Is radon high in ZIP 46350?

High. The model's predicted long-term basement average for ZIP 46350 is 4.0 pCi/L (SD 0.10), with above-ground floors at 1.4 pCi/L. That is about 1.8× the average US ZIP code (2.2) and about 1.5× the LaPorte County average of 2.6. It ranks 1 of 10 ZIPs in the county.

Do I need to test my home in 46350?

Yes, now. A predicted average at or above the EPA action level of 4 pCi/L means most homes in 46350 would qualify for mitigation. Use a short-term charcoal kit or a continuous monitor; if the result is 4 or higher, get bids for a mitigation system (typically $800-$2,500).

What EPA radon zone is ZIP 46350 in?

ZIP 46350 lies mostly in LaPorte County, which the EPA classifies as Radon Zone 2 (moderate potential (2-4 pCi/L)). Zones are county-wide and date from 1993; the ZIP-level prediction above is from a 2001-2021 model built on millions of tests.

Radon levels in ZIP 46350

HighEPA Zone 2

ZIP 46350 (LaPorte County, Indiana): predicted long-term basement average of 4.0 pCi/L (model estimate), about 1.8× the average US ZIP (2.2) and about 1.7× the Indiana average (2.3). This is the most populous ZIP in LaPorte County.

Test ZIP 46350 now - and consider a continuous monitor

The model predicts a long-term basement average of 4.0 pCi/L here, at or above the EPA action level of 4. Homes in the same ZIP still vary widely, so a real test is the only way to know your number. A continuous digital monitor shows how your level swings with weather and season, which matters when you're near the action level.

Get a continuous radon monitor →Or start with a short-term test kit

Already tested at 4 pCi/L or higher? Find a certified mitigation professional (EPA). A mitigation system typically runs $800-$2,500 installed.

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Predicted (model estimate). The pCi/L figures on this page are long-term area averages from a peer-reviewed national model built on millions of real radon tests (2001-2021). They describe the typical home in this area - not your home, which can be several times higher or lower. The EPA radon zone is a separate, 1993 county-level classification. How the numbers work.

4.0 ± 0.10

pCi/L predicted basement mean (model SD)

1.4 ± 0.08

pCi/L predicted upstairs mean

3.3 ± 0.10

pCi/L predicted typical screening test

How 46350 compares

Within LaPorte County, ZIP 46350 ranks #1 of 10 ZIPs by predicted basement level; the county average is 2.6 pCi/L and its ZIPs run from 1.5 to 4.0. The county is EPA Radon Zone 2. About 43,650 people lived in this ZIP at the 2010 Census.

A screening test in a typical 46350 home is predicted at 3.3 pCi/L, so first-floor living space - not just the basement - can exceed the action level here. Mitigation systems are routine in this range and typically cost $800-$2,500.

Other ZIP codes in LaPorte County

463601.5
463912.2
465742.0
463712.2
463901.9
463821.9
463401.8
463651.6
463481.8

ZIP 46350 radon questions

Is radon high in ZIP 46350?: High. The model's predicted long-term basement average for ZIP 46350 is 4.0 pCi/L (SD 0.10), with above-ground floors at 1.4 pCi/L. That is about 1.8× the average US ZIP code (2.2) and about 1.5× the LaPorte County average of 2.6. It ranks 1 of 10 ZIPs in the county.
Do I need to test my home in 46350?: Yes, now. A predicted average at or above the EPA action level of 4 pCi/L means most homes in 46350 would qualify for mitigation. Use a short-term charcoal kit or a continuous monitor; if the result is 4 or higher, get bids for a mitigation system (typically $800-$2,500).
What EPA radon zone is ZIP 46350 in?: ZIP 46350 lies mostly in LaPorte County, which the EPA classifies as Radon Zone 2 (moderate potential (2-4 pCi/L)). Zones are county-wide and date from 1993; the ZIP-level prediction above is from a 2001-2021 model built on millions of tests.

ZIP pages are generated for ZIPs predicted at or above 2.5 pCi/L and for the most populous ZIP in each county; all other ZIPs appear in their county table. Methodology.