Pawnee, IL Radon Levels

Q: What EPA Radon Zone is Pawnee in?

Pawnee is in Sangamon County, EPA Zone 1.

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

No homeowner radon tests have been submitted for Pawnee yet, so readings from the closest cities and the Sangamon 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 Pawnee?

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

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

Pawnee, IL Radon Facts

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

County Sangamon County, IL

Zip Code 62558

Located in central Illinois' Sangamon County, Pawnee sits atop deep glacial moraine deposits over limestone bedrock that create favorable conditions for radon accumulation. The Springfield metro community features traditional Midwest housing with many full-basement homes built between the 1940s and 1980s. Although specific testing data for zip code 62558 is currently unavailable, the area's geological conditions suggest homeowners should prioritize professional radon testing.

5.00

pCi/L area average

Above EPA Action Level

Sangamon County average: 5.00 pCi/L, based on 6 user-submitted tests across 5 cities in the county. No homeowner readings have been submitted for Pawnee 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+

Pawnee, 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 Pawnee, IL

No homeowner tests have been submitted for Pawnee 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
Divernon	5.7 mi	7.00 pCi/L	1
Chatham	8.9 mi	3.00 pCi/L	1
Auburn	9.5 mi	6.00 pCi/L	1
Springfield	13.4 mi	6.50 pCi/L	2
Taylorville	15.1 mi	2.00 pCi/L	1
Williamsville	23.9 mi	1.00 pCi/L	1
Carlinville	27.2 mi	9.00 pCi/L	1
Moweaqua	29.2 mi	7.00 pCi/L	1

Sangamon County Radon Profile

Sangamon 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 5 cities in Sangamon County average 5.00 pCi/L across 6 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 Sangamon County to test, as levels can differ between neighboring homes.

Radon FAQ for Pawnee, IL

What EPA Radon Zone is Pawnee in?

Pawnee and the 62558 zip code are in Sangamon 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 Pawnee?

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

Radon mitigation in Pawnee 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 Pawnee?

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.