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Waterville, ME Radon Levels

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


Waterville, ME Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Kennebec County, ME
Zip Code 04901
Avg. User Level 4.00 pCi/L
User Tests 1

Situated in Kennebec County in central Maine, Waterville has recorded an average radon level of 4.0 pCi/L, right at the EPA action threshold. The single test result from zip code 04901 suggests that while some homes may be within acceptable ranges, continued testing remains important. Maine's granite bedrock and varied foundation types can produce unpredictable radon patterns.

4.00
pCi/L average
Above EPA Action Level

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

0
4.0 EPA
10+

Waterville, ME Radon Mitigation

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

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Waterville, ME Radon Levels

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

Radon LevelCityHome AgeFoundation
4 pCi/L Waterville, ME 21-50 Years Full Basement

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

Radon FAQ for Waterville, ME

What is the average radon level in Waterville, ME?
Based on 1 user-submitted test, the average radon level in Waterville 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 Waterville in?
Waterville and the 04901 zip code are in Kennebec 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 Waterville?
Radon mitigation in Waterville 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 Waterville?
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 in Maine with the most user-submitted radon test data, ranked by number of submissions.

CityAvg User Radon LevelSubmissions
Rumford 6.00 pCi/L 4
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