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New Windsor, IL Radon Levels

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


New Windsor, IL Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Mercer County, IL
Zip Code 61465
Avg. User Level 6.00 pCi/L
User Tests 1

Testing in New Windsor, Mercer County, reveals an average radon level of 6.0 pCi/L, which exceeds the EPA's recommended action threshold. This Davenport Metro community in the 61465 zip code sits in EPA Zone 1, reflecting the higher radon potential along the Illinois-Iowa border. The area's glacial deposits over limestone bedrock contribute to conditions that can concentrate radon in homes with traditional basement foundations.

6.00
pCi/L average
Above EPA Action Level

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

0
4.0 EPA
10+

New Windsor, IL Radon Mitigation

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

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New Windsor, IL Radon Levels

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

Radon LevelCityHome AgeFoundation
6 pCi/L New Windsor, IL 51-99 Years Full Basement

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

Radon Readings Near New Windsor, IL

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

CityDistanceAvg User LevelReadings
Orion 12.0 mi 4.00 pCi/L 1
Coal Valley 16.3 mi 12.00 pCi/L 1
Moline 20.3 mi 5.00 pCi/L 1
Rock Island 20.9 mi 4.50 pCi/L 2
Knoxville 21.8 mi 8.00 pCi/L 1
Monmouth 22.1 mi 8.00 pCi/L 1
Geneseo 23.9 mi 6.00 pCi/L 1
Kewanee 27.8 mi 8.00 pCi/L 1

Mercer County Radon Profile

Because of its underlying geology, Mercer 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 1 city in Mercer County average 6.00 pCi/L across 1 test — 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 Mercer County home regardless of zone or a neighbor's results.

Radon FAQ for New Windsor, IL

What is the average radon level in New Windsor, IL?
Based on 1 user-submitted test, the average radon level in New Windsor is 6.00 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 New Windsor in?
New Windsor and the 61465 zip code are in Mercer 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 New Windsor?
Radon mitigation in New Windsor 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 New Windsor?
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.