Cave In Rock, IL Radon Levels

Q: What EPA Radon Zone is Cave In Rock in?

Cave In Rock is in Hardin County, EPA Zone 2.

Q: How much does radon mitigation cost in Cave In Rock?

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

Check local Cave In Rock radon levels and find certified testing and mitigation professionals to keep your home safe

Cave In Rock, IL Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Hardin County, IL

Zip Code 62919

Perched along the Ohio River in Hardin County, Cave In Rock sits on Shawnee Hills sandstone and shale formations that generally produce lower radon levels, though pockets near limestone outcrops can still exceed EPA thresholds. The historic river town's older homes often feature stone foundations and basements that could potentially trap radon gas. With no current testing data for zip code 62919, residents should test their homes to establish baseline radon levels.

5.00

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 5.00 pCi/L, based on 1 test from 1 nearby city. No readings have been submitted for Cave In Rock 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+

Cave In Rock, 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 Cave In Rock, IL

No homeowner tests have been submitted for Cave In Rock 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
Marion	45.4 mi	5.00 pCi/L	1

Hardin County Radon Profile

Hardin County is mapped as EPA Radon Zone 2, where the local geology is predicted to produce moderate indoor screening levels between 2 and 4 pCi/L. User-submitted readings are still sparse within Hardin 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 Hardin County.

Radon FAQ for Cave In Rock, IL

What EPA Radon Zone is Cave In Rock in?

Cave In Rock and the 62919 zip code are in Hardin County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

Why are radon readings shown from areas near Cave In Rock?

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

Radon mitigation in Cave In Rock 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 Cave In Rock?

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.