What is an anti siphon law?
Anti siphon laws and devices were put into place to keep used and stagnant water from contaminating your home and the cities fresh water supply. For instance, when a fire truck or construction contractor hooks up to a fire hydrant, the pump in the truck creates a tremendous suction on the cities fresh water supply. If for example, you placed your garden hose in the swimming pool to fill it and the fire department hooked up to a hydrant in your area, the water from the pool would be sucked into your hose, into your house, and into the cities water. This could get ugly depending on the condition of your pool water or water in any other unprotected basin. The Waterbowl.com water basin uses the most effective anti siphon method available. Most automatic pet watering bowls actually have their valves submerged in the basin, which makes them candidates for siphon problems and for that matter, illegal.
