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Manhattan, IL Radon Levels

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


Manhattan, IL Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)
County Will County, IL
Zip Code 60442
Avg. User Level 8.00 pCi/L
User Tests 1

Part of Will County in the southern suburban reaches of the Chicago Metro, Manhattan has recorded an average radon level of 8.0 pCi/L, which doubles the EPA's recommended action threshold. The area's glacial till deposits from the Wisconsin glaciation, combined with underlying limestone bedrock, create ideal conditions for radon gas production and migration into residential properties. Located in the 60442 zip code area, this community's predominantly single-family homes with full basements require professional radon mitigation to ensure safe indoor air quality.

8.00
pCi/L average
Above EPA Action Level

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

0
4.0 EPA
10+

Manhattan, IL Radon Mitigation

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

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Manhattan, IL Radon Levels

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

Radon LevelCityHome AgeFoundation
8 pCi/L Manhattan, IL 0-20 Years Partial Basement

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

Radon Readings Near Manhattan, IL

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

CityDistanceAvg User LevelReadings
New Lenox 5.4 mi 10.14 pCi/L 7
Joliet 7.4 mi 6.67 pCi/L 3
Mokena 8.5 mi 5.67 pCi/L 3
Crest Hill 10.7 mi 6.00 pCi/L 1
Lockport 12.0 mi 12.50 pCi/L 2
Homer Glen 12.0 mi 4.33 pCi/L 3
Tinley Park 12.9 mi 7.67 pCi/L 3
Matteson 13.5 mi 15.00 pCi/L 1

Will County Radon Profile

EPA mapping assigns Will County to Radon Zone 2, indicating moderate predicted indoor screening levels in the 2 to 4 pCi/L range based on regional geology. Homeowner-submitted tests from 16 cities in Will County average 8.00 pCi/L across 30 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Will County home regardless of zone or a neighbor's results.

Radon FAQ for Manhattan, IL

What is the average radon level in Manhattan, IL?
Based on 1 user-submitted test, the average radon level in Manhattan 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 Manhattan in?
Manhattan and the 60442 zip code are in Will 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 Manhattan?
Radon mitigation in Manhattan 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 Manhattan?
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.