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

County Moniteau County, MO

Zip Code 65025

Positioned in central Missouri's Moniteau County within the Columbia Metro area, Clarksburg sits on limestone bedrock that can contribute to radon accumulation in homes. Testing data for the 65025 zip code remains limited, making professional radon assessment important for residents, particularly those in older homes with basement foundations typical of the region.

4.62

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 4.62 pCi/L, based on 13 tests from 10 nearby cities. No readings have been submitted for Clarksburg 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+

Clarksburg, MO Radon Mitigation

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

Need Radon Mitigation or Testing in Clarksburg?

100% Free, No-Obligation Quotes
Matches You with State-Licensed Moniteau County Pros

1-800-299-3578 816-463-2802 (local) Toll-free · Mon–Fri 8am–6pm ET

Radon Readings Near Clarksburg, MO

No homeowner tests have been submitted for Clarksburg 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
Boonville	21.8 mi	4.00 pCi/L	1
Jefferson City	26.2 mi	6.00 pCi/L	1
Gravois Mills	27.8 mi	7.00 pCi/L	1
Columbia	30.0 mi	3.00 pCi/L	2
Holts Summit	30.0 mi	4.00 pCi/L	1
Sedalia	30.4 mi	6.00 pCi/L	1
Cole Camp	30.9 mi	5.00 pCi/L	1
Sunrise Beach	34.2 mi	5.00 pCi/L	2

Moniteau County Radon Profile

The soils and bedrock of Moniteau County place it in EPA Radon Zone 2, a moderate-risk classification with predicted indoor averages of 2 to 4 pCi/L. Few homeowner tests have been logged inside Moniteau County so far, which is why this page draws on the nearest recorded readings to illustrate regional radon levels. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Moniteau County to test, as levels can differ between neighboring homes.

Radon FAQ for Clarksburg, MO

What EPA Radon Zone is Clarksburg in?

Clarksburg and the 65025 zip code are in Moniteau 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 Clarksburg?

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

Radon mitigation in Clarksburg 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 Clarksburg?

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.