Clarksville, MI Radon Levels

Q: What EPA Radon Zone is Clarksville in?

Clarksville is in Ionia County, EPA Zone 2.

Q: How much does radon mitigation cost in Clarksville?

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

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

Clarksville, MI Radon Facts

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

County Ionia County, MI

Zip Code 48815

Positioned in Ionia County within Michigan's Grand Rapids Metro area, Clarksville experiences the state's typical glacial geology that can trap radon in sandy till deposits. EPA Zone 2 classification indicates moderate radon potential throughout the region. With limited local testing data available for this area, residents should conduct their own radon measurements, especially in homes with basements built into Michigan's glacial soils.

4.00

pCi/L area average

Above EPA Action Level

Ionia County average: 4.00 pCi/L, based on 1 user-submitted test across 1 city in the county. No homeowner readings have been submitted for Clarksville 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+

Clarksville, MI 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 Clarksville, MI

No homeowner tests have been submitted for Clarksville 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
Saranac	7.7 mi	4.00 pCi/L	1
Sunfield	14.2 mi	6.00 pCi/L	1
Grand Rapids	21.7 mi	3.00 pCi/L	1
Byron Center	23.6 mi	4.00 pCi/L	1
Rockford	23.8 mi	5.00 pCi/L	1
Wyoming	24.0 mi	4.00 pCi/L	1
Grand Ledge	26.5 mi	7.00 pCi/L	2
Charlotte	27.7 mi	12.00 pCi/L	2

Ionia County Radon Profile

EPA mapping assigns Ionia 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 1 city in Ionia County average 4.00 pCi/L across 1 test — 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 Ionia County home regardless of zone or a neighbor's results.

Radon FAQ for Clarksville, MI

What EPA Radon Zone is Clarksville in?

Clarksville and the 48815 zip code are in Ionia 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 Clarksville?

No homeowner radon tests have been submitted for Clarksville yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Ionia County average—are the best available indicator of local conditions until Clarksville 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 Clarksville?

Radon mitigation in Clarksville 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 Clarksville?

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.