Grayville, IL Radon Mitigation and Testing

Q: What EPA Radon Zone is Grayville in?

Grayville is in Edwards County, EPA Zone 2.

Q: How much does radon mitigation cost in Grayville?

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

Edwards County

EPA Zone 2

Southeastern Illinois's Edwards County community of Grayville lies in the state's oil and coal region, where Pennsylvanian sedimentary formations create moderate radon potential. While testing data for zip code 62844 is currently limited, the area's geology of coal-bearing shale and sandstone can produce radon accumulation in residential properties. Residents should consider radon testing, as the region's complex sedimentary layers are known to facilitate radon gas migration throughout southeastern Illinois communities.

Grayville, IL Radon Mitigation

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

Grayville, IL Radon Testing

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

Grayville Radon Facts

Key details about the radon risk profile for Grayville and the 62844 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Edwards County, IL

Zip Code

62844

Predicted Screening Level

2–4 pCi/L (Zone 2)

Grayville and the 62844 zip code are located in Edwards 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 Grayville, IL

What EPA Radon Zone is Grayville in?

Grayville and the 62844 zip code are in Edwards 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 Grayville?

Radon mitigation in Grayville 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 Grayville?

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