Positioned in Sullivan County along the Connecticut River valley, Newport has recorded an average radon level of 11.0 pCi/L, nearly three times the EPA's 4.0 pCi/L action threshold. This elevated reading reflects the region's complex geology of metamorphic bedrock and glacial deposits that create significant radon production potential. Residents in zip code 03773 should prioritize radon mitigation, as the area's geological composition and typical New England basement construction create ideal conditions for radon accumulation.
11.00
pCi/L average
Above EPA Action Level
Based on 2 user-submitted radon tests for homes in Newport, NH. The EPA recommends taking action at or above 4.0 pCi/L.
0
4.0 EPA
10+
Newport, NH Radon Mitigation
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User-submitted radon test readings from homes in the Newport area.
Radon Level
City
Home Age
Foundation
16 pCi/L
Newport, NH
21-50 Years
Full Basement
6 pCi/L
Newport, NH
51-99 Years
Full Basement
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Radon FAQ for Newport, NH
What is the average radon level in Newport, NH?
Based on 2 user-submitted tests, the average radon level in Newport 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 Newport in?
Newport and the 03773 zip code are in Sullivan 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 Newport?
Radon mitigation in Newport 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 Newport?
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.
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