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Noblesville, IN Radon Levels

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


Noblesville, IN Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Hamilton County, IN
Zip Code 46060
Avg. User Level 7.00 pCi/L
User Tests 2

Current testing data shows Noblesville in Hamilton County averaging 7.0 pCi/L, significantly exceeding EPA action guidelines and requiring immediate homeowner attention. Located in the Indianapolis metro area, this established suburb features predominantly single-family homes built between the 1960s and 2000s, most with full basements that can trap radon effectively. The community spans zip codes 46060 and 46062, where underlying limestone bedrock and glacial till deposits create conditions highly favorable for radon accumulation.

7.00
pCi/L average
Above EPA Action Level

Based on 2 user-submitted radon tests for homes in Noblesville, IN. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Noblesville, IN Radon Mitigation

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

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Noblesville, IN Radon Levels

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

Radon LevelCityHome AgeFoundation
10 pCi/L Noblesville, IN 51-99 Years Full Basement
4 pCi/L Noblesville, IN 0-20 Years No Basement/All Slab

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

Radon FAQ for Noblesville, IN

What is the average radon level in Noblesville, IN?
Based on 2 user-submitted tests, the average radon level in Noblesville is 7.00 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 Noblesville in?
Noblesville and the 46060 zip code are in Hamilton 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 Noblesville?
Radon mitigation in Noblesville 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 Noblesville?
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 Indiana

Cities in Indiana with the most user-submitted radon test data, ranked by number of submissions.

CityAvg User Radon LevelSubmissions
Bloomington 8.14 pCi/L 7
Kokomo 7.40 pCi/L 5
Lafayette 15.00 pCi/L 3
Valparaiso 10.00 pCi/L 3
Westfield 6.33 pCi/L 3
Avon 6.00 pCi/L 3
West Lafayette 10.50 pCi/L 2
Dyer 9.50 pCi/L 2
Columbus 7.50 pCi/L 2
Noblesville 7.00 pCi/L 2