Benton, IL Radon Mitigation and Testing

Q: What EPA Radon Zone is Benton in?

Benton is in Franklin County, EPA Zone 2.

Q: How much does radon mitigation cost in Benton?

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

Franklin County

EPA Zone 2

Benton sits in Franklin County in southern Illinois, positioned within the state's coal-bearing geological region where Pennsylvanian-era formations create generally moderate radon conditions. The small city in zip code 62812 features a mix of historic homes and newer construction, many with full or partial basements typical of the region. While comprehensive radon testing data for Benton is currently limited, homeowners should consider testing given the area's complex geology and the potential for radon accumulation in basement spaces.

Benton, IL Radon Mitigation

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

Benton, IL Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Benton Radon Facts

Key details about the radon risk profile for Benton and the 62812 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Franklin County, IL

Zip Code

62812

Predicted Screening Level

2–4 pCi/L (Zone 2)

Benton and the 62812 zip code are located in Franklin County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Benton, IL

What EPA Radon Zone is Benton in?

Benton and the 62812 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.

How much does radon mitigation cost in Benton?

Radon mitigation in Benton 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 Benton?

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.

Most Active Radon Markets in Illinois

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Buffalo Grove	6.10 pCi/L	10
Crystal Lake	7.25 pCi/L	8
Lake Zurich	6.00 pCi/L	7
Grayslake	5.00 pCi/L	7
New Lenox	10.17 pCi/L	6
Park Ridge	7.00 pCi/L	6
Arlington Heights	6.17 pCi/L	6
Waterloo	9.20 pCi/L	5
Palatine	7.80 pCi/L	5
Round Lake	7.80 pCi/L	5
Northbrook	6.20 pCi/L	5
Mchenry	11.00 pCi/L	4
Dekalb	8.75 pCi/L	4
Columbia	8.00 pCi/L	4
Lisle	7.25 pCi/L	4
Normal	7.25 pCi/L	4
Antioch	7.00 pCi/L	4
Elk Grove Village	7.00 pCi/L	4
Aurora	6.75 pCi/L	4
Hoffman Estates	6.75 pCi/L	4