See resources available to you:
Department of Health WA: https://doh.wa.gov/you-and-your-family/safe-medication-return
For Oregon: https://medtakebackoregon.org/
For California: https://www.takebackdrugs.org/
Idaho: https://odp.idaho.gov/prescription-drug-take-back-program/
Tricare.mil: https://www.health.mil/Reference-Center/Frequently-Asked-Questions/Drug-Take-Back