Kent, IL Radon Levels

Q: What EPA Radon Zone is Kent in?

Kent is in Stephenson County, EPA Zone 1.

Q: Why are radon readings shown from areas near Kent?

No homeowner radon tests have been submitted for Kent yet, so readings from the closest cities and the Stephenson County average are used as the best available indicator of local conditions. The EPA recommends testing every individual home.

Q: How much does radon mitigation cost in Kent?

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

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

Kent, IL Radon Facts

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

County Stephenson County, IL

Zip Code 61044

Positioned in Stephenson County in northwestern Illinois, Kent sits on glacial terrain that characterizes much of the region's agricultural landscape. While testing data for zip code 61044 is currently sparse, the area's glacial till soils over limestone bedrock can create pathways for radon gas migration into homes. Rural homeowners should prioritize testing, particularly those with older farmhouses or properties with basements where radon accumulation is most likely to occur.

6.60

pCi/L area average

Above EPA Action Level

Stephenson County average: 6.60 pCi/L, based on 5 user-submitted tests across 3 cities in the county. No homeowner readings have been submitted for Kent itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Kent, IL Radon Mitigation

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

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Radon Readings Near Kent, IL

No homeowner tests have been submitted for Kent yet. The closest cities with user-submitted radon data are shown below — explore them to gauge local conditions. Radon varies by home, so testing is the only way to know your level.

City	Distance	Avg User Level	Readings
Freeport	14.6 mi	3.67 pCi/L	3
Lanark	16.1 mi	12.00 pCi/L	3
Orangeville	17.7 mi	14.00 pCi/L	1
Hanover	19.3 mi	5.00 pCi/L	1
Galena	26.5 mi	1.00 pCi/L	1
Davis	27.6 mi	8.00 pCi/L	1
Pecatonica	29.3 mi	11.00 pCi/L	1
Mount Morris	31.0 mi	4.00 pCi/L	1

Stephenson County Radon Profile

Because of its underlying geology, Stephenson County is mapped as EPA Radon Zone 1 — the most elevated classification — where predicted indoor screening averages exceed 4 pCi/L. Homeowner-submitted tests from 3 cities in Stephenson County average 6.60 pCi/L across 5 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Stephenson County home regardless of zone or a neighbor's results.

Radon FAQ for Kent, IL

What EPA Radon Zone is Kent in?

Kent and the 61044 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.

Why are radon readings shown from areas near Kent?

No homeowner radon tests have been submitted for Kent yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Stephenson County average—are the best available indicator of local conditions until Kent homeowners submit their own results. The EPA still recommends testing every individual home, since levels can vary significantly from house to house.

How much does radon mitigation cost in Kent?

Radon mitigation in Kent 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 Kent?

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.