Richwood, OH Radon Mitigation and Testing

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

Based on 1 user-submitted tests, the average radon level is 20.00 pCi/L.

Q: What EPA Radon Zone is Richwood in?

Richwood is in Union County, EPA Zone 1.

Q: How much does radon mitigation cost in Richwood?

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

Avg: 20.00 pCi/L

Union County

EPA Zone 1

1 user test

Situated in Union County within the Columbus Metro area, Richwood has recorded an exceptionally high average radon level of 20.0 pCi/L, which significantly exceeds the EPA action threshold. The area's glacial till deposits over limestone bedrock create ideal conditions for radon production and migration in zip code 43344. Immediate testing and professional mitigation are strongly recommended for all properties in this community.

20.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Richwood, OH Radon Mitigation

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

Richwood, OH Radon Testing

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

Richwood, Ohio Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
20 pCi/L	Richwood, OH	0-20 Years	Partial Basement	Mar 2019

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

Richwood Radon Facts

Key details about the radon risk profile for Richwood and the 43344 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Union County, OH

Zip Code

43344

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

20.00 pCi/L

User Tests Submitted

Richwood and the 43344 zip code are located in Union 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 Richwood, OH

What is the average radon level in Richwood, OH?

Based on 1 user-submitted test, the average radon level in Richwood is 20.00 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 Richwood in?

Richwood and the 43344 zip code are in Union 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 Richwood?

Radon mitigation in Richwood 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 Richwood?

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