Bluff City, TN Radon Mitigation and Testing

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

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

Q: What EPA Radon Zone is Bluff City in?

Bluff City is in Sullivan County, EPA Zone 1.

Q: How much does radon mitigation cost in Bluff City?

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

Sullivan County

EPA Zone 1

1 user test

Bluff City in Sullivan County, part of the Kingsport Metro area, shows radon levels averaging 5.0 pCi/L — moderately above the EPA action threshold. Tennessee's Appalachian geology, featuring limestone and dolomite bedrock, creates favorable conditions for radon accumulation in this 37618 area. Residents should consider radon mitigation to reduce indoor concentrations, particularly in homes with basements common throughout this mountainous region.

5.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Bluff City, TN Radon Mitigation

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

Bluff City, TN Radon Testing

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

Bluff City, Tennessee Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
5 pCi/L	Bluff City, TN	0-20 Years	No Basement/All Crawl Space	Jan 2024

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

Bluff City Radon Facts

Key details about the radon risk profile for Bluff City and the 37618 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Sullivan County, TN

Zip Code

37618

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

5.00 pCi/L

User Tests Submitted

Bluff City and the 37618 zip code are located in Sullivan County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Bluff City, TN

What is the average radon level in Bluff City, TN?

Based on 1 user-submitted test, the average radon level in Bluff City 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 Bluff City in?

Bluff City and the 37618 zip code are in Sullivan 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 Bluff City?

Radon mitigation in Bluff City 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 Bluff City?

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