Briscoe County, TX radon potential
EPA places Briscoe County in Zone 3 - Low Potential — a predicted county-wide average indoor radon level below 2 pCi/L, based on the geology, soil and aerial radioactivity data behind EPA's national map. Rank it against the rest of the country and Briscoe County lands in the 1st percentile for radon potential.
How Briscoe County compares
Briscoe County, Texas is home to about 1,494 people across 900.001 square miles. That works out to roughly 2 people per square mile. Within its own EPA zone, Briscoe County is bigger by population than 3% of the counties that share it. Geologically, Briscoe County is grouped into EPA Region 6 alongside 502 other counties that share its rock and soil setting.
Why the zone isn't the answer by itself
Well clear of both the 1.3 pCi/L national indoor average and EPA's 4 pCi/L action level, Briscoe County's Zone 3 prediction is the low end of the scale. Don't read Zone 3 as a pass for Briscoe County — EPA's guidance to test every home makes no exception for counties predicted low.
Next steps for a home in Briscoe 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 Texas's state radon program
For Briscoe County, an ongoing number beats a one-time test - a Airthings radon monitor tracks Briscoe County's levels over time. RadonZoneCheck earns a commission there, at no extra cost to you. RADONZONE-10OFF at checkout knocks 10% off.
Where Briscoe County's figures come from
Briscoe County's zone, rank and region all trace back to named EPA and Census sources — the methodology guide lists exactly which ones. The guide to what a radon zone actually means covers why testing matters in every zone, not just Zone 1.