Arthur, IL Radon Mitigation and Testing

Q: What EPA Radon Zone is Arthur in?

Arthur is in Douglas County, EPA Zone 1.

Q: How much does radon mitigation cost in Arthur?

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

Douglas County

EPA Zone 1

Located in Douglas County within Illinois's central prairie region, Arthur in zip code 61911 sits atop glacial moraine deposits over limestone bedrock that contribute to elevated radon potential. This Amish community features traditional housing alongside conventional residential construction, with many properties including basement foundations typical of central Illinois building practices. While specific testing data for Arthur remains limited, the underlying geological conditions common to Douglas County suggest homeowners should consider radon testing.

Arthur, IL Radon Mitigation

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

Arthur, IL Radon Testing

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

Arthur Radon Facts

Key details about the radon risk profile for Arthur and the 61911 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Douglas County, IL

Zip Code

61911

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Arthur and the 61911 zip code are located in Douglas County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Arthur, IL

What EPA Radon Zone is Arthur in?

Arthur and the 61911 zip code are in Douglas 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.

How much does radon mitigation cost in Arthur?

Radon mitigation in Arthur 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 Arthur?

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