Richmond, IL Radon Levels

Q: What EPA Radon Zone is Richmond in?

Richmond is in McHenry County, EPA Zone 2.

Q: How much does radon mitigation cost in Richmond?

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

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

Richmond, IL Radon Facts

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

County McHenry County, IL

Zip Code 60071

Located in McHenry County along the northern suburban corridor of the Chicago metro, Richmond sits on glacial till deposits from the Wisconsin glaciation that create highly favorable conditions for radon production. Testing data for zip code 60071 is currently limited, making individual home testing essential given the region's geological characteristics. Illinois homes built on these dense clay and glacial drift deposits over limestone bedrock frequently show elevated radon concentrations.

7.73

pCi/L area average

Above EPA Action Level

McHenry County average: 7.73 pCi/L, based on 33 user-submitted tests across 11 cities in the county. No homeowner readings have been submitted for Richmond itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Richmond, 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 Richmond, IL

No homeowner tests have been submitted for Richmond 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
Spring Grove	3.8 mi	14.00 pCi/L	1
Fox Lake	8.1 mi	5.00 pCi/L	1
Mchenry	8.7 mi	11.00 pCi/L	4
Antioch	8.8 mi	7.00 pCi/L	4
Round Lake	12.4 mi	7.80 pCi/L	5
Woodstock	13.0 mi	12.50 pCi/L	2
Grayslake	14.4 mi	5.00 pCi/L	7
Crystal Lake	15.2 mi	7.25 pCi/L	8

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 Richmond, IL

What EPA Radon Zone is Richmond in?

Richmond and the 60071 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.

Why are radon readings shown from areas near Richmond?

No homeowner radon tests have been submitted for Richmond 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 Richmond 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 Richmond?

Radon mitigation in Richmond 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 Richmond?

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.