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Grayson, GA Radon Levels

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


Grayson, GA Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Gwinnett County, GA
Zip Code 30017
Avg. User Level 18.00 pCi/L
User Tests 1

Part of Gwinnett County in the Atlanta metropolitan area, Grayson recorded a notably high radon reading of 18.0 pCi/L, well above the EPA action level of 4.0 pCi/L. This elevated level reflects Georgia's Piedmont geology, where granite bedrock and residual soils can produce significant radon accumulation in residential properties. Homeowners in zip code 30017 should prioritize radon testing and mitigation, as the area's geological conditions demonstrate potential for concerning radon levels.

18.00
pCi/L average
Above EPA Action Level

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

0
4.0 EPA
10+

Grayson, GA Radon Mitigation

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

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Grayson, GA Radon Levels

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

Radon LevelCityHome AgeFoundation
18 pCi/L Grayson, GA 0-20 Years Full Basement

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

Radon Readings Near Grayson, GA

Compare radon levels in Grayson with the closest nearby cities that have user-submitted test data.

CityDistanceAvg User LevelReadings
Loganville 3.9 mi 7.75 pCi/L 4
Snellville 4.5 mi 8.75 pCi/L 4
Lawrenceville 5.4 mi 4.67 pCi/L 3
Lilburn 6.5 mi 7.50 pCi/L 2
Dacula 8.3 mi 8.00 pCi/L 1
Suwanee 11.1 mi 6.00 pCi/L 1
Auburn 11.9 mi 8.00 pCi/L 1
Duluth 13.3 mi 5.00 pCi/L 1

Gwinnett County Radon Profile

The bedrock and soils beneath Gwinnett County are classified by the EPA as Radon Zone 1, the highest-risk tier, with predicted average indoor screening levels above 4 pCi/L. Homeowner-submitted tests from 8 cities in Gwinnett County average 8.80 pCi/L across 15 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Gwinnett County.

Radon FAQ for Grayson, GA

What is the average radon level in Grayson, GA?
Based on 1 user-submitted test, the average radon level in Grayson is 18.00 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 Grayson in?
Grayson and the 30017 zip code are in Gwinnett 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 Grayson?
Radon mitigation in Grayson 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 Grayson?
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.