School lead testing guidance


Technical guidance

If your Phase 2 application has been approved for sampling, it is time to review the sampling technical guidance. We have simplified the EPA 3Ts guidance to ensure quick and easy sampling can be conducted for accurate results. 

It is imperative to follow the methods within the guidance and training materials to ensure data quality objectives are met.


Conduct a walk-through of each facility to identify plumbing routing and water consumption locations for testing. A simple facility schematic and sampling spreadsheet will need to be submitted by the local public health agency/ county to CDPHE before testing:

Reference these videos for sampling each water source you are likely to encounter: