Is radon high in ZIP 76458?

Moderate. The model's predicted long-term basement average for ZIP 76458 is 2.1 pCi/L (SD 0.07), with above-ground floors at 0.9 pCi/L. That is close to the average US ZIP code (2.2) and close to the Jack County average of 2.1. It ranks 1 of 4 ZIPs in the county.

Do I need to test my home in 76458?

Yes. 76458's predicted average falls in the EPA's 2-4 pCi/L "consider fixing" band, and a meaningful share of individual homes in such areas test above 4. Test with a short-term kit and confirm anything at 2 or higher with a long-term test.

What EPA radon zone is ZIP 76458 in?

ZIP 76458 lies mostly in Jack County, which the EPA classifies as Radon Zone 3 (low potential (< 2 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 76458

ModerateEPA Zone 3

ZIP 76458 (Jack County, Texas): predicted long-term basement average of 2.1 pCi/L (model estimate), close to the average US ZIP (2.2) and about 1.4× the Texas average (1.5). This is the most populous ZIP in Jack County.

Test ZIP 76458 - the EPA says "consider fixing" in this range

The predicted basement average here is 2.1 pCi/L, in the 2-4 pCi/L band where the EPA recommends considering mitigation. Plenty of individual homes in a moderate area test above 4. Start with a short-term test; if it comes back at 2 or higher, follow up with a long-term test or a continuous monitor.

Get a short-term test kit →Or track it with a continuous monitor

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.

2.1 ± 0.07

pCi/L predicted basement mean (model SD)

0.9 ± 0.06

pCi/L predicted upstairs mean

1.0 ± 0.06

pCi/L predicted typical screening test

How 76458 compares

Within Jack County, ZIP 76458 ranks #1 of 4 ZIPs by predicted basement level; the county average is 2.1 pCi/L and its ZIPs run from 1.8 to 2.1. The county is EPA Radon Zone 3. About 6,261 people lived in this ZIP at the 2010 Census.

Above-ground floors are predicted at 0.9 pCi/L, below the action level, while basements sit in the 2-4 band. If you spend time in a finished basement, test there first.

Other ZIP codes in Jack County

764862.0
764271.9
764591.8

ZIP 76458 radon questions

Is radon high in ZIP 76458?: Moderate. The model's predicted long-term basement average for ZIP 76458 is 2.1 pCi/L (SD 0.07), with above-ground floors at 0.9 pCi/L. That is close to the average US ZIP code (2.2) and close to the Jack County average of 2.1. It ranks 1 of 4 ZIPs in the county.
Do I need to test my home in 76458?: Yes. 76458's predicted average falls in the EPA's 2-4 pCi/L "consider fixing" band, and a meaningful share of individual homes in such areas test above 4. Test with a short-term kit and confirm anything at 2 or higher with a long-term test.
What EPA radon zone is ZIP 76458 in?: ZIP 76458 lies mostly in Jack County, which the EPA classifies as Radon Zone 3 (low potential (< 2 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.