About Water Sprinkler Installation If you get on a local water supply, you must find the size inscribed on the meter itself. If you can't locate it, search your energy bill or call your water service provider. Water meters are 5/8-inch, 3/4-inch or 1-inch (sprinkler irrigation installation). If your water http://cristianzujns.bloggactif.com/1102874/the-greatest-guide-to-water-sprinkler-installation