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Antioch, IL Radon Levels

Check local Antioch radon levels and find certified testing and mitigation professionals to keep your home safe


Antioch, IL Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)
County Lake County, IL
Zip Code 60002
Avg. User Level 7.00 pCi/L
User Tests 4

Situated in northern Lake County along the Chicago Metro's suburban corridor, Antioch shows an average radon level of 7.0 pCi/L from recent testing data. This exceeds the EPA action level of 4.0 pCi/L, consistent with the area's glacial till deposits and the prevalence of full basements in homes throughout zip code 60002. The community's postwar residential development and underlying limestone bedrock contribute to conditions that can trap radon gas effectively.

7.00
pCi/L average
Above EPA Action Level

Based on 4 user-submitted radon tests for homes in Antioch, IL. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Antioch, IL Radon Mitigation

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

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Antioch, IL Radon Levels

User-submitted radon test readings from homes in the Antioch area.

Radon LevelCityHome AgeFoundation
4 pCi/L Antioch, IL
11 pCi/L Antioch, IL 21-50 Years Full Basement
5 pCi/L Antioch, IL 21-50 Years Partial Basement
8 pCi/L Antioch, IL 0-20 Years Full Basement

Have a radon test result for Antioch? Submit your reading to help other homeowners.

Radon Readings Near Antioch, IL

Compare radon levels in Antioch with the closest nearby cities that have user-submitted test data.

CityDistanceAvg User LevelReadings
Fox Lake 5.5 mi 5.00 pCi/L 1
Spring Grove 5.6 mi 14.00 pCi/L 1
Round Lake 6.9 mi 7.80 pCi/L 5
Grayslake 8.4 mi 5.00 pCi/L 7
Wadsworth 11.0 mi 9.50 pCi/L 2
Gurnee 11.1 mi 5.00 pCi/L 2
Mchenry 11.2 mi 11.00 pCi/L 4
Wauconda 13.9 mi 6.67 pCi/L 3

Lake County Radon Profile

The soils and bedrock of Lake County place it in EPA Radon Zone 2, a moderate-risk classification with predicted indoor averages of 2 to 4 pCi/L. Homeowner-submitted tests from 19 cities in Lake County average 6.68 pCi/L across 59 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Lake County to test, as levels can differ between neighboring homes.

Radon FAQ for Antioch, IL

What is the average radon level in Antioch, IL?
Based on 4 user-submitted tests, the average radon level in Antioch is 7.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.
What EPA Radon Zone is Antioch in?
Antioch and the 60002 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 Antioch?
Radon mitigation in Antioch 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 Antioch?
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.