Granville, MA Radon Levels

Q: What EPA Radon Zone is Granville in?

Granville is in Hampden County, EPA Zone 2.

Q: How much does radon mitigation cost in Granville?

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

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

Granville, MA Radon Facts

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

County Hampden County, MA

Zip Code 01034

Found in Hampden County in western Massachusetts within the Springfield Metro area, Granville sits on metamorphic bedrock formations typical of the Berkshire foothills region. Although comprehensive radon data for zip code 01034 is not currently available, Massachusetts geology can produce variable radon levels depending on local rock types. Testing is recommended for all homes in Granville, especially older New England properties with stone foundations or full basements.

7.10

pCi/L area average

Above EPA Action Level

Hampden County average: 7.10 pCi/L, based on 10 user-submitted tests across 7 cities in the county. No homeowner readings have been submitted for Granville 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+

Granville, MA 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 Granville, MA

No homeowner tests have been submitted for Granville 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
Westfield	10.4 mi	6.33 pCi/L	3
West Springfield	15.9 mi	7.00 pCi/L	1
Easthampton	18.0 mi	6.00 pCi/L	1
Chicopee	19.5 mi	9.00 pCi/L	1
Florence	19.6 mi	6.83 pCi/L	6
Springfield	20.3 mi	4.00 pCi/L	1
South Hadley	20.9 mi	6.50 pCi/L	2
Leeds	21.0 mi	5.00 pCi/L	2

Hampden County Radon Profile

The soils and bedrock of Hampden County place it in EPA Radon Zone 2, a moderate-risk classification with predicted indoor averages of 2 to 4 pCi/L. Homeowner-submitted tests from 7 cities in Hampden County average 7.10 pCi/L across 10 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Hampden County to test, as levels can differ between neighboring homes.

Radon FAQ for Granville, MA

What EPA Radon Zone is Granville in?

Granville and the 01034 zip code are in Hampden 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 Granville?

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

Radon mitigation in Granville 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 Granville?

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.