What does btld mean on water?

Hear this out loudPauseThe short answer is that water is generally safe to drink after it expires. The likelihood that you will get sick — or even die — from consuming expired water is negligible at best… …but regardless, there are still concerns to be associated with “expired” water.

Source: www.ndt.net

— This is what I found, look on the bottom of your water storage containers, water bottles, sippy cups, etc. See if you can see the triangle and the .

— So I am sitting here drinking some bottled water, and I notice . is the following: BTLD 05/24/02 EXP 05/24/04 Does this mean the water expires .