Local testing decision
Radon Testing in Hood River County, OR
Hood River County should be treated as a high-priority testing market because 30.8% of reported tests at or above 4.0 pCi/L, 4.8 pCi/L primary measured result, and 63.1 pCi/L high-end signal in CDC Tracking Network data. A missing home reading means test now; a 4.0+ result means mitigation pricing or seller-credit math should start.
Direct answer
Hood River County crosses the action threshold in the official county data.
Hood River County should be treated as a county where a first test is urgent and a 4.0+ result should move directly into mitigation pricing or seller-credit math.
Evidence
National tracking data
Primary signal
4.8 pCi/L
Reported tests
85 over 10 years
What this evidence can and cannot tell you
Hood River County, OR has more than the EPA map: CDC Tracking Network exposes 85 reported tests, 4.8 pCi/L county average, 2.3 pCi/L median, 30.8% of reported tests at or above 4.0 pCi/L, and 63.1 pCi/L high-end signal for 2008-2017.
Hood River County, OR is measurement-backed for 2008-2017. The measured average is 4.8 pCi/L, and 30.8% of reported results are at or above 4.0 pCi/L. The high-end signal reaches 63.1 pCi/L.
Your next test decision
No reading yet: run a short-term test now, then confirm or price mitigation quickly if the result is elevated.
Retest trigger: a 2.0-3.9 pCi/L home result should be confirmed here because 4.8 pCi/L average, 2.3 pCi/L median, and 30.8% of reported tests at or above 4.0 keeps the county from being a dismiss-it signal.
Move from a test result to a local plan
Use the result band, foundation type, and county cost range together. A county signal is context; the home's own test controls the decision.
Sources