Decatur, GA Radon Mitigation and Testing

Q: What is the average radon level in Decatur, GA?

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

Q: What EPA Radon Zone is Decatur in?

Decatur is in Dekalb County, EPA Zone 1.

Q: How much does radon mitigation cost in Decatur?

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

Avg: 9.00 pCi/L

Dekalb County

EPA Zone 1

1 user test

This Atlanta Metro suburb in DeKalb County has recorded an average radon level of 9.0 pCi/L, significantly exceeding the EPA's 4.0 pCi/L action threshold. The area's Piedmont geology featuring granite bedrock and clay soils contributes to elevated radon potential across zip codes 30030-30035 and 30073. Immediate testing and mitigation are strongly recommended for all residents, particularly those in older homes with basement foundations typical of this established suburban community.

9.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Decatur, GA Radon Mitigation

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

Decatur, GA Radon Testing

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

Decatur, Georgia Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
9 pCi/L	Decatur, GA	51-99 Years	Partial Basement	Apr 2022

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

Decatur Radon Facts

Key details about the radon risk profile for Decatur and the 30030 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Dekalb County, GA

Zip Code

30030

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

9.00 pCi/L

User Tests Submitted

Decatur and the 30030 zip code are located in Dekalb 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 Decatur, GA

What is the average radon level in Decatur, GA?

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

Decatur and the 30030 zip code are in Dekalb 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 Decatur?

Radon mitigation in Decatur 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 Decatur?

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 Georgia

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

City	Avg User Radon Level	Submissions
Atlanta	8.80 pCi/L	5
Cartersville	9.50 pCi/L	4
Snellville	8.75 pCi/L	4
Loganville	7.75 pCi/L	4
Gainesville	4.75 pCi/L	4
Cumming	4.50 pCi/L	4
Blairsville	10.00 pCi/L	3
Lawrenceville	4.67 pCi/L	3
Buford	15.50 pCi/L	2
Winder	14.50 pCi/L	2
Blue Ridge	12.00 pCi/L	2
Stone Mountain	6.00 pCi/L	2
Flowery Branch	5.50 pCi/L	2
Ellijay	4.00 pCi/L	2
Woodstock	2.00 pCi/L	2
Alpharetta	6.00 pCi/L	1
Powder Springs	6.00 pCi/L	1
Dawsonville	4.00 pCi/L	1
Acworth	No submissions	0
Kennesaw	No submissions	0