Type in your school address to see if your school is eligible in the Cal Water Service Area:
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!