Higganum, CT Radon Mitigation and Testing

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

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

Q: What EPA Radon Zone is Higganum in?

Higganum is in Middlesex County, EPA Zone 1.

Q: How much does radon mitigation cost in Higganum?

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

Middlesex County

EPA Zone 1

1 user test

Situated in Middlesex County at zip code 06441, Higganum sits in Connecticut's Connecticut River valley where glacial deposits over crystalline bedrock create variable radon conditions. Based on available data, the community shows an average radon level of 4.0 pCi/L, which meets the EPA action threshold. With the area's mix of older New England homes and newer construction, continued testing remains important for all residents.

4.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Higganum, CT Radon Mitigation

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

Higganum, CT Radon Testing

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

Higganum, Connecticut Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
4 pCi/L	Higganum, CT	21-50 Years	Full Basement	May 2023

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

Higganum Radon Facts

Key details about the radon risk profile for Higganum and the 06441 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Middlesex County, CT

Zip Code

06441

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

4.00 pCi/L

User Tests Submitted

Higganum and the 06441 zip code are located in Middlesex County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Higganum, CT

What is the average radon level in Higganum, CT?

Based on 1 user-submitted test, the average radon level in Higganum 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 Higganum in?

Higganum and the 06441 zip code are in Middlesex 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 Higganum?

Radon mitigation in Higganum 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 Higganum?

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