Video library
Watch: how your water really works
Explainers from engineers, scientists and public agencies. Videos load from YouTube only when you press play.
From source to tap
How do water treatment plants work?
Concerning Reality · Coagulation, filtration and disinfection, step by step.
How water towers work
Practical Engineering · Why pressure zones and elevated storage keep your tap flowing.
How your home plumbing works
Got2Learn · Supply lines, drains and vents from start to finish.
Lead pipes
Why do we still use lead pipes?
MinuteEarth · 2,000 years of lead plumbing in four minutes.
It's time to get the lead out
Environmental Defense Fund · The case for full lead service line replacement.
Check your own pipe
Find where the water line enters your home. Scratch it gently with a coin: lead is soft, dull grey and scratches shiny silver; a magnet won't stick. Then confirm with your utility's service-line inventory.
PFAS "forever chemicals"
The story of PFAS
Veritasium · The long-form history of how PFAS spread worldwide.
Explore PFAS risk near you
USGS · How to use the U.S. Geological Survey's PFAS tap water map.
Destroying forever chemicals
Reactions (ACS) · New chemistry for breaking PFAS apart.
After the drain
How wastewater plants work
Concerning Reality · Where your water goes next.
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