Chester, MA Radon Levels

Q: What EPA Radon Zone is Chester in?

Chester is in Hampden County, EPA Zone 2.

Q: How much does radon mitigation cost in Chester?

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

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

Chester, MA Radon Facts

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

County Hampden County, MA

Zip Code 01011

Chester in Hampden County occupies the hills of western Massachusetts where metamorphic bedrock and glacial deposits create moderate radon potential within the Northampton Metro region. Testing data remains limited for this rural community, making professional radon assessment important for homeowners throughout the area. The region's combination of older New England homes and newer construction can present different radon entry and accumulation characteristics.

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 Chester 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+

Chester, MA Radon Mitigation

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

Need Radon Mitigation or Testing in Chester?

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Radon Readings Near Chester, MA

No homeowner tests have been submitted for Chester 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
Goshen	14.7 mi	12.00 pCi/L	1
Florence	15.4 mi	6.83 pCi/L	6
Leeds	15.5 mi	5.00 pCi/L	2
Lenox	15.6 mi	7.00 pCi/L	1
Dalton	16.1 mi	7.00 pCi/L	1
Haydenville	16.2 mi	4.00 pCi/L	1
Westfield	16.2 mi	6.33 pCi/L	3
Easthampton	16.4 mi	6.00 pCi/L	1

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 Chester, MA

What EPA Radon Zone is Chester in?

Chester and the 01011 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 Chester?

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

Radon mitigation in Chester 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 Chester?

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.