WATER MANAGEMENT: Cities conserve to cope with a resource that is literally drying up. Find out more on Passport to Texas. Passport to Texas from Texas Parks and Wildlife San Antonio has long been viewed as the role model in water conservation. That's primarily because it relies on the strictly regulated Edwards Aquifer. Greg Flores is the vice president of public affairs for San Antonio Water Systems. He says because of San Antonio's experience in water conservation, it can help other cities with their programs. :12 -- There are a number of communities that will for the first time have to submit water conservation plans to the state of Texas. Well we've got a lot of experience doing that for many years, and we can help a lot of communities get their plans done and submitted to the state. In 2008, San Antonio used one hundred thirty nine gallons of water per person per day. Dallas used two hundred and seven gallons per person per day. But that's down twenty percent from water use in 2000. And Yvonne Dupré, a Dallas water conservation program coordinator, says outdoor watering restrictions, conservation education and rebates for water efficient toilets are paying off. :09 -- We have really seen a difference. Our population has continued to grow in this region, but our gallons per capita per day continues to decline. But as cities grow and resources are limited, cities like Dallas and San Antonio are searching for other sources of water. Do what you can to conserve; we have tips at passporttotexas.org. That's our show ... For Texas Parks and Wildlife I'm Cecilia Nasti. Total sound bite time: 0:21.0 Maximum Script time: 0:64.0 Suggested show time: 85.0 = 1:25