Toluca, IL Radon Levels

Q: What EPA Radon Zone is Toluca in?

Toluca is in Marshall County, EPA Zone 1.

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

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

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

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

Toluca, IL Radon Facts

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

County Marshall County, IL

Zip Code 61369

Positioned along the Illinois River valley in Marshall County, Toluca sits within EPA Zone 1 where alluvial soils over Ordovician limestone create high radon potential. This small Peoria Metro community features traditional Midwest residential architecture, with many homes built with full basements that can facilitate radon accumulation. Since testing data for zip code 61369 is currently limited, residents should prioritize radon testing given the area's favorable geological conditions for radon production.

20.00

pCi/L area average

Above EPA Action Level

Marshall County average: 20.00 pCi/L, based on 1 user-submitted test across 1 city in the county. No homeowner readings have been submitted for Toluca 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+

Toluca, 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 Toluca, IL

No homeowner tests have been submitted for Toluca 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
Varna	6.2 mi	20.00 pCi/L	1
Ancona	14.3 mi	20.00 pCi/L	1
Streator	17.8 mi	7.00 pCi/L	1
Metamora	21.7 mi	7.50 pCi/L	2
Spring Valley	22.6 mi	2.00 pCi/L	1
Peru	22.7 mi	6.50 pCi/L	2
Pontiac	27.7 mi	10.50 pCi/L	2
Dunlap	28.6 mi	7.00 pCi/L	1

Marshall County Radon Profile

The bedrock and soils beneath Marshall 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 1 city in Marshall County average 20.00 pCi/L across 1 test — 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 Marshall County.

Radon FAQ for Toluca, IL

What EPA Radon Zone is Toluca in?

Toluca and the 61369 zip code are in Marshall 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 Toluca?

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

Radon mitigation in Toluca 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 Toluca?

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.