Springfield, OH Radon Mitigation and Testing

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

Based on 3 user-submitted tests, the average radon level is 10.30 pCi/L.

Q: What EPA Radon Zone is Springfield in?

Springfield is in Clark County, EPA Zone 1.

Q: How much does radon mitigation cost in Springfield?

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

Avg: 10.30 pCi/L

Clark County

EPA Zone 1

3 user tests

Springfield is located in Clark County, Ohio. With 3 user-submitted readings averaging 10.30 pCi/L, the area exceeds the EPA's 4.0 pCi/L action threshold, and testing is strongly recommended for homeowners in the 45502 zip code.

10.30

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Springfield, OH Radon Mitigation

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

Springfield, OH Radon Testing

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

Springfield, Ohio Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
8 pCi/L	Springfield, OH	51-99 Years	Full Basement	Aug 2024
15 pCi/L	Springfield, OH	51-99 Years	No Basement/All Slab	Mar 2023
8 pCi/L	Springfield, OH	0-20 Years	Full Basement	May 2018

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

Springfield Radon Facts

Key details about the radon risk profile for Springfield and the 45502 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Clark County, OH

Zip Code

45502

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

10.30 pCi/L

User Tests Submitted

Springfield and the 45502 zip code are located in Clark 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 Springfield, OH

What is the average radon level in Springfield, OH?

Based on 3 user-submitted tests, the average radon level in Springfield is 10.30 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 Springfield in?

Springfield and the 45502 zip code are in Clark 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 Springfield?

Radon mitigation in Springfield 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 Springfield?

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