Explore
Challenges
For Business
For Startups
Who We Are
Results
search
Get Started
I want to launch a challenge
Connect to talented problem solvers
I want to solve a challenge
Join our community to win prizes
log in
menu
log in
Explore Challenges
For Business
For Startups
Who We Are
Results
World Vision
16,150
share
follow
(35)
following
unfollow
(35)
Low-Cost Chlorine Monitoring for Rural Piped Water Systems
Want to use your technical skills to impact millions? Design a much cheaper method to monitor the concentration of free residual chlorine.
Learn More
Engineering
Non-Profit & Social Impact
Technology
stage:
Submission Deadline
prize:
$20,000
Learn More
Engineering
Non-Profit & Social Impact
Technology
Project Advisor
more
Summary
Timeline
Forum
2
Teams
35
Summary
Overview
Learn More
Timeline
Forum
2
Teams
35
Other Challenges You May Be Interested In
by GoAERO Prize
1.8K
GoAERO Prize
Design and build a safe, portable, robust, autonomy-enabled Emergency Response Flyer.
by American-Made Program
115
Feeder of the Future Prize
The Feeder of the Future Prize advances distribution system feeders that address current and future power delivery challenges.
by International Rocket Engineering Competition
3.1K
International Rocket Engineering Competition 2025
Join us as we host thousands of the world's most ambitious collegiate rocketeers in a one-of-a-kind event.
