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Prospect Heights, IL Radon Levels

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


Prospect Heights, IL Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)
County Cook County, IL
Zip Code 60070
Avg. User Level 10.00 pCi/L
User Tests 1

Prospect Heights in Cook County represents northwest suburban Chicago living in zip code 60070, where glacial till deposits over limestone bedrock create highly favorable conditions for radon accumulation. Testing data reveals an average radon level of 10.0 pCi/L, significantly exceeding EPA action thresholds and requiring immediate mitigation attention. The area's predominant full-basement construction and dense glacial soils contribute to these elevated readings that demand professional intervention.

10.00
pCi/L average
Above EPA Action Level

Based on 1 user-submitted radon test for homes in Prospect Heights, IL. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Prospect Heights, IL Radon Mitigation

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

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Prospect Heights, IL Radon Levels

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

Radon LevelCityHome AgeFoundation
10 pCi/L Prospect Heights, IL 21-50 Years Full Basement

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

Radon Readings Near Prospect Heights, IL

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

CityDistanceAvg User LevelReadings
Wheeling 2.0 mi 5.00 pCi/L 2
Arlington Heights 2.5 mi 6.17 pCi/L 6
Mount Prospect 3.0 mi 5.33 pCi/L 3
Buffalo Grove 3.9 mi 6.10 pCi/L 10
Rolling Meadows 4.7 mi 6.00 pCi/L 2
Northbrook 5.0 mi 6.20 pCi/L 5
Palatine 5.1 mi 7.80 pCi/L 5
Deerfield 6.1 mi 4.00 pCi/L 1

Cook County Radon Profile

Cook County is mapped as EPA Radon Zone 2, where the local geology is predicted to produce moderate indoor screening levels between 2 and 4 pCi/L. Homeowner-submitted tests from 40 cities in Cook County average 6.44 pCi/L across 82 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Cook County.

Radon FAQ for Prospect Heights, IL

What is the average radon level in Prospect Heights, IL?
Based on 1 user-submitted test, the average radon level in Prospect Heights is 10.00 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 Prospect Heights in?
Prospect Heights and the 60070 zip code are in Cook 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 Prospect Heights?
Radon mitigation in Prospect Heights 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 Prospect Heights?
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.