Gratz, PA Radon Levels
Check local Gratz radon levels and find certified testing and mitigation professionals to keep your home safe
Gratz, PA Radon Facts
Located in Dauphin County within the Harrisburg Metro area, Gratz sits in zip code 17030 where Appalachian ridge and valley geology creates varied radon potential across the landscape. The community's housing mix includes both historic homes dating to Pennsylvania German settlement and newer suburban construction, many featuring full basements typical of south-central Pennsylvania building practices. Radon testing data is currently limited, making individual home testing advisable for all residents.
Dauphin County average: 13.00 pCi/L, based on 1 user-submitted test across 1 city in the county. No homeowner readings have been submitted for Gratz itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.
Gratz, PA Radon Mitigation
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Radon Readings Near Gratz, PA
No homeowner tests have been submitted for Gratz yet. The closest cities with user-submitted radon data are shown below — explore them to gauge local conditions. Radon varies by home, so testing is the only way to know your level.
| City | Distance | Avg User Level | Readings |
|---|---|---|---|
| Valley View | 10.4 mi | 20.00 pCi/L | 1 |
| Coal Township | 16.0 mi | 8.00 pCi/L | 1 |
| Selinsgrove | 16.3 mi | 11.00 pCi/L | 1 |
| Shamokin Dam | 17.0 mi | 7.00 pCi/L | 2 |
| Annville | 20.8 mi | 14.00 pCi/L | 1 |
| Mount Carmel | 21.1 mi | 20.00 pCi/L | 1 |
| Pine Grove | 21.7 mi | 20.00 pCi/L | 1 |
| Harrisburg | 23.7 mi | 13.00 pCi/L | 1 |
Dauphin County Radon Profile
Because of its underlying geology, Dauphin County is mapped as EPA Radon Zone 1 — the most elevated classification — where predicted indoor screening averages exceed 4 pCi/L. Homeowner-submitted tests from 1 city in Dauphin County average 13.00 pCi/L across 1 test — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Dauphin County home regardless of zone or a neighbor's results.