Readings from index wells in the Edwards Aquifer, an underground layer of porous, water-bearing rock sitting beneath Central Texas, show slight improvement. The water elevation at Mansfield Dam, which forms the lake, was about 639.7 feet above mean sea level, which is 28.9 feet below the historical average for February. Lake Travis, which doubles as a regional water source and aquatic playground, was considered to be at only 46% of capacity, LCRA data show. An acre-foot is the amount of water it takes to cover an acre a foot deep. As of Sunday, that number was around 1.04 million acre-feet. Readings from critical water sources, such as underground aquifers and the Highland Lakes west of Austin, continue to reflect a lack of replenishing moisture from regional watersheds.ĭata from the Lower Colorado River Authority, which manages the Highland Lakes for hydroelectricity and flood control, show the volume of water stored in the reservoir lakes, Travis and Buchanan, would be full at about 2 million acre-feet. How are Austin-area water supplies holding up? 1, gauges at Camp Mabry have measured about 2.94 inches of rainfall, which is about a half-inch short of normal for this time of year. At this point in February, Austin on average would have recorded only 0.78 inch of rainfall, according to National Weather Service data.įor the year to date, though, the city remains slightly below normal for cumulative rainfall. How much rain have we gotten in February?Īustin's pelting by freezing rain and normal rain this month has yielded about 1.68 inches at Camp Mabry, the site of the city's main weather station.
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