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Coal Valley, IL Radon Levels

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


Coal Valley, IL Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Rock Island County, IL
Zip Code 61240
Avg. User Level 12.00 pCi/L
User Tests 1

Situated in Rock Island County within the Davenport Metro area (zip 61240), Coal Valley shows an average radon reading of 12.0 pCi/L, substantially above EPA's 4.0 pCi/L action level. This Illinois River valley community experiences variable radon conditions due to alluvial soils combined with underlying Ordovician limestone bedrock. Homeowners should implement radon mitigation systems promptly, as local geological conditions create significant radon accumulation potential.

12.00
pCi/L average
Above EPA Action Level

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

0
4.0 EPA
10+

Coal Valley, IL Radon Mitigation

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

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Coal Valley, IL Radon Levels

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

Radon LevelCityHome AgeFoundation
12 pCi/L Coal Valley, IL 21-50 Years Full Basement

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

Radon Readings Near Coal Valley, IL

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

CityDistanceAvg User LevelReadings
Moline 4.2 mi 5.00 pCi/L 1
Rock Island 6.5 mi 4.50 pCi/L 2
Orion 6.5 mi 4.00 pCi/L 1
Geneseo 15.4 mi 6.00 pCi/L 1
New Windsor 16.3 mi 6.00 pCi/L 1
Annawan 28.7 mi 10.00 pCi/L 1
Kewanee 31.0 mi 8.00 pCi/L 1
Fulton 33.1 mi 4.00 pCi/L 1

Rock Island County Radon Profile

Rock Island 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 3 cities in Rock Island County average 6.50 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 Rock Island County to test, as levels can differ between neighboring homes.

Radon FAQ for Coal Valley, IL

What is the average radon level in Coal Valley, IL?
Based on 1 user-submitted test, the average radon level in Coal Valley is 12.00 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 Coal Valley in?
Coal Valley and the 61240 zip code are in Rock Island 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 Coal Valley?
Radon mitigation in Coal Valley 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 Coal Valley?
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.