Hermann, MO Radon Mitigation and Testing

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.

Gasconade County

EPA Zone 2

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.

Hermann, MO Radon Mitigation

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

Hermann, MO Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Hermann Radon Facts

Key details about the radon risk profile for Hermann and the 65041 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Gasconade County, MO

Zip Code

65041

Predicted Screening Level

2–4 pCi/L (Zone 2)

Hermann and the 65041 zip code are located in Gasconade County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

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.

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.

Most Active Radon Markets in Missouri

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Troy	8.50 pCi/L	4
Lees Summit	7.00 pCi/L	3
Columbia	3.00 pCi/L	2
House Springs	7.00 pCi/L	1
Kansas City	7.00 pCi/L	1
Springfield	7.00 pCi/L	1
Independence	5.00 pCi/L	1
Wentzville	No submissions	0