Granville, OH Radon Levels

Q: What is the average radon level in Granville, OH?

Based on 2 user-submitted tests, the average radon level is 15.00 pCi/L.

Q: What EPA Radon Zone is Granville in?

Granville is in Licking County, EPA Zone 1.

Q: How much does radon mitigation cost in Granville?

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

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

Granville, OH Radon Facts

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

County Licking County, OH

Zip Code 43023

Avg. User Level 15.00 pCi/L

User Tests 2

Situated in Licking County within the Columbus Metro area, Granville sits on Ohio's glacial till over Devonian shale formations that consistently produce high radon levels throughout central Ohio. Recent testing data shows an average radon level of 15.0 pCi/L, which significantly exceeds the EPA action level of 4.0 pCi/L. These elevated readings in zip code 43023 demonstrate the critical need for radon testing and mitigation in all Granville homes, particularly given the area's geological conditions.

15.00

pCi/L average

Above EPA Action Level

Based on 2 user-submitted radon tests for homes in Granville, OH. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Granville, OH Radon Mitigation

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Granville, OH Radon Levels

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

Radon Level	City	Home Age	Foundation
17 pCi/L	Granville, OH	21-50 Years	Full Basement
13 pCi/L	Granville, OH	51-99 Years	No Basement/All Crawl Space

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Radon FAQ for Granville, OH

What is the average radon level in Granville, OH?

Based on 2 user-submitted tests, the average radon level in Granville is 15.00 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 Granville in?

Granville and the 43023 zip code are in Licking 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 Granville?

Radon mitigation in Granville 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 Granville?

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 Ohio

Cities in Ohio with the most user-submitted radon test data, ranked by number of submissions.

City	Avg User Radon Level	Submissions
Marietta	8.00 pCi/L	5
Cincinnati	5.20 pCi/L	5
Hilliard	11.75 pCi/L	4
Wilmington	5.25 pCi/L	4
Newark	15.00 pCi/L	3
Athens	11.33 pCi/L	3
Findlay	10.33 pCi/L	3
Perrysburg	9.67 pCi/L	3
Powell	8.33 pCi/L	3
Columbus	6.00 pCi/L	3

Granville, OH Radon Levels

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

Granville, OH Radon Facts

Granville, OH Radon Mitigation

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Granville, OH Radon Levels

Radon FAQ for Granville, OH

Most Active Radon Markets in Ohio

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