Cuba, IL Radon Mitigation and Testing

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

Based on 1 user-submitted tests, the average radon level is 6.00 pCi/L.

Q: What EPA Radon Zone is Cuba in?

Cuba is in Fulton County, EPA Zone 1.

Q: How much does radon mitigation cost in Cuba?

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

Avg: 6.00 pCi/L

Fulton County

EPA Zone 1

1 user test

Positioned in west-central Illinois's Fulton County along the Illinois River valley, Cuba sits atop alluvial deposits and underlying limestone bedrock typical of the region's agricultural landscape. While comprehensive radon testing data is not yet available for zip code 61427, the area's geological conditions suggest potential for variable radon levels. Homeowners should test their properties, particularly those with basements in the area's mix of older farmhouses and mid-century residential construction.

6.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Cuba, IL Radon Mitigation

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

Cuba, IL Radon Testing

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

Cuba, Illinois Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
6 pCi/L	Cuba, IL	100+ Years	Partial Basement	May 2026

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

Cuba Radon Facts

Key details about the radon risk profile for Cuba and the 61427 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Fulton County, IL

Zip Code

61427

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

6.00 pCi/L

User Tests Submitted

Cuba and the 61427 zip code are located in Fulton 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 Cuba, IL

What is the average radon level in Cuba, IL?

Based on 1 user-submitted test, the average radon level in Cuba is 6.00 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 Cuba in?

Cuba and the 61427 zip code are in Fulton 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 Cuba?

Radon mitigation in Cuba 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 Cuba?

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