Forsyth, IL Radon Levels

Q: What EPA Radon Zone is Forsyth in?

Forsyth is in Macon County, EPA Zone 1.

Q: How much does radon mitigation cost in Forsyth?

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

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

Forsyth, IL Radon Facts

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

County Macon County, IL

Zip Code 62535

Positioned in Macon County in central Illinois, Forsyth sits within deep glacial moraine deposits over limestone bedrock that contribute to the region's moderate-to-high radon potential. The community features predominantly newer suburban development with homes built since the 1970s, most including full basements where radon can accumulate. While specific testing data for zip code 62535 remains limited, the EPA Zone 1 classification indicates that all residents should test their homes for radon.

7.86

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 7.86 pCi/L, based on 14 tests from 10 nearby cities. No readings have been submitted for Forsyth yet, so the closest recorded data is shown as a benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Forsyth, 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 Forsyth, IL

No homeowner tests have been submitted for Forsyth 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
Moweaqua	20.9 mi	7.00 pCi/L	1
Monticello	22.3 mi	4.50 pCi/L	2
Williamsville	30.8 mi	1.00 pCi/L	1
Le Roy	31.2 mi	5.00 pCi/L	1
Taylorville	31.2 mi	2.00 pCi/L	1
Shelbyville	33.4 mi	17.00 pCi/L	1
Mahomet	35.8 mi	5.00 pCi/L	1
Bloomington	37.2 mi	11.33 pCi/L	3

Macon County Radon Profile

The bedrock and soils beneath Macon County are classified by the EPA as Radon Zone 1, the highest-risk tier, with predicted average indoor screening levels above 4 pCi/L. User-submitted readings are still sparse within Macon County itself, so the nearby measurements shown on this page provide the closest real-world picture of local radon conditions. 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 Macon County.

Radon FAQ for Forsyth, IL

What EPA Radon Zone is Forsyth in?

Forsyth and the 62535 zip code are in Macon 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 Forsyth?

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

Radon mitigation in Forsyth 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 Forsyth?

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.