Grafton, MA Radon Mitigation and Testing

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

Based on 1 user-submitted tests, the average radon level is 11.00 pCi/L.

Q: What EPA Radon Zone is Grafton in?

Grafton is in Worcester County, EPA Zone 1.

Q: How much does radon mitigation cost in Grafton?

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

Avg: 11.00 pCi/L

Worcester County

EPA Zone 1

1 user test

Located in Worcester County within the Worcester Metro area, Grafton has measured an average radon level of 11.0 pCi/L — well above EPA action thresholds. The community sits atop crystalline bedrock of the New England Upland, where granite and metamorphic rocks create significant radon potential throughout central Massachusetts. Colonial-era and Victorian homes common to zip code 01519 often feature stone foundations that can facilitate radon entry from uranium-bearing bedrock.

11.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Grafton, MA Radon Mitigation

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

Grafton, MA Radon Testing

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

Grafton, Massachusetts Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
11 pCi/L	Grafton, MA	21-50 Years	Full Basement	Dec 2015

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

Grafton Radon Facts

Key details about the radon risk profile for Grafton and the 01519 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Worcester County, MA

Zip Code

01519

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

11.00 pCi/L

User Tests Submitted

Grafton and the 01519 zip code are located in Worcester County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Grafton, MA

What is the average radon level in Grafton, MA?

Based on 1 user-submitted test, the average radon level in Grafton is 11.00 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 Grafton in?

Grafton and the 01519 zip code are in Worcester 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.

How much does radon mitigation cost in Grafton?

Radon mitigation in Grafton 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 Grafton?

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