Hermann, MO Radon Levels

Q: What EPA Radon Zone is Hermann in?

Hermann is in Gasconade County, EPA Zone 2.

Q: How much does radon mitigation cost in Hermann?

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

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

Hermann, MO Radon Facts

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

County Gasconade County, MO

Zip Code 65041

Located along the Missouri River in Gasconade County, Hermann sits atop limestone bluffs that create significant radon potential throughout the region. Testing data for zip code 65041 remains sparse, though the geological conditions strongly suggest homeowners should conduct radon measurements. This historic St. Louis Metro community features many older homes with stone foundations and basements that may facilitate radon entry.

6.50

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 6.50 pCi/L, based on 14 tests from 10 nearby cities. No readings have been submitted for Hermann 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+

Hermann, 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 Hermann, MO

No homeowner tests have been submitted for Hermann 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	14.6 mi	5.00 pCi/L	1
Union	27.7 mi	13.00 pCi/L	1
Bourbon	32.4 mi	6.00 pCi/L	1
Holts Summit	33.5 mi	4.00 pCi/L	1
Labadie	33.9 mi	4.00 pCi/L	1
Cuba	34.6 mi	5.00 pCi/L	1
Leasburg	36.0 mi	4.00 pCi/L	1
Jefferson City	37.8 mi	6.00 pCi/L	1

Gasconade County Radon Profile

Gasconade 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 Gasconade 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 Gasconade County.

Radon FAQ for Hermann, MO

What EPA Radon Zone is Hermann in?

Hermann and the 65041 zip code are in Gasconade 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 Hermann?

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

Radon mitigation in Hermann 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 Hermann?

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.