Wonder Lake, IL Radon Mitigation and Testing

Q: What EPA Radon Zone is Wonder Lake in?

Wonder Lake is in McHenry County, EPA Zone 2.

Q: How much does radon mitigation cost in Wonder Lake?

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

McHenry County

EPA Zone 2

Located in McHenry County within the Chicago Metro's northwest suburban corridor, Wonder Lake sits on glacial till deposits from the Wisconsin glaciation that create soil conditions highly favorable for radon gas production. The community features predominantly single-family homes built between the 1950s and 1990s, most with full poured-concrete or block basements where radon accumulates most readily. While testing data for Wonder Lake is limited, the glacial geology and Zone 2 EPA classification make professional radon testing strongly recommended for all residents.

Wonder Lake, IL Radon Mitigation

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

Wonder Lake, IL Radon Testing

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

Wonder Lake Radon Facts

Key details about the radon risk profile for Wonder Lake and the 60097 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

McHenry County, IL

Zip Code

60097

Predicted Screening Level

2–4 pCi/L (Zone 2)

Wonder Lake and the 60097 zip code are located in McHenry 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 Wonder Lake, IL

What EPA Radon Zone is Wonder Lake in?

Wonder Lake and the 60097 zip code are in McHenry 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 Wonder Lake?

Radon mitigation in Wonder Lake 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 Wonder Lake?

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