Ashley, IL Radon Levels

Q: What EPA Radon Zone is Ashley in?

Ashley is in Washington County, EPA Zone 2.

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

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

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

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

Ashley, IL Radon Facts

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

County Washington County, IL

Zip Code 62808

Situated in southern Illinois's Washington County, Ashley sits on Pennsylvanian coal measures and shale deposits that typically produce moderate radon levels in this part of the state. Testing data for zip code 62808 remains limited, making individual property assessment important for homeowners. The underlying coal-bearing geology and regional patterns suggest regular radon monitoring is advisable for all homes.

6.92

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 6.92 pCi/L, based on 12 tests from 10 nearby cities. No readings have been submitted for Ashley 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+

Ashley, 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 Ashley, IL

No homeowner tests have been submitted for Ashley 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
Mount Vernon	17.4 mi	4.00 pCi/L	1
Carlyle	22.3 mi	13.00 pCi/L	1
Kell	22.5 mi	5.00 pCi/L	1
Marissa	28.5 mi	4.00 pCi/L	1
Mascoutah	32.3 mi	6.50 pCi/L	2
Campbell Hill	32.6 mi	1.00 pCi/L	1
Lebanon	37.0 mi	10.50 pCi/L	2
Murphysboro	37.7 mi	10.00 pCi/L	1

Washington County Radon Profile

The soils and bedrock of Washington County place it in EPA Radon Zone 2, a moderate-risk classification with predicted indoor averages of 2 to 4 pCi/L. Few homeowner tests have been logged inside Washington County so far, which is why this page draws on the nearest recorded readings to illustrate regional radon levels. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Washington County to test, as levels can differ between neighboring homes.

Radon FAQ for Ashley, IL

What EPA Radon Zone is Ashley in?

Ashley and the 62808 zip code are in Washington 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 Ashley?

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

Radon mitigation in Ashley 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 Ashley?

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.