Byfield, MA Radon Levels

Q: What EPA Radon Zone is Byfield in?

Byfield is in Essex County, EPA Zone 1.

Q: How much does radon mitigation cost in Byfield?

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

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

Byfield, MA Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Essex County, MA

Zip Code 01922

This Essex County community north of Boston sits on New England's characteristic granite bedrock and glacial soils, which can contribute to elevated radon potential. The Boston Metro area's mix of colonial-era and modern homes presents varied foundation types throughout the 01922 zip code area. With testing data currently limited, homeowners should conduct professional radon testing to understand their specific exposure risk.

6.63

pCi/L area average

Above EPA Action Level

Essex County average: 6.63 pCi/L, based on 43 user-submitted tests across 25 cities in the county. No homeowner readings have been submitted for Byfield 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+

Byfield, 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 Byfield, MA

No homeowner tests have been submitted for Byfield 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
Georgetown	3.1 mi	7.00 pCi/L	1
Rowley	3.3 mi	8.00 pCi/L	1
Newburyport	4.6 mi	10.33 pCi/L	3
Merrimac	6.4 mi	5.50 pCi/L	2
Boxford	6.6 mi	6.67 pCi/L	3
Amesbury	6.8 mi	6.00 pCi/L	2
Haverhill	7.9 mi	5.00 pCi/L	2
Topsfield	8.0 mi	7.00 pCi/L	3

Essex County Radon Profile

Essex County falls in EPA Radon Zone 1, meaning the local uranium-bearing geology is predicted to drive average indoor radon screening levels above the EPA's 4 pCi/L action threshold. Homeowner-submitted tests from 25 cities in Essex County average 6.63 pCi/L across 43 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 Essex County to test, as levels can differ between neighboring homes.

Radon FAQ for Byfield, MA

What EPA Radon Zone is Byfield in?

Byfield and the 01922 zip code are in Essex County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

Why are radon readings shown from areas near Byfield?

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

Radon mitigation in Byfield 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 Byfield?

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.