Alden, IL Radon Levels

Q: What EPA Radon Zone is Alden in?

Alden is in Mchenry County, EPA Zone Unknown.

Q: Why are radon readings shown from areas near Alden?

No homeowner radon tests have been submitted for Alden yet, so readings from the closest cities and the Mchenry County average are used as the best available indicator of local conditions. The EPA recommends testing every individual home.

Q: How much does radon mitigation cost in Alden?

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

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

Alden, IL Radon Facts

EPA Radon Zone Unknown Unknown

County Mchenry County, IL

Zip Code 60001

Positioned in McHenry County within the northwest suburban belt beyond Chicago, Alden benefits from glacial till deposits from the Wisconsin glaciation that create soil conditions highly favorable for radon production. Testing data for this 60001 zip code area remains limited, making individual property testing crucial for homeowners. The region's predominantly single-family homes with full basements provide ideal conditions for radon accumulation.

7.66

pCi/L area average

Above EPA Action Level

Nearby homeowner readings average 7.66 pCi/L, based on 32 tests from 10 nearby cities. No readings have been submitted for Alden yet, so the closest recorded data is shown as a benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Alden, IL Radon Mitigation

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

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Radon Readings Near Alden, IL

No homeowner tests have been submitted for Alden yet. The closest cities with user-submitted radon data are shown below — explore them to gauge local conditions. Radon varies by home, so testing is the only way to know your level.

City	Distance	Avg User Level	Readings
Woodstock	0.4 mi	12.50 pCi/L	2
Crystal Lake	8.3 mi	7.25 pCi/L	8
Marengo	9.7 mi	5.50 pCi/L	2
Mchenry	9.8 mi	11.00 pCi/L	4
Harvard	10.3 mi	8.00 pCi/L	2
Huntley	10.4 mi	5.75 pCi/L	4
Lake In The Hills	11.7 mi	6.50 pCi/L	4
Cary	13.0 mi	6.00 pCi/L	3

Mchenry County Radon Profile

Mchenry County lacks a firm EPA zone classification, and the EPA recommends testing every home regardless of regional radon predictions. Direct test data for Mchenry County remains limited, so the closest neighboring readings are used here to represent the radon conditions homeowners are likely to encounter. 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 Alden, IL

What EPA Radon Zone is Alden in?

Alden and the 60001 zip code are in Mchenry County, which has an EPA assigned Radon Zone of Unknown. A zone of Unknown does not have sufficient data for classification.

Why are radon readings shown from areas near Alden?

No homeowner radon tests have been submitted for Alden yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Mchenry County average—are the best available indicator of local conditions until Alden homeowners submit their own results. The EPA still recommends testing every individual home, since levels can vary significantly from house to house.

How much does radon mitigation cost in Alden?

Radon mitigation in Alden 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 Alden?

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.