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Dayville, CT Radon Levels

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


Dayville, CT Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)
County Windham County, CT
Zip Code 06241
Avg. User Level 14.00 pCi/L
User Tests 1

Dayville in Windham County shows concerning radon levels, with an average reading of 14.0 pCi/L that significantly exceeds the EPA's 4.0 pCi/L action threshold. This elevated reading reflects the area's granite bedrock and glacial till soils, which can produce substantial radon concentrations in Connecticut's northeastern hills. Homes in zip code 06241, particularly those with basements in older New England construction, should prioritize radon testing and mitigation.

14.00
pCi/L average
Above EPA Action Level

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

0
4.0 EPA
10+

Dayville, CT Radon Mitigation

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Dayville, CT Radon Levels

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

Radon LevelCityHome AgeFoundation
14 pCi/L Dayville, CT 21-50 Years Full Basement

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

Radon FAQ for Dayville, CT

What is the average radon level in Dayville, CT?
Based on 1 user-submitted test, the average radon level in Dayville is 14.00 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 Dayville in?
Dayville and the 06241 zip code are in Windham 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 Dayville?
Radon mitigation in Dayville 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 Dayville?
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.

CityAvg User Radon LevelSubmissions
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