Lake In The Hills, IL Radon Levels

Q: What is the average radon level in Lake In The Hills, IL?

Based on 4 user-submitted tests, the average radon level is 6.50 pCi/L.

Q: What EPA Radon Zone is Lake In The Hills in?

Lake In The Hills is in McHenry County, EPA Zone 2.

Q: How much does radon mitigation cost in Lake In The Hills?

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

Check local Lake In The Hills radon levels and find certified testing and mitigation professionals to keep your home safe

Lake In The Hills, IL Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County McHenry County, IL

Zip Code 60156

Avg. User Level 6.50 pCi/L

User Tests 4

Positioned in McHenry County northwest of Chicago, Lake In The Hills shows a concerning 6.5 pCi/L average that significantly exceeds EPA action levels. The community's location on glacial till deposits creates soil conditions highly favorable for radon gas production, particularly problematic for the area's predominantly newer homes with full basements typical of suburban Chicago development. Homeowners throughout the 60156 area should prioritize radon testing and mitigation systems.

6.50

pCi/L average

Above EPA Action Level

Based on 4 user-submitted radon tests for homes in Lake In The Hills, IL. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Lake In The Hills, IL Radon Mitigation

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

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Lake In The Hills, Illinois Radon Levels

User-submitted radon test readings from homes in the Lake In The Hills area.

Radon Level	City	Home Age	Foundation	Submitted
8 pCi/L	Lake In The Hills, IL	21-50 Years	Full Basement	Nov 2025
4 pCi/L	Lake In The Hills, IL	21-50 Years	Partial Basement	Jun 2025
9 pCi/L	Lake In The Hills, IL	21-50 Years	Partial Basement	Oct 2024
5 pCi/L	Lake in the hills , IL	21-50 Years	Full Basement	May 2017

Have a radon test result for Lake In The Hills? Submit your reading to help other homeowners.

McHenry County Radon Profile

EPA mapping assigns McHenry 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 11 cities in McHenry County average 7.73 pCi/L across 33 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 McHenry County home regardless of zone or a neighbor's results.

Radon FAQ for Lake In The Hills, IL

What is the average radon level in Lake In The Hills, IL?

Based on 4 user-submitted tests, the average radon level in Lake In The Hills is 6.50 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 Lake In The Hills in?

Lake In The Hills and the 60156 zip code are in McHenry 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 Lake In The Hills?

Radon mitigation in Lake In The Hills 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 Lake In The Hills?

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.

Radon Levels Near Lake In The Hills, IL

User-submitted radon levels from the cities closest to Lake In The Hills with recorded test data. Explore nearby communities to compare local readings.

City	Distance	Avg User Level	Submissions
Algonquin	1.7 mi	5.00 pCi/L	2
Crystal Lake	4.6 mi	7.25 pCi/L	8
Huntley	5.0 mi	5.75 pCi/L	4
Cary	5.2 mi	6.00 pCi/L	3
Fox River Grove	5.7 mi	10.00 pCi/L	1
Dundee	6.3 mi	14.00 pCi/L	1
Barrington	9.9 mi	6.00 pCi/L	3
Elgin	10.1 mi	11.50 pCi/L	2