Mount Vernon, IN Radon Levels

Q: What is the average radon level in Mount Vernon, IN?

Based on 1 user-submitted tests, the average radon level is 9.00 pCi/L.

Q: What EPA Radon Zone is Mount Vernon in?

Mount Vernon is in Posey County, EPA Zone 2.

Q: How much does radon mitigation cost in Mount Vernon?

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

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

Mount Vernon, IN Radon Facts

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

County Posey County, IN

Zip Code 47620

Avg. User Level 9.00 pCi/L

User Tests 1

Situated in Posey County along the Ohio River, Mount Vernon shows concerning radon levels with an average reading of 9.0 pCi/L â€” well above the EPA's 4.0 pCi/L action threshold. The area's alluvial soils and underlying limestone formations contribute to elevated radon potential throughout the Evansville Metro region. Homeowners in zip code 47620 should prioritize radon testing and mitigation, as these levels pose significant long-term health risks.

9.00

pCi/L average

Above EPA Action Level

Based on 1 user-submitted radon test for homes in Mount Vernon, IN. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Mount Vernon, IN Radon Mitigation

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

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Mount Vernon, Indiana Radon Levels

User-submitted radon test readings from homes in the Mount Vernon area.

Radon Level	City	Home Age	Foundation	Submitted
9 pCi/L	Mount Vernon, IN	0-20 Years	No Basement/All Crawl Space	Nov 2022

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Radon FAQ for Mount Vernon, IN

What is the average radon level in Mount Vernon, IN?

Based on 1 user-submitted test, the average radon level in Mount Vernon is 9.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.

What EPA Radon Zone is Mount Vernon in?

Mount Vernon and the 47620 zip code are in Posey 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 Mount Vernon?

Radon mitigation in Mount Vernon 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 Mount Vernon?

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 Indiana

Cities in Indiana with the most user-submitted radon test data, ranked by number of submissions.

City	Avg User Radon Level	Submissions
Bloomington	8.14 pCi/L	7
Kokomo	7.40 pCi/L	5
Lafayette	15.00 pCi/L	3
Valparaiso	10.00 pCi/L	3
Westfield	6.33 pCi/L	3
Avon	6.00 pCi/L	3
West Lafayette	10.50 pCi/L	2
Dyer	9.50 pCi/L	2
Columbus	7.50 pCi/L	2
Noblesville	7.00 pCi/L	2