Schuylkill County, PA radon potential

EPA's own radon map rates Schuylkill County zone 1 - highest potential, predicting a county-wide average indoor level above 4 pCi/L. Nationally that's the 96th percentile for radon potential — Schuylkill County outranks 96% of every county EPA has rated.

Where Schuylkill County sits nationally

Schuylkill County, Pennsylvania is home to about 144,523 people across 778.772 square miles. Population density there runs about 186 people per square mile. Within its own EPA zone, Schuylkill County is bigger by population than 87% of the counties that share it. Geologically, Schuylkill County is grouped into EPA Region 3 alongside 244 other counties that share its rock and soil setting.

What this actually means for a house in Schuylkill County

Schuylkill County carries a Zone 1 label because its predicted average clears 4 pCi/L outright — three-plus times the 0.4 pCi/L typical outdoors and above the 1.3 pCi/L most homes see. A Zone 1 rating means testing is worth doing sooner rather than later, but it is still county-wide average, not a reading for any single house — some homes in Schuylkill County will test well under the action level, and EPA's guidance is to test regardless of zone.

Testing and mitigation in Schuylkill County

A short-term test kit is the standard first step and typically costs far less than mitigation itself. If a test comes back at or above 4 pCi/L, a radon mitigation system for a typical home runs roughly $800–$2,500 (around $1,200 for a common single-family install), driven mainly by foundation type, not by county.

Find Pennsylvania's state radon program

For Schuylkill County, an ongoing number beats a one-time test - a Airthings radon monitor tracks Schuylkill County's levels over time. RadonZoneCheck earns a commission there, at no extra cost to you. Code RADONZONE-10OFF takes 10% off at checkout.

Where Schuylkill County's figures come from

The methodology guide shows exactly which EPA and Census sources feed Schuylkill County's numbers. Whatever zone Schuylkill County carries, the zone explainer covers what it does and doesn't tell you about any one house.