Germantown, TN Radon Mitigation and Testing

Q: What is the average radon level in Germantown, TN?

Based on 1 user-submitted tests, the average radon level is 5.00 pCi/L.

Q: What EPA Radon Zone is Germantown in?

Germantown is in Shelby County, EPA Zone 3.

Q: How much does radon mitigation cost in Germantown?

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

Avg: 5.00 pCi/L

Shelby County

EPA Zone 3

1 user test

This Shelby County community in the Memphis metro area shows an average radon level of 5.0 pCi/L, which exceeds the EPA's recommended action threshold. Germantown's location on Mississippi River terrace deposits and underlying sedimentary formations contributes to this elevated reading. Homeowners in zip codes 38138 and 38139 should prioritize radon testing and mitigation, particularly in homes with basements or crawl spaces.

5.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Germantown, TN Radon Mitigation

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

Germantown, TN Radon Testing

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

Germantown, Tennessee Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
5 pCi/L	Germantown, TN	21-50 Years	No Basement/All Slab	Oct 2022

Have a radon test result for Germantown? Submit your reading to help other homeowners.

Germantown Radon Facts

Key details about the radon risk profile for Germantown and the 38138 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Shelby County, TN

Zip Code

38138

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Avg. User Submitted Level

5.00 pCi/L

User Tests Submitted

Germantown and the 38138 zip code are located in Shelby County, which has an EPA assigned Radon Zone of 3. A radon zone of 3 predicts an average indoor radon screening level less than 2 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Germantown, TN

What is the average radon level in Germantown, TN?

Based on 1 user-submitted test, the average radon level in Germantown is 5.00 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 Germantown in?

Germantown and the 38138 zip code are in Shelby County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L.

How much does radon mitigation cost in Germantown?

Radon mitigation in Germantown 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 Germantown?

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 Tennessee

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

City	Avg User Radon Level	Submissions
Elizabethton	7.33 pCi/L	3
Cleveland	5.33 pCi/L	3
Johnson City	4.33 pCi/L	3
Maryville	10.50 pCi/L	2
Columbia	8.50 pCi/L	2
Bristol	6.50 pCi/L	2
Chattanooga	5.00 pCi/L	2
Clarksville	20.00 pCi/L	1
Kingsport	5.00 pCi/L	1
Knoxville	4.00 pCi/L	1
Greeneville	No submissions	0
Murfreesboro	No submissions	0