Saint Charles, IL Radon Mitigation and Testing

Q: What is the average radon level in Saint Charles, IL?

Based on 1 user-submitted tests, the average radon level is 18.00 pCi/L.

Q: What EPA Radon Zone is Saint Charles in?

Saint Charles is in Kane County, EPA Zone 1.

Q: How much does radon mitigation cost in Saint Charles?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

Avg: 18.00 pCi/L

Kane County

EPA Zone 1

1 user test

Saint Charles is located in Kane County, Illinois. With 1 user-submitted readings averaging 18.00 pCi/L, the area exceeds the EPA's 4.0 pCi/L action threshold, and testing is strongly recommended for homeowners in the 60174 zip code.

18.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Saint Charles, IL Radon Mitigation

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

Saint Charles, IL Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Saint Charles, Illinois Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
18 pCi/L	Saint Charles, IL	21-50 Years	Partial Basement	Oct 2024

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

Saint Charles Radon Facts

Key details about the radon risk profile for Saint Charles and the 60174 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Kane County, IL

Zip Code

60174

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

18.00 pCi/L

User Tests Submitted

Saint Charles and the 60174 zip code are located in Kane County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Saint Charles, IL

What is the average radon level in Saint Charles, IL?

Based on 1 user-submitted test, the average radon level in Saint Charles is 18.00 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 Saint Charles in?

Saint Charles and the 60174 zip code are in Kane County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

How much does radon mitigation cost in Saint Charles?

Radon mitigation in Saint Charles 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 Saint Charles?

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.

Most Active Radon Markets in Illinois

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Buffalo Grove	6.10 pCi/L	10
Crystal Lake	7.25 pCi/L	8
Lake Zurich	6.00 pCi/L	7
Grayslake	5.00 pCi/L	7
New Lenox	10.17 pCi/L	6
Park Ridge	7.00 pCi/L	6
Arlington Heights	6.17 pCi/L	6
Waterloo	9.20 pCi/L	5
Palatine	7.80 pCi/L	5
Round Lake	7.80 pCi/L	5
Northbrook	6.20 pCi/L	5
Mchenry	11.00 pCi/L	4
Dekalb	8.75 pCi/L	4
Columbia	8.00 pCi/L	4
Lisle	7.25 pCi/L	4
Normal	7.25 pCi/L	4
Antioch	7.00 pCi/L	4
Elk Grove Village	7.00 pCi/L	4
Aurora	6.75 pCi/L	4
Hoffman Estates	6.75 pCi/L	4