# When is water safe to drink?

- Institution: TED
- Department: TED-Ed
- Speaker: Mia Nacamulli
- Year: 2017
- Level: For everyone
- Language: English
- Subjects: Medicine and health, Engineering, Art, architecture and design, Teaching and learning
- Source: [TED](https://www.ted.com/talks/mia_nacamulli_when_is_water_safe_to_drink)
- Licence: [CC BY-NC-ND 4.0](https://creativecommons.org/licenses/by-nc-nd/4.0/) (Non-commercial use only, and no changed versions.)
- Who can watch: Teens profiles and older (sources give no ratings; placed by Invisible Network from the source's own words)

Water is refreshing, hydrating, and invaluable to your survival. But clean water remains a precious and often scarce commodity – there are nearly 800 million people who still don’t have regular access to it. Why is that? And how can you tell whether the water you have access to — whether from a tap or otherwise — is drinkable? Mia Nacamulli examines water contamination and treatment. \[Directed by Sarah Sun, Angela Wong, narrated by Addison Anderson, music by Stephen LaRosa\].

## Lectures

1. [When is water safe to drink?](https://invisiblenetwork.ai/learn/ted/mia_nacamulli_when_is_water_safe_to_drink/d6124b77abab), 6 min (TED's player)