Water Hazard is a red, armored alien that will premiere in Ben 10: Ultimate Alien.
Water Hazard's DNA sample was scanned from Bivalvan in the episode, Fame. He along with Armodrillo, Ampfibian, NRG, and Terraspin's species came from planets in the Andromeda Galaxy where they were kidnapped and separated from each other by Agreggor.
Water Hazard has an armored exoskeleton which protects his body from most types of damage. He possesses limited superhuman strength and can shoot water jets from his hands. He appears to be at least partially amphibious. According to Dwayne, he is also able to control water.