Association bringing together water rocket experimenters of all ages and skill levels through online discussions and organizing competition rules and safety standards.

Learn about water rocketry firsthand from the folks at NASA. Useful software that helps predict your rocket launches and trajectories. A section for teachers who would like to use water rocketry in the classroom.

In-depth information on water rocketry, including how-to videos.

Group about homemade rockets powered by compressed air and water, and related topics.

Design, construction, launching, and recovery, with aerial photography, in-flight videos, and photo galleries.

Instructions for parachute deployment and video camera installation.

Instructions for constructing launch systems.

Water rocket enthusiast's blog.

This site documents modifying a water rocket to work as a "payload" rocket to lift a remote controlled glider to higher altitudes using a 2 liter pop bottle as the water rocket.

Chronicles launcher and circuit testing by a group of PhD students.