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Merrimac, MA Radon Levels

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


Merrimac, MA Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Essex County, MA
Zip Code 01860
Avg. User Level 5.50 pCi/L
User Tests 2

Located in Essex County north of Boston, Merrimac records an average radon level of 5.5 pCi/L from 2 tests, exceeding the EPA action level in zip code 01860. The community's position over New England's glacial deposits and granite bedrock contributes to elevated readings that demand homeowner attention. Historic homes and newer construction alike in this Boston Metro area can experience radon accumulation, making testing and mitigation planning essential for resident safety.

5.50
pCi/L average
Above EPA Action Level

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

0
4.0 EPA
10+

Merrimac, MA Radon Mitigation

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Merrimac, MA Radon Levels

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

Radon LevelCityHome AgeFoundation
4 pCi/L Merrimac, MA 21-50 Years Full Basement
7 pCi/L Merrimac, MA 100+ Years Full Basement

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

Radon Readings Near Merrimac, MA

Compare radon levels in Merrimac with the closest nearby cities that have user-submitted test data.

CityDistanceAvg User LevelReadings
Amesbury 3.7 mi 6.00 pCi/L 2
Haverhill 6.0 mi 5.00 pCi/L 2
Newburyport 6.3 mi 10.33 pCi/L 3
Georgetown 7.4 mi 7.00 pCi/L 1
Rowley 9.7 mi 8.00 pCi/L 1
Boxford 10.7 mi 6.67 pCi/L 3
Methuen 11.6 mi 6.00 pCi/L 1
North Andover 11.8 mi 11.67 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 Merrimac, MA

What is the average radon level in Merrimac, MA?
Based on 2 user-submitted tests, the average radon level in Merrimac is 5.50 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 Merrimac in?
Merrimac and the 01860 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.
How much does radon mitigation cost in Merrimac?
Radon mitigation in Merrimac 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 Merrimac?
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.