Fenton, IL Radon Levels

Q: What EPA Radon Zone is Fenton in?

Fenton is in Whiteside County, EPA Zone 1.

Q: Why are radon readings shown from areas near Fenton?

No homeowner radon tests have been submitted for Fenton yet, so readings from the closest cities and the Whiteside County average are used as the best available indicator of local conditions. The EPA recommends testing every individual home.

Q: How much does radon mitigation cost in Fenton?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

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

Fenton, IL Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Whiteside County, IL

Zip Code 61251

Positioned in Whiteside County along the Rock River, Fenton sits on alluvial soils over limestone bedrock that can produce variable radon levels. Testing data remains limited for this small Illinois community, highlighting the need for individual home testing. The area's mix of older farmhouses and modern homes presents different foundation characteristics that may influence radon accumulation patterns.

5.33

pCi/L area average

Above EPA Action Level

Whiteside County average: 5.33 pCi/L, based on 3 user-submitted tests across 2 cities in the county. No homeowner readings have been submitted for Fenton itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Fenton, IL Radon Mitigation

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

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Radon Readings Near Fenton, IL

No homeowner tests have been submitted for Fenton yet. The closest cities with user-submitted radon data are shown below — explore them to gauge local conditions. Radon varies by home, so testing is the only way to know your level.

City	Distance	Avg User Level	Readings
Fulton	10.1 mi	4.00 pCi/L	1
Rock Falls	18.4 mi	6.00 pCi/L	2
Geneseo	19.1 mi	6.00 pCi/L	1
Annawan	23.8 mi	10.00 pCi/L	1
Walnut	26.1 mi	5.00 pCi/L	1
Lanark	27.7 mi	12.00 pCi/L	3
Moline	28.6 mi	5.00 pCi/L	1
Coal Valley	29.7 mi	12.00 pCi/L	1

Whiteside County Radon Profile

The bedrock and soils beneath Whiteside 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 2 cities in Whiteside County average 5.33 pCi/L across 3 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 Whiteside County.

Radon FAQ for Fenton, IL

What EPA Radon Zone is Fenton in?

Fenton and the 61251 zip code are in Whiteside 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.

Why are radon readings shown from areas near Fenton?

No homeowner radon tests have been submitted for Fenton yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Whiteside County average—are the best available indicator of local conditions until Fenton homeowners submit their own results. The EPA still recommends testing every individual home, since levels can vary significantly from house to house.

How much does radon mitigation cost in Fenton?

Radon mitigation in Fenton 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 Fenton?

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.