Good Hope, IL Radon Levels

Q: What EPA Radon Zone is Good Hope in?

Good Hope is in McDonough County, EPA Zone 1.

Q: How much does radon mitigation cost in Good Hope?

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

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

Good Hope, IL Radon Facts

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

County McDonough County, IL

Zip Code 61438

Situated in McDonough County in west-central Illinois, Good Hope sits on glacial till deposits over Pennsylvanian-era bedrock. With limited testing data available for the 61438 zip code area, homeowners should prioritize radon testing to understand their individual exposure risk. The region's combination of glacial soils and underlying sedimentary rock creates moderate potential for radon accumulation.

9.00

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 9.00 pCi/L, based on 7 tests from 6 nearby cities. No readings have been submitted for Good Hope 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+

Good Hope, 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 Good Hope, IL

No homeowner tests have been submitted for Good Hope 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
Stronghurst	18.9 mi	13.00 pCi/L	2
Dallas City	23.7 mi	9.00 pCi/L	1
Monmouth	24.4 mi	8.00 pCi/L	1
Cuba	26.2 mi	6.00 pCi/L	1
Knoxville	31.7 mi	8.00 pCi/L	1
New Windsor	45.7 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 Good Hope, IL

What EPA Radon Zone is Good Hope in?

Good Hope and the 61438 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 Good Hope?

No homeowner radon tests have been submitted for Good Hope 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 Good Hope 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 Good Hope?

Radon mitigation in Good Hope 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 Good Hope?

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.