New Florence, MO Radon Levels

Q: What EPA Radon Zone is New Florence in?

New Florence is in Montgomery County, EPA Zone 2.

Q: How much does radon mitigation cost in New Florence?

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

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

New Florence, MO Radon Facts

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

County Montgomery County, MO

Zip Code 63363

Located in Montgomery County within the St. Louis metropolitan area, New Florence sits where Missouri River valley alluvium overlays Pennsylvanian limestone and shale formations. The small community's housing stock reflects both its historic railroad heritage and modern rural development, with varying foundation types throughout zip code 63363. Though current testing data is limited, the underlying limestone geology suggests moderate radon potential requiring homeowner awareness.

6.37

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 6.37 pCi/L, based on 19 tests from 10 nearby cities. No readings have been submitted for New Florence 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+

New Florence, 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 New Florence, MO

No homeowner tests have been submitted for New Florence 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
New Haven	26.7 mi	5.00 pCi/L	1
Mexico	28.3 mi	4.00 pCi/L	1
Troy	29.2 mi	8.50 pCi/L	4
Holts Summit	38.5 mi	4.00 pCi/L	1
Lake Saint Louis	38.7 mi	5.00 pCi/L	2
Union	40.5 mi	13.00 pCi/L	1
O Fallon	41.4 mi	7.75 pCi/L	4
Hallsville	41.8 mi	5.00 pCi/L	2

Montgomery County Radon Profile

Montgomery 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. User-submitted readings are still sparse within Montgomery County itself, so the nearby measurements shown on this page provide the closest real-world picture of local radon conditions. 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 Montgomery County.

Radon FAQ for New Florence, MO

What EPA Radon Zone is New Florence in?

New Florence and the 63363 zip code are in Montgomery 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 New Florence?

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

Radon mitigation in New Florence 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 New Florence?

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.