Grafton, IL Radon Mitigation and Testing

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

Based on 1 user-submitted tests, the average radon level is 14.00 pCi/L.

Q: What EPA Radon Zone is Grafton in?

Grafton is in Jersey County, EPA Zone 1.

Q: How much does radon mitigation cost in Grafton?

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

Avg: 14.00 pCi/L

Jersey County

EPA Zone 1

1 user test

Perched along the Illinois River bluffs in Jersey County near the St. Louis Metro area, Grafton has recorded an average radon level of 14.0 pCi/L — significantly exceeding EPA action guidelines. The community's location where Mississippi River valley alluvial deposits meet limestone bluffs creates variable but often elevated radon conditions. Historic homes and businesses built into the limestone bluffs of zip code 62037 may be particularly susceptible to radon infiltration.

14.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Grafton, IL Radon Mitigation

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

Grafton, IL Radon Testing

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

Grafton, Illinois Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
14 pCi/L	grafton, IL	0-20 Years	Full Basement	Dec 2016

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

Grafton Radon Facts

Key details about the radon risk profile for Grafton and the 62037 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Jersey County, IL

Zip Code

62037

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

14.00 pCi/L

User Tests Submitted

Grafton and the 62037 zip code are located in Jersey 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 Grafton, IL

What is the average radon level in Grafton, IL?

Based on 1 user-submitted test, the average radon level in Grafton is 14.00 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 Grafton in?

Grafton and the 62037 zip code are in Jersey 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 Grafton?

Radon mitigation in Grafton 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 Grafton?

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