Northfield, MA Radon Levels

Q: What is the average radon level in Northfield, MA?

Based on 2 user-submitted tests, the average radon level is 12.00 pCi/L.

Q: What EPA Radon Zone is Northfield in?

Northfield is in Franklin County, EPA Zone 2.

Q: How much does radon mitigation cost in Northfield?

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

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

Northfield, MA Radon Facts

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

County Franklin County, MA

Zip Code 01360

Avg. User Level 12.00 pCi/L

User Tests 2

Northfield in Franklin County demonstrates elevated radon levels with an average of 12.0 pCi/L, significantly exceeding the EPA's 4.0 pCi/L action threshold. This Connecticut River valley community sits above complex New England bedrock that includes uranium-bearing formations, contributing to substantial radon production. Homeowners in zip code 01360 should prioritize immediate radon mitigation, particularly in basement and lower-level living areas.

12.00

pCi/L average

Above EPA Action Level

Based on 2 user-submitted radon tests for homes in Northfield, MA. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Northfield, MA Radon Mitigation

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

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Northfield, Massachusetts Radon Levels

User-submitted radon test readings from homes in the Northfield area.

Radon Level	City	Home Age	Foundation	Submitted
10 pCi/L	Northfield, MA	0-20 Years	Full Basement	Jun 2017
14 pCi/L	Northfield, MA	0-20 Years	Full Basement	Feb 2016

Have a radon test result for Northfield? Submit your reading to help other homeowners.

Franklin County Radon Profile

EPA mapping assigns Franklin 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 6 cities in Franklin County average 9.13 pCi/L across 8 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 Franklin County home regardless of zone or a neighbor's results.

Radon FAQ for Northfield, MA

What is the average radon level in Northfield, MA?

Based on 2 user-submitted tests, the average radon level in Northfield is 12.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.

What EPA Radon Zone is Northfield in?

Northfield and the 01360 zip code are in Franklin 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.

How much does radon mitigation cost in Northfield?

Radon mitigation in Northfield 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 Northfield?

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.

Radon Levels Near Northfield, MA

User-submitted radon levels from the cities closest to Northfield with recorded test data. Explore nearby communities to compare local readings.

City	Distance	Avg User Level	Submissions
Greenfield	10.6 mi	17.00 pCi/L	1
Athol	13.1 mi	9.00 pCi/L	1
New Salem	14.1 mi	10.00 pCi/L	1
Leverett	15.4 mi	9.00 pCi/L	1
Sunderland	17.3 mi	4.50 pCi/L	2
Conway	17.6 mi	4.00 pCi/L	1
Winchendon	20.5 mi	4.00 pCi/L	1
Amherst	22.2 mi	6.00 pCi/L	2