Sesser, IL Radon Levels

Q: What EPA Radon Zone is Sesser in?

Sesser is in Franklin County, EPA Zone 2.

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

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

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

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

Sesser, IL Radon Facts

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

County Franklin County, IL

Zip Code 62884

Situated in Franklin County within the Illinois Basin's coal-bearing region, Sesser's Pennsylvanian-era shale and sandstone formations typically produce moderate radon conditions. The 62884 zip code area features a mix of older homes and manufactured housing on various foundation types. Though comprehensive radon data is currently unavailable, homeowners should test their properties given the area's geological characteristics.

6.11

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 6.11 pCi/L, based on 9 tests from 8 nearby cities. No readings have been submitted for Sesser 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+

Sesser, IL Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

Need Radon Mitigation or Testing in Sesser?

100% Free, No-Obligation Quotes
Matches You with State-Licensed Franklin County Pros

1-800-299-3578 217-717-8001 (local) Toll-free · Mon–Fri 8am–6pm ET

Radon Readings Near Sesser, IL

No homeowner tests have been submitted for Sesser 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	17.6 mi	4.00 pCi/L	1
Marion	26.1 mi	5.00 pCi/L	1
Murphysboro	26.9 mi	10.00 pCi/L	1
Kell	30.4 mi	5.00 pCi/L	1
Campbell Hill	30.7 mi	1.00 pCi/L	1
Marissa	39.1 mi	4.00 pCi/L	1
Carlyle	39.8 mi	13.00 pCi/L	1
Mascoutah	47.7 mi	6.50 pCi/L	2

Franklin County Radon Profile

EPA mapping assigns Franklin County to Radon Zone 2, indicating moderate predicted indoor screening levels in the 2 to 4 pCi/L range based on regional geology. Direct test data for Franklin 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 Franklin County home regardless of zone or a neighbor's results.

Radon FAQ for Sesser, IL

What EPA Radon Zone is Sesser in?

Sesser and the 62884 zip code are in Franklin 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 Sesser?

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

Radon mitigation in Sesser 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 Sesser?

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.