© 2026 NPR Illinois
For your right to be curious.
Donate
Play Live Radio
Next Up:
0:00
0:00
0:00 0:00
Available On Air Stations
Build a transformational philanthropy program for this trusted NPR affiliate.
Seeking a 100% major gift fundraiser passionate about public media to develop relationships with people who support an informed and civil central Illinois.
Hire will have community visibility, many prospects, and professional resources.
Interviews in progress, open until filled. Apply now.

Minneapolis high school swimmer invents portable device to measure chloramine levels

NPR | By Diantha Parker,
Noah Bloch
Published June 20, 2026 at 6:40 AM CDT

Indoor pools can have a distinct odor caused by chlorine binding to body waste. A Minnesota student invented a device to measure chloramine levels.

Copyright 2026 NPR
Diantha Parker
Noah Bloch