56%tests ≥ 4 pCi/L
33,421tests on record
5.1median pCi/L
Zone 1EPA zone (1993 prediction)

Test results in Lebanon County

ResultShareEPA guidance
Below 2 pCi/L30%Below EPA's levels
2 to 4 pCi/L14%Consider fixing
4 pCi/L or more56%EPA recommends fixing

What the data shows

Where Lebanon County sits among Pennsylvania's 67 counties with dataEach dot is a county's share of tests at or above 4 pCi/L · Pennsylvania county radon test results, 1986–2026
0%20%40%60%

How Lebanon County compares

Lebanon County has the highest share of high results among its neighboursShare of tests at or above 4 pCi/L · Pennsylvania county radon test results, 1986–2026 · whisker: 95% range
Lebanon County56%Lancaster County51%Schuylkill County49%Berks County48%Dauphin County43%Pennsylvania 34%
Data table
AreaTests ≥ 4 pCi/LTests
Lebanon County56%33,421
Lancaster County51%135,473
Schuylkill County49%24,206
Berks County48%92,641
Dauphin County43%96,897
Pennsylvania (67 counties)34%3,356,893

Same source as Lebanon County.

What it means for your home

More than half of all results in Lebanon County were at or above 4 pCi/L, where the EPA recommends a fix. Only a test shows your own home's level.

Levels in pCi/L from the EPA. The WHO reference level is 100 Bq/m³, about 2.7 pCi/L.

Test your home

Start with a short-term test (2–90 days) and confirm a result of 4 pCi/L or more with a second test. EPA guide

Sponsored: we earn a commission on purchases through these links. We haven't tested Airthings monitors yet.

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Fixing high radon

No local job records yet. National range: $800–$2,500, average $1,200 (EPA, 2003). Cost guide →

Pennsylvania licenses radon mitigators. Source

Buying or selling here

Pennsylvania's required Seller's Property Disclosure Statement asks whether the seller knows of hazardous substances on the property, including radon (49 Pa. Code § 35.335a). Source

Checked against the official text on 2026-11-03. Not legal advice.

About this data

Source: Pennsylvania county radon test results (Pennsylvania Department of Environmental Protection). Period: 1986–2026. Tests: 33,421. Read the methodology →

These are voluntary and real-estate tests, not a random sample of homes, so they describe tested homes rather than every home.

About this page

Published by Ray Roman, editor of Radon by County. Figures are loaded from the cited source and spot-checked against it. Editorial policy · About us