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Byron, IL Radon Levels

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


Byron, IL Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Ogle County, IL
Zip Code 61010
Avg. User Level 11.50 pCi/L
User Tests 2

Byron in Ogle County demonstrates significant radon concerns, with local testing revealing an average of 11.5 pCi/L that substantially exceeds EPA action levels. This northwest Illinois community sits on glacial deposits over limestone bedrock, creating ideal conditions for radon gas migration into homes' basement foundations. Residents in zip code 61010 should prioritize radon testing and mitigation, given the documented elevated readings and geological factors that favor continued radon accumulation.

11.50
pCi/L average
Above EPA Action Level

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

0
4.0 EPA
10+

Byron, IL Radon Mitigation

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

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Byron, IL Radon Levels

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

Radon LevelCityHome AgeFoundation
14 pCi/L Byron, IL 0-20 Years Full Basement
9 pCi/L Byron, IL 0-20 Years Full Basement

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

Radon Readings Near Byron, IL

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

CityDistanceAvg User LevelReadings
Stillman Valley 4.0 mi 5.00 pCi/L 1
Mount Morris 10.3 mi 4.00 pCi/L 1
Pecatonica 12.8 mi 11.00 pCi/L 1
Rochelle 17.1 mi 13.00 pCi/L 1
Ashton 18.5 mi 4.00 pCi/L 1
Freeport 22.2 mi 3.67 pCi/L 3
Dixon 22.6 mi 14.00 pCi/L 2
Davis 22.8 mi 8.00 pCi/L 1

Ogle County Radon Profile

Because of its underlying geology, Ogle 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 4 cities in Ogle County average 9.00 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 Ogle County home regardless of zone or a neighbor's results.

Radon FAQ for Byron, IL

What is the average radon level in Byron, IL?
Based on 2 user-submitted tests, the average radon level in Byron is 11.50 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 Byron in?
Byron and the 61010 zip code are in Ogle 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 Byron?
Radon mitigation in Byron 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 Byron?
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.