Stylized text by Anna Doherty reading 'From Yuck to Yum' in dark font on a light background.
Cover by Anna Doherty - A girl with braids and a dog inside a glass of water. Text Reads 'From Yuck to Yum: Where does tap water come from?' 
Author: Francesca Bernardi
Illustrator: Anna Doherty
Publisher: The Worcester Polytechnic Institute
Published: August 2026
Number of pages: 33
Format: Digital download
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This free illustrated book walks kids through the general process employed by local municipalities in the United States of America to purify surface water (from lakes, rivers, reservoirs, etc.) for drinking.

Join us to learn about the secret steps needed to make water clean and safe to drink.

Ready, set, purify!

Available worldwide

Illustration by Anna Doherty. Girl with braided hair and a dog float in a pool of water surrounded by chlorine chemicals
Illustration by Anna Doherty of comic book panels of girl and a dog are swimming underwater with bubbles around.
Illustration by Anna Doherty of comic book panels - girl with braided hair and a striped shirt floats on water, surrounded by smiling cartoon chemicals and bacteria, and her golden retriever dog.
Illustration by Anna Doherty of comic book panels of a girl with braided hair and a dog in a pool, looking at floating, sparkly, smiling chlorine chemicals in the water and above the pool.
Illustration by Anna Doherty of comic book panels of a girl and golden retriever dog floating on wate through pipes.
Illustration by Anna Doherty of comic book panels: a young girl with long braided hair and a dog inside a tunnel with water and brown walls.