Flanagan, IL Radon Levels

Q: What EPA Radon Zone is Flanagan in?

Flanagan is in Livingston County, EPA Zone 1.

Q: How much does radon mitigation cost in Flanagan?

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

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

Flanagan, IL Radon Facts

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

County Livingston County, IL

Zip Code 61740

Situated in Livingston County in central Illinois, Flanagan lies over deep glacial moraine deposits and underlying Pennsylvanian limestone that contribute to moderate-to-high radon potential. Testing data for zip code 61740 remains limited, making individual home testing particularly important for residents. The geological conditions typical of central Illinois prairie communities create favorable conditions for radon gas production and migration into homes.

10.40

pCi/L area average

Above EPA Action Level

Livingston County average: 10.40 pCi/L, based on 5 user-submitted tests across 4 cities in the county. No homeowner readings have been submitted for Flanagan 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+

Flanagan, 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 Flanagan, IL

No homeowner tests have been submitted for Flanagan 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
Ancona	11.3 mi	20.00 pCi/L	1
Pontiac	12.0 mi	10.50 pCi/L	2
Streator	16.9 mi	7.00 pCi/L	1
Fairbury	20.3 mi	4.00 pCi/L	1
Varna	22.8 mi	20.00 pCi/L	1
Normal	26.2 mi	7.25 pCi/L	4
Dwight	27.4 mi	7.00 pCi/L	1
Bloomington	29.6 mi	11.33 pCi/L	3

Livingston County Radon Profile

Livingston 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 Livingston County average 10.40 pCi/L across 5 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 Livingston County to test, as levels can differ between neighboring homes.

Radon FAQ for Flanagan, IL

What EPA Radon Zone is Flanagan in?

Flanagan and the 61740 zip code are in Livingston 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 Flanagan?

No homeowner radon tests have been submitted for Flanagan yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Livingston County average—are the best available indicator of local conditions until Flanagan 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 Flanagan?

Radon mitigation in Flanagan 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 Flanagan?

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.