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Tewksbury, MA Radon Levels

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


Tewksbury, MA Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Middlesex County, MA
Zip Code 01876
Avg. User Level 4.30 pCi/L
User Tests 3

Located in Middlesex County within the Boston Metro area, Tewksbury has recorded an average radon level of 4.33 pCi/L, which slightly exceeds the EPA action level. The town's glacial till soils and underlying bedrock create conditions typical of eastern Massachusetts, where radon levels can vary significantly between neighborhoods. Given these readings and the area's geological makeup, homeowners should test regularly and consider mitigation when levels exceed safe thresholds.

4.30
pCi/L average
Above EPA Action Level

Based on 3 user-submitted radon tests for homes in Tewksbury, MA. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Tewksbury, MA Radon Mitigation

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

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Tewksbury, MA Radon Levels

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

Radon LevelCityHome AgeFoundation
4 pCi/L Tewksbury, MA 51-99 Years Full Basement
5 pCi/L Tewksbury, MA 0-20 Years Full Basement

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

Radon Readings Near Tewksbury, MA

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

CityDistanceAvg User LevelReadings
North Billerica 3.9 mi 6.50 pCi/L 2
Wilmington 4.0 mi 5.00 pCi/L 2
Andover 4.7 mi 10.00 pCi/L 1
Lowell 5.6 mi 3.00 pCi/L 2
Burlington 6.6 mi 5.50 pCi/L 2
North Reading 6.7 mi 13.50 pCi/L 2
Chelmsford 6.8 mi 11.50 pCi/L 4
Dracut 7.0 mi 13.00 pCi/L 1

Middlesex County Radon Profile

The bedrock and soils beneath Middlesex County are classified by the EPA as Radon Zone 1, the highest-risk tier, with predicted average indoor screening levels above 4 pCi/L. Homeowner-submitted tests from 46 cities in Middlesex County average 7.28 pCi/L across 90 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Middlesex County.

Radon FAQ for Tewksbury, MA

What is the average radon level in Tewksbury, MA?
Based on 3 user-submitted tests, the average radon level in Tewksbury is 4.30 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 Tewksbury in?
Tewksbury and the 01876 zip code are in Middlesex 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 Tewksbury?
Radon mitigation in Tewksbury 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 Tewksbury?
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.