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Orion, IL Radon Levels

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


Orion, IL Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Henry County, IL
Zip Code 61273
Avg. User Level 4.00 pCi/L
User Tests 1

Testing in Henry County reveals Orion's average radon level of 4.0 pCi/L sits right at the EPA action threshold, indicating the need for continued monitoring in this 61273 zip code community. Located within the Davenport Metro area, the town sits atop glacial deposits over limestone bedrock that create moderate radon potential. Homeowners should test their properties and consider mitigation if levels approach or exceed EPA guidelines.

4.00
pCi/L average
Above EPA Action Level

Based on 1 user-submitted radon test for homes in Orion, IL. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Orion, IL Radon Mitigation

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

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Orion, IL Radon Levels

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

Radon LevelCityHome AgeFoundation
4 pCi/L Orion, IL 21-50 Years Full Basement

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

Radon Readings Near Orion, IL

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

CityDistanceAvg User LevelReadings
Coal Valley 6.5 mi 12.00 pCi/L 1
Moline 10.6 mi 5.00 pCi/L 1
New Windsor 12.0 mi 6.00 pCi/L 1
Rock Island 12.8 mi 4.50 pCi/L 2
Geneseo 13.3 mi 6.00 pCi/L 1
Annawan 24.6 mi 10.00 pCi/L 1
Kewanee 25.2 mi 8.00 pCi/L 1
Knoxville 31.7 mi 8.00 pCi/L 1

Henry County Radon Profile

Henry County falls in EPA Radon Zone 1, meaning the local uranium-bearing geology is predicted to drive average indoor radon screening levels above the EPA's 4 pCi/L action threshold. Homeowner-submitted tests from 4 cities in Henry County average 7.00 pCi/L across 4 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Henry County to test, as levels can differ between neighboring homes.

Radon FAQ for Orion, IL

What is the average radon level in Orion, IL?
Based on 1 user-submitted test, the average radon level in Orion is 4.00 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 Orion in?
Orion and the 61273 zip code are in Henry 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 Orion?
Radon mitigation in Orion 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 Orion?
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.