Winthrop Harbor, IL Radon Mitigation and Testing

Q: What EPA Radon Zone is Winthrop Harbor in?

Winthrop Harbor is in Lake County, EPA Zone 2.

Q: How much does radon mitigation cost in Winthrop Harbor?

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

Lake County

EPA Zone 2

Positioned along Lake Michigan's shoreline in Lake County within the Chicago Metro area, Winthrop Harbor sits on glacial till deposits over limestone bedrock that create favorable conditions for radon production. The lakefront community features a mix of year-round residences and seasonal homes, many with full basements typical of northern Illinois construction. While specific testing data for zip code 60096 is currently limited, homeowners should consider radon testing given the region's geological characteristics and the prevalence of below-grade living spaces.

Winthrop Harbor, IL Radon Mitigation

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

Winthrop Harbor, IL Radon Testing

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

Winthrop Harbor Radon Facts

Key details about the radon risk profile for Winthrop Harbor and the 60096 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Lake County, IL

Zip Code

60096

Predicted Screening Level

2–4 pCi/L (Zone 2)

Winthrop Harbor and the 60096 zip code are located in Lake 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 Winthrop Harbor, IL

What EPA Radon Zone is Winthrop Harbor in?

Winthrop Harbor and the 60096 zip code are in Lake 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 Winthrop Harbor?

Radon mitigation in Winthrop Harbor 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 Winthrop Harbor?

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