Lena, IL Radon Mitigation and Testing

Q: What EPA Radon Zone is Lena in?

Lena is in Stephenson County, EPA Zone 1.

Q: How much does radon mitigation cost in Lena?

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

Stephenson County

EPA Zone 1

Located in northwestern Illinois within Stephenson County, Lena sits on glacial drift deposits that contribute to the region's high radon potential as indicated by its EPA Zone 1 classification. While specific testing data for zip code 61048 remains limited, the area's geological composition of glacial till over limestone bedrock creates conditions highly favorable for radon production and migration. Residents should conduct testing promptly, particularly in older farmhouses and homes with full basements common to this agricultural region.

Lena, IL Radon Mitigation

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

Lena, IL Radon Testing

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

Lena Radon Facts

Key details about the radon risk profile for Lena and the 61048 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Stephenson County, IL

Zip Code

61048

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Lena and the 61048 zip code are located in Stephenson 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 Lena, IL

What EPA Radon Zone is Lena in?

Lena and the 61048 zip code are in Stephenson 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 Lena?

Radon mitigation in Lena 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 Lena?

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 Illinois

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

City	Avg User Radon Level	Submissions
Buffalo Grove	6.10 pCi/L	10
Crystal Lake	7.25 pCi/L	8
Lake Zurich	6.00 pCi/L	7
Grayslake	5.00 pCi/L	7
New Lenox	10.17 pCi/L	6
Park Ridge	7.00 pCi/L	6
Arlington Heights	6.17 pCi/L	6
Waterloo	9.20 pCi/L	5
Palatine	7.80 pCi/L	5
Round Lake	7.80 pCi/L	5
Northbrook	6.20 pCi/L	5
Mchenry	11.00 pCi/L	4
Dekalb	8.75 pCi/L	4
Columbia	8.00 pCi/L	4
Lisle	7.25 pCi/L	4
Normal	7.25 pCi/L	4
Antioch	7.00 pCi/L	4
Elk Grove Village	7.00 pCi/L	4
Aurora	6.75 pCi/L	4
Hoffman Estates	6.75 pCi/L	4