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Plainfield, IL Radon Levels

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


Plainfield, IL Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)
County Will County, IL
Zip Code 60544
Avg. User Level 6.30 pCi/L
User Tests 3

Plainfield in Will County shows an average radon level of 6.33 pCi/L, which exceeds the EPA action threshold of 4.0 pCi/L. Located in the southern suburban reaches of the Chicago metro, this community sits over glacial till deposits that create favorable conditions for radon accumulation in the full basements typical of area homes. The zip codes 60544, 60585, and 60586 all reflect this elevated radon pattern requiring mitigation consideration.

6.30
pCi/L average
Above EPA Action Level

Based on 3 user-submitted radon tests for homes in Plainfield, IL. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Plainfield, IL Radon Mitigation

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

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Plainfield, IL Radon Levels

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

Radon LevelCityHome AgeFoundation
6 pCi/L Plainfield, IL 21-50 Years Full Basement
5 pCi/L Plainfield, IL Partial Basement
8 pCi/L Plainfield, IL 0-20 Years Partial Basement

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

Radon Readings Near Plainfield, IL

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

CityDistanceAvg User LevelReadings
Shorewood 6.9 mi 4.00 pCi/L 1
Crest Hill 6.9 mi 6.00 pCi/L 1
Bolingbrook 7.6 mi 9.00 pCi/L 2
Romeoville 7.7 mi 15.00 pCi/L 1
Lockport 8.4 mi 12.50 pCi/L 2
Montgomery 9.8 mi 8.50 pCi/L 2
Joliet 10.0 mi 6.67 pCi/L 3
Naperville 10.1 mi 6.25 pCi/L 4

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 Plainfield, IL

What is the average radon level in Plainfield, IL?
Based on 3 user-submitted tests, the average radon level in Plainfield is 6.30 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 Plainfield in?
Plainfield and the 60544 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 Plainfield?
Radon mitigation in Plainfield 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 Plainfield?
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.