Norwell, MA Radon Mitigation and Testing

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

Based on 1 user-submitted tests, the average radon level is 20.00 pCi/L.

Q: What EPA Radon Zone is Norwell in?

Norwell is in Plymouth County, EPA Zone 2.

Q: How much does radon mitigation cost in Norwell?

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

Avg: 20.00 pCi/L

Plymouth County

EPA Zone 2

1 user test

Positioned in Plymouth County on Massachusetts' South Shore, Norwell shows a notably high average radon level of 20.0 pCi/L from available testing. This reading significantly exceeds the EPA's 4.0 pCi/L action threshold, indicating serious radon concerns for the 02061 area within the Boston Metro region. The community's granite bedrock and traditional New England housing with basements create conditions where radon mitigation systems are likely necessary for many homes.

20.00

pCi/L average

Above EPA Action Level

Based on 1 user-submitted radon test for homes in Norwell, MA. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Norwell, MA Radon Mitigation

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

Norwell, MA Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Norwell, Massachusetts Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
20 pCi/L	Norwell, MA	0-20 Years	Full Basement	Sep 2024

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

Norwell Radon Facts

Key details about the radon risk profile for Norwell and the 02061 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Plymouth County, MA

Zip Code

02061

Predicted Screening Level

2–4 pCi/L (Zone 2)

Avg. User Submitted Level

20.00 pCi/L

User Tests Submitted

Norwell and the 02061 zip code are located in Plymouth County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Norwell, MA

What is the average radon level in Norwell, MA?

Based on 1 user-submitted test, the average radon level in Norwell is 20.00 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 Norwell in?

Norwell and the 02061 zip code are in Plymouth 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 Norwell?

Radon mitigation in Norwell 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 Norwell?

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.

Most Active Radon Markets in Massachusetts

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Littleton	9.40 pCi/L	5
Gloucester	8.40 pCi/L	5
Florence	7.40 pCi/L	5
Douglas	12.00 pCi/L	4
Weymouth	8.50 pCi/L	4
Mashpee	5.00 pCi/L	4
Natick	5.00 pCi/L	4
Worcester	17.67 pCi/L	3
Attleboro	10.00 pCi/L	3
Stoneham	9.67 pCi/L	3
Hopkinton	9.33 pCi/L	3
Medford	8.00 pCi/L	3
Boxford	6.67 pCi/L	3
Reading	5.67 pCi/L	3
Haverhill	5.00 pCi/L	3
Melrose	5.00 pCi/L	3
Somerville	4.33 pCi/L	3
Woburn	19.00 pCi/L	2
Marlborough	13.50 pCi/L	2
Cohasset	11.50 pCi/L	2