Gray, ME Radon Mitigation and Testing

Q: What is the average radon level in Gray, ME?

Based on 1 user-submitted tests, the average radon level is 20.00 pCi/L.

Q: What EPA Radon Zone is Gray in?

Gray is in Cumberland County, EPA Zone 1.

Q: How much does radon mitigation cost in Gray?

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

Avg: 20.00 pCi/L

Cumberland County

EPA Zone 1

1 user test

Positioned in Cumberland County within the Portland metropolitan area, Gray demonstrates Maine's high radon potential with a concerning average level of 20.0 pCi/L from recent testing. This reading significantly exceeds the EPA action level, reflecting the influence of granite bedrock and glacial deposits that characterize much of southern Maine. Residents of zip code 04039 should prioritize radon testing and mitigation, as the area's geological conditions consistently produce elevated radon levels in residential properties.

20.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Gray, ME Radon Mitigation

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

Gray, ME Radon Testing

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

Gray, Maine Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
20 pCi/L	Gray, ME	21-50 Years	Full Basement	Oct 2023

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

Gray Radon Facts

Key details about the radon risk profile for Gray and the 04039 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Cumberland County, ME

Zip Code

04039

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

20.00 pCi/L

User Tests Submitted

Gray and the 04039 zip code are located in Cumberland 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 Gray, ME

What is the average radon level in Gray, ME?

Based on 1 user-submitted test, the average radon level in Gray is 20.00 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 Gray in?

Gray and the 04039 zip code are in Cumberland 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 Gray?

Radon mitigation in Gray 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 Gray?

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 Maine

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

City	Avg User Radon Level	Submissions
Rumford	5.67 pCi/L	3
York	8.50 pCi/L	2
Saco	7.50 pCi/L	2
Hampden	4.50 pCi/L	2
Scarborough	14.00 pCi/L	1
Kittery	12.00 pCi/L	1
South Portland	10.00 pCi/L	1
Portland	4.00 pCi/L	1