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Roscoe, IL Radon Levels

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


Roscoe, IL Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Winnebago County, IL
Zip Code 61073
Avg. User Level 5.50 pCi/L
User Tests 2

Located in Winnebago County in the northwest suburban belt beyond Chicago, Roscoe sits on glacial till deposits over limestone bedrock that create favorable conditions for radon production. Based on available testing data, the community shows an average radon level of 5.5 pCi/L, which exceeds the EPA action level of 4.0 pCi/L. With most homes featuring full basements typical of northern Illinois construction, residents in zip code 61073 should prioritize radon testing and mitigation.

5.50
pCi/L average
Above EPA Action Level

Based on 2 user-submitted radon tests for homes in Roscoe, IL. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Roscoe, IL Radon Mitigation

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Roscoe, IL Radon Levels

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

Radon LevelCityHome AgeFoundation
6 pCi/L Roscoe, IL 0-20 Years Full Basement
5 pCi/L Roscoe, IL 21-50 Years Partial Basement

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

Radon Readings Near Roscoe, IL

Compare radon levels in Roscoe with the closest nearby cities that have user-submitted test data.

CityDistanceAvg User LevelReadings
South Beloit 4.7 mi 4.00 pCi/L 1
Rockton 5.3 mi 6.00 pCi/L 1
Poplar Grove 8.8 mi 7.00 pCi/L 2
Belvidere 13.4 mi 4.50 pCi/L 2
Pecatonica 19.7 mi 11.00 pCi/L 1
Harvard 19.9 mi 8.00 pCi/L 2
Davis 21.1 mi 8.00 pCi/L 1
Stillman Valley 23.2 mi 5.00 pCi/L 1

Winnebago County Radon Profile

The bedrock and soils beneath Winnebago County are classified by the EPA as Radon Zone 1, the highest-risk tier, with predicted average indoor screening levels above 4 pCi/L. Homeowner-submitted tests from 4 cities in Winnebago County average 6.40 pCi/L across 5 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Winnebago County.

Radon FAQ for Roscoe, IL

What is the average radon level in Roscoe, IL?
Based on 2 user-submitted tests, the average radon level in Roscoe is 5.50 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 Roscoe in?
Roscoe and the 61073 zip code are in Winnebago 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 Roscoe?
Radon mitigation in Roscoe 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 Roscoe?
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.