Thank you to the many amazing classrooms that participated in our 2018 competition! Winners will be announced and posted in April. In the meantime, you can find some of our past winning projects on our Winners page.
In order to register your classroom, you must agree to the terms and conditions of the copmetition.
If you have any questions please contact us.
Thank you for registering and joining Cal Water's H2O Challenge! You should receive a confirmation email shortly.
As you prepare your class for the competition, please be sure to check out our resources, complete with a competition handbook, our judging rubric, an FAQ, water conservation links, and more!