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Riverside, IL Radon Levels

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


Riverside, IL Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)
County Cook County, IL
Zip Code 60546
Avg. User Level 8.00 pCi/L
User Tests 1

This historic Cook County suburb in the Chicago Metro features the glacial till deposits that characterize northeastern Illinois radon conditions. Local testing shows an average radon level of 8.0 pCi/L, which exceeds the EPA action level and warrants immediate mitigation consideration. The community's early-20th-century homes, many with full basements typical of the region, create ideal conditions for radon accumulation in the 60546 zip code area.

8.00
pCi/L average
Above EPA Action Level

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

0
4.0 EPA
10+

Riverside, IL Radon Mitigation

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Riverside, IL Radon Levels

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

Radon LevelCityHome AgeFoundation
8 pCi/L Riverside, IL 21-50 Years Full Basement

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

Radon Readings Near Riverside, IL

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

CityDistanceAvg User LevelReadings
Berwyn 1.6 mi 5.00 pCi/L 1
Forest Park 2.6 mi 7.00 pCi/L 2
Westchester 3.4 mi 4.00 pCi/L 1
Oak Park 3.6 mi 5.33 pCi/L 3
River Forest 4.0 mi 4.00 pCi/L 1
Western Springs 4.6 mi 7.00 pCi/L 1
Burbank 7.0 mi 2.00 pCi/L 1
Elmhurst 7.2 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 Riverside, IL

What is the average radon level in Riverside, IL?
Based on 1 user-submitted test, the average radon level in Riverside is 8.00 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 Riverside in?
Riverside and the 60546 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 Riverside?
Radon mitigation in Riverside 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 Riverside?
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.