South Bend, IN Radon Levels

Q: What is the average radon level in South Bend, IN?

Based on 1 user-submitted tests, the average radon level is 5.00 pCi/L.

Q: What EPA Radon Zone is South Bend in?

South Bend is in St Joseph County, EPA Zone 1.

Q: How much does radon mitigation cost in South Bend?

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

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

South Bend, IN Radon Facts

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

County St Joseph County, IN

Zip Code 46601

Avg. User Level 5.00 pCi/L

User Tests 1

Located in St Joseph County in northern Indiana, South Bend has recorded an average radon level of 5.0 pCi/L from limited testing across multiple zip codes including 46601, 46613, and 46614. This level exceeds the EPA action threshold, reflecting the area's glacial soils over limestone bedrock that create favorable conditions for radon accumulation. Homes throughout the South Bend Metro area should be tested and mitigated if levels exceed 4.0 pCi/L.

5.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

South Bend, IN Radon Mitigation

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

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South Bend, Indiana Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
5 pCi/L	South Bend, IN	51-99 Years	No Basement/All Slab	Jun 2020

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Radon FAQ for South Bend, IN

What is the average radon level in South Bend, IN?

Based on 1 user-submitted test, the average radon level in South Bend is 5.00 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 South Bend in?

South Bend and the 46601 zip code are in St Joseph 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 South Bend?

Radon mitigation in South Bend 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 South Bend?

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 Indiana

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

City	Avg User Radon Level	Submissions
Bloomington	8.14 pCi/L	7
Kokomo	7.40 pCi/L	5
Lafayette	15.00 pCi/L	3
Valparaiso	10.00 pCi/L	3
Westfield	6.33 pCi/L	3
Avon	6.00 pCi/L	3
West Lafayette	10.50 pCi/L	2
Dyer	9.50 pCi/L	2
Columbus	7.50 pCi/L	2
Noblesville	7.00 pCi/L	2