Mount Carroll, IL Radon Levels

Q: What EPA Radon Zone is Mount Carroll in?

Mount Carroll is in Carroll County, EPA Zone 1.

Q: How much does radon mitigation cost in Mount Carroll?

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

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

Mount Carroll, IL Radon Facts

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

County Carroll County, IL

Zip Code 61053

This historic Carroll County seat in northwest Illinois sits atop glacial till deposits that contribute to the area's EPA Zone 1 radon classification. The region's glacial drift over limestone bedrock creates geological conditions that can elevate radon levels in homes throughout the 61053 zip code area. Given the limited testing data currently available, local homeowners should consider professional radon testing to assess their individual property's risk level.

12.00

pCi/L area average

Above EPA Action Level

Carroll County average: 12.00 pCi/L, based on 3 user-submitted tests across 1 city in the county. No homeowner readings have been submitted for Mount Carroll 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+

Mount Carroll, 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 Mount Carroll, IL

No homeowner tests have been submitted for Mount Carroll 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
Lanark	8.2 mi	12.00 pCi/L	3
Hanover	18.9 mi	5.00 pCi/L	1
Fulton	19.5 mi	4.00 pCi/L	1
Freeport	22.4 mi	3.67 pCi/L	3
Rock Falls	27.8 mi	6.00 pCi/L	2
Mount Morris	28.5 mi	4.00 pCi/L	1
Orangeville	30.8 mi	14.00 pCi/L	1
Galena	31.0 mi	1.00 pCi/L	1

Carroll County Radon Profile

Because of its underlying geology, Carroll 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 Carroll County average 12.00 pCi/L across 3 tests — 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 Carroll County home regardless of zone or a neighbor's results.

Radon FAQ for Mount Carroll, IL

What EPA Radon Zone is Mount Carroll in?

Mount Carroll and the 61053 zip code are in Carroll 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 Mount Carroll?

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

Radon mitigation in Mount Carroll 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 Mount Carroll?

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.