Ridgway, IL Radon Mitigation and Testing

Q: What EPA Radon Zone is Ridgway in?

Ridgway is in Gallatin County, EPA Zone 2.

Q: How much does radon mitigation cost in Ridgway?

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

Gallatin County

EPA Zone 2

Located in southeastern Illinois's Gallatin County, Ridgway sits within the Shawnee Hills region where sandstone and shale formations generally produce lower radon levels compared to northern Illinois. The community's housing reflects typical rural southern Illinois construction with a mix of older residential properties and mobile homes on various foundation types. Despite limited testing data for zip code 62979, homeowners should still consider individual radon testing as geological conditions can create localized elevated readings.

Ridgway, IL Radon Mitigation

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

Ridgway, IL Radon Testing

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

Ridgway Radon Facts

Key details about the radon risk profile for Ridgway and the 62979 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Gallatin County, IL

Zip Code

62979

Predicted Screening Level

2–4 pCi/L (Zone 2)

Ridgway and the 62979 zip code are located in Gallatin 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 Ridgway, IL

What EPA Radon Zone is Ridgway in?

Ridgway and the 62979 zip code are in Gallatin 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 Ridgway?

Radon mitigation in Ridgway 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 Ridgway?

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