Lebanon in Grafton County recorded an alarming radon level of 20.0 pCi/L, five times higher than the EPA action threshold for zip code 03766. The Connecticut River valley's granite bedrock and glacial deposits create ideal conditions for significant radon accumulation in the region's basement-equipped homes. Immediate testing and professional mitigation are strongly recommended for all residents given this documented extreme reading.
20.00
pCi/L average
Above EPA Action Level
Based on 1 user-submitted radon test for homes in Lebanon, NH. The EPA recommends taking action at or above 4.0 pCi/L.
0
4.0 EPA
10+
Lebanon, NH Radon Mitigation
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User-submitted radon test readings from homes in the Lebanon area.
Radon Level
City
Home Age
Foundation
20 pCi/L
Lebanon, NH
21-50 Years
Partial Basement
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Radon FAQ for Lebanon, NH
What is the average radon level in Lebanon, NH?
Based on 1 user-submitted test, the average radon level in Lebanon is 20.00 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 Lebanon in?
Lebanon and the 03766 zip code are in Grafton 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 Lebanon?
Radon mitigation in Lebanon 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 Lebanon?
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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