UA Testing Guides

Plain-language guides to daily UA hotline calls and drug testing: how the systems work, who to call, and where to test.

• Weld County Pretrial Drug Testing: How the Sentry System Works

  What Weld County publishes about drug testing for people on pretrial supervision, who to call, and what to do on a day you are required to test.

  Updated 2026-10-14

• How a Daily UA Hotline Works

  UA numbers and color codes, what to do when yours is called, and how a missed or failed call gets handled.

  Updated 2026-10-14

• Weld County Approved Drug Testing Sites by Region

  The collection sites Weld County Pretrial Services approves for Sentry drug testing, grouped into the county's five regions.

  Updated 2026-10-14