Old Lyme, CT Radon Levels
Check local Old Lyme radon levels and find certified testing and mitigation professionals to keep your home safe
Old Lyme, CT Radon Facts
Situated along the Connecticut River estuary in New London County, Old Lyme features complex geology including glacial deposits over crystalline bedrock. Testing data shows concerning average radon levels of 9.33 pCi/L, more than double the EPA action threshold of 4.0 pCi/L. The community's Zone 1 classification and varied housing stock make radon testing essential for zip code 06371 residents.
Based on 3 user-submitted radon tests for homes in Old Lyme, CT. The EPA recommends taking action at or above 4.0 pCi/L.
Old Lyme, CT Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
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Old Lyme, CT Radon Levels
User-submitted radon test readings from homes in the Old Lyme area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 7 pCi/L | Old Lyme, CT | 21-50 Years | Full Basement |
| 14 pCi/L | old lyme , CT | 21-50 Years | Full Basement |
Have a radon test result for Old Lyme? Submit your reading to help other homeowners.
Radon FAQ for Old Lyme, CT
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Most Active Radon Markets in Connecticut
Cities in Connecticut with the most user-submitted radon test data, ranked by number of submissions.
| City | Avg User Radon Level | Submissions |
|---|---|---|
| Hamden | 4.75 pCi/L | 4 |
| West Hartford | 4.25 pCi/L | 4 |
| Greenwich | 7.67 pCi/L | 3 |
| Norwalk | 7.00 pCi/L | 1 |
| Stamford | 5.00 pCi/L | 1 |
| Middletown | 4.00 pCi/L | 1 |
| Guilford | No submissions | 0 |
| Ridgefield | No submissions | 0 |