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Southbridge, MA Radon Levels

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


Southbridge, MA Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Worcester County, MA
Zip Code 01550
Avg. User Level 4.00 pCi/L
User Tests 1

Located in Worcester County within the Worcester Metro area, Southbridge shows an average radon level of 4.0 pCi/L based on recent testing data. While this reading equals the EPA action threshold, individual homes in this historic mill town can vary significantly, making professional radon testing essential.

4.00
pCi/L average
Above EPA Action Level

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

0
4.0 EPA
10+

Southbridge, MA Radon Mitigation

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

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Southbridge, MA Radon Levels

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

Radon LevelCityHome AgeFoundation
4 pCi/L Southbridge, MA 100+ Years

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

Radon Readings Near Southbridge, MA

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

CityDistanceAvg User LevelReadings
Charlton 5.6 mi 13.00 pCi/L 1
Webster 9.7 mi 6.50 pCi/L 2
Leicester 12.7 mi 9.00 pCi/L 1
Auburn 13.5 mi 7.00 pCi/L 1
Douglas 14.7 mi 12.00 pCi/L 4
Monson 14.7 mi 3.00 pCi/L 2
Millbury 16.2 mi 4.00 pCi/L 1
Palmer 16.6 mi 20.00 pCi/L 1

Worcester County Radon Profile

The bedrock and soils beneath Worcester 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 28 cities in Worcester County average 9.12 pCi/L across 41 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 Worcester County.

Radon FAQ for Southbridge, MA

What is the average radon level in Southbridge, MA?
Based on 1 user-submitted test, the average radon level in Southbridge is 4.00 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 Southbridge in?
Southbridge and the 01550 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 Southbridge?
Radon mitigation in Southbridge 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 Southbridge?
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.