Blandinsville, IL Radon Levels

Q: What EPA Radon Zone is Blandinsville in?

Blandinsville is in McDonough County, EPA Zone 1.

Q: How much does radon mitigation cost in Blandinsville?

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

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

Blandinsville, IL Radon Facts

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

County McDonough County, IL

Zip Code 61420

Agricultural community in western Illinois's McDonough County sits on glacial deposits over limestone bedrock that can facilitate radon migration throughout the region. With no testing data available for zip code 61420, homeowners should conduct professional radon testing to establish accurate readings. The area's older farmhouses and traditional basement construction provide multiple pathways for radon infiltration from underlying geological formations.

8.67

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 8.67 pCi/L, based on 9 tests from 7 nearby cities. No readings have been submitted for Blandinsville 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+

Blandinsville, 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 Blandinsville, IL

No homeowner tests have been submitted for Blandinsville 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
Dallas City	14.0 mi	9.00 pCi/L	1
Stronghurst	14.3 mi	13.00 pCi/L	2
Monmouth	27.2 mi	8.00 pCi/L	1
Cuba	35.8 mi	6.00 pCi/L	1
Knoxville	38.9 mi	8.00 pCi/L	1
Quincy	48.9 mi	7.50 pCi/L	2
New Windsor	49.3 mi	6.00 pCi/L	1

McDonough County Radon Profile

Because of its underlying geology, McDonough County is mapped as EPA Radon Zone 1 — the most elevated classification — where predicted indoor screening averages exceed 4 pCi/L. Direct test data for McDonough County remains limited, so the closest neighboring readings are used here to represent the radon conditions homeowners are likely to encounter. As the second leading cause of lung cancer in the U.S., radon warrants testing in every McDonough County home regardless of zone or a neighbor's results.

Radon FAQ for Blandinsville, IL

What EPA Radon Zone is Blandinsville in?

Blandinsville and the 61420 zip code are in McDonough 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 Blandinsville?

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

Radon mitigation in Blandinsville 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 Blandinsville?

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.