Portage, IN Radon Mitigation and Testing

Q: What EPA Radon Zone is Portage in?

Portage is in Porter County, EPA Zone 2.

Q: How much does radon mitigation cost in Portage?

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

Porter County

EPA Zone 2

Located in Porter County within the Chicago Metro area, Portage sits on glacial lake deposits and dune formations near Lake Michigan's southern shore. Available radon testing data for zip code 46368 is limited, making home testing advisable for residents. The area's sandy soils and lake-effect geological conditions may help naturally ventilate radon, though individual homes with basements can still experience elevated levels.

Portage, IN Radon Mitigation

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

Portage, IN Radon Testing

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

Portage Radon Facts

Key details about the radon risk profile for Portage and the 46368 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Porter County, IN

Zip Code

46368

Predicted Screening Level

2–4 pCi/L (Zone 2)

Portage and the 46368 zip code are located in Porter County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Portage, IN

What EPA Radon Zone is Portage in?

Portage and the 46368 zip code are in Porter County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

How much does radon mitigation cost in Portage?

Radon mitigation in Portage 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 Portage?

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

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
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
Westfield	7.00 pCi/L	2
Fishers	6.50 pCi/L	2
Corydon	6.00 pCi/L	2
Warsaw	5.50 pCi/L	2
Indianapolis	4.00 pCi/L	2
Newburgh	8.00 pCi/L	1
Logansport	7.00 pCi/L	1
Terre Haute	5.00 pCi/L	1
Muncie	4.00 pCi/L	1
Brownsburg	No submissions	0