Clarksville, IN Radon Levels

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

Based on 1 user-submitted tests, the average radon level is 4.00 pCi/L.

Q: What EPA Radon Zone is Clarksville in?

Clarksville is in Clark County, EPA Zone 1.

Q: How much does radon mitigation cost in Clarksville?

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

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

Clarksville, IN Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Clark County, IN

Zip Code 47129

Avg. User Level 4.00 pCi/L

User Tests 1

Situated in Clark County within the Louisville Metro area, Clarksville shows an average radon level of 4.0 pCi/L based on available testing data. This reading sits right at the EPA action threshold, indicating that some homes may exceed recommended levels while others remain below. Given Indiana's variable limestone and shale geology, residents should test their homes regardless of this average, particularly those with basements or lower-level living spaces.

4.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Clarksville, IN Radon Mitigation

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

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Clarksville, Indiana Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
4 pCi/L	Clarksville, IN	51-99 Years	Full Basement	May 2019

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Radon FAQ for Clarksville, IN

What is the average radon level in Clarksville, IN?

Based on 1 user-submitted test, the average radon level in Clarksville is 4.00 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 Clarksville in?

Clarksville and the 47129 zip code are in Clark County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

How much does radon mitigation cost in Clarksville?

Radon mitigation in Clarksville 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 Clarksville?

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