 outdoor leaks outdoor leaks outdoor leaks can have a major effect on your water usage for example when an automatic irrigation system develops a leak often you don t even know because the bulk of the system is underground this can lead to huge amounts of wasted water and soaring water bills it s a good idea to check regularly to make sure your irrigation system and other outdoor water sources don t have leaks to help we ve compiled information on using your water meter to test for leaks  pdf and how to find outdoor leaks  pdf     outdoor  