North Grosvenordale, CT Radon Mitigation and Testing

Q: What is the average radon level in North Grosvenordale, CT?

Based on 1 user-submitted tests, the average radon level is 4.00 pCi/L.

Q: What EPA Radon Zone is North Grosvenordale in?

North Grosvenordale is in Windham County, EPA Zone 2.

Q: How much does radon mitigation cost in North Grosvenordale?

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

Avg: 4.00 pCi/L

Windham County

EPA Zone 2

1 user test

Positioned in northeastern Connecticut's Windham County, North Grosvenordale sits where New England's glacial deposits over metamorphic bedrock influence indoor radon levels. Recent testing data from zip code 06255 shows an average radon level of 4.0 pCi/L, right at the EPA action threshold. The community's historic mill town housing and newer residential properties, many featuring basement foundations, should be monitored regularly for radon accumulation.

4.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

North Grosvenordale, CT Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

North Grosvenordale, CT Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

North Grosvenordale, Connecticut Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
4 pCi/L	North Grosvenordale, CT	21-50 Years	Full Basement	Apr 2024

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

North Grosvenordale Radon Facts

Key details about the radon risk profile for North Grosvenordale and the 06255 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Windham County, CT

Zip Code

06255

Predicted Screening Level

2–4 pCi/L (Zone 2)

Avg. User Submitted Level

4.00 pCi/L

User Tests Submitted

North Grosvenordale and the 06255 zip code are located in Windham County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for North Grosvenordale, CT

What is the average radon level in North Grosvenordale, CT?

Based on 1 user-submitted test, the average radon level in North Grosvenordale is 4.00 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 North Grosvenordale in?

North Grosvenordale and the 06255 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 North Grosvenordale?

Radon mitigation in North Grosvenordale 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 North Grosvenordale?

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 with the most user-submitted radon test data in the state.

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