East Lyme, CT Radon Levels

Q: What is the average radon level in East Lyme, CT?

Based on 1 user-submitted tests, the average radon level is 13.00 pCi/L.

Q: What EPA Radon Zone is East Lyme in?

East Lyme is in New London County, EPA Zone 1.

Q: How much does radon mitigation cost in East Lyme?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

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

East Lyme, CT Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County New London County, CT

Zip Code 06333

Avg. User Level 13.00 pCi/L

User Tests 1

Coastal New London County encompasses East Lyme, where the 06333 area sits on glacial deposits and coastal plain sediments near Long Island Sound. Since radon testing data remains limited for this shoreline community, residents should consider individual testing to assess indoor air quality. The area's housing includes both seasonal and year-round homes with various foundation configurations.

13.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

East 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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Radon FAQ for East Lyme, CT

What is the average radon level in East Lyme, CT?

Based on 1 user-submitted test, the average radon level in East Lyme is 13.00 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 East Lyme in?

East Lyme and the 06333 zip code are in New London 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 East Lyme?

Radon mitigation in East Lyme 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 East Lyme?

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.

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