Powell, OH Radon Mitigation and Testing

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

Based on 3 user-submitted tests, the average radon level is 8.30 pCi/L.

Q: What EPA Radon Zone is Powell in?

Powell is in Delaware County, EPA Zone 1.

Q: How much does radon mitigation cost in Powell?

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

Avg: 8.30 pCi/L

Delaware County

EPA Zone 1

3 user tests

This affluent suburb in Delaware County within the Columbus Metro area shows concerning radon levels, with an average reading of 8.33 pCi/L that significantly exceeds EPA guidelines. The community's position on glacial till deposits over limestone bedrock contributes to these elevated readings. Residents in zip code 43065, particularly those in the area's many custom homes with finished basements, should prioritize radon testing and mitigation.

8.30

pCi/L average

Above EPA Action Level

Based on 3 user-submitted radon tests for homes in Powell, OH. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Powell, OH Radon Mitigation

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

Powell, OH Radon Testing

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

Powell, Ohio Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
13 pCi/L	Powell, OH	0-20 Years	Full Basement	Sep 2021
6 pCi/L	Powell, OH	21-50 Years	Full Basement	Aug 2019

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

Powell Radon Facts

Key details about the radon risk profile for Powell and the 43065 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Delaware County, OH

Zip Code

43065

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

8.30 pCi/L

User Tests Submitted

Powell and the 43065 zip code are located in Delaware 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 Powell, OH

What is the average radon level in Powell, OH?

Based on 3 user-submitted tests, the average radon level in Powell is 8.30 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 Powell in?

Powell and the 43065 zip code are in Delaware 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 Powell?

Radon mitigation in Powell 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 Powell?

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

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
Chagrin Falls	4.67 pCi/L	3
Hamilton	10.00 pCi/L	2
Chardon	5.50 pCi/L	2
Strongsville	4.50 pCi/L	2
Maineville	10.00 pCi/L	1
Lancaster	9.00 pCi/L	1
West Chester	9.00 pCi/L	1
Amherst	6.00 pCi/L	1
Chillicothe	6.00 pCi/L	1
Lima	5.00 pCi/L	1