Ditch the Sprinkler with These Water-Efficient Landscaping Ideas From efficient plants to water-smart landscaping, your lawn can certainly do its part to improve water efficiency. ALEXANDRA FILIACI Ready for a shock? The average US household guzzles down 320 gallons of water a day—that’s about nine full bath tubs’ worth of liquid! And about 30 percent of that gets dumped out straight on the lawn. Conventional water sprinklers are so inefficient that about half of all the water th... read more