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This layer contains the backflow preventers in the City of Round Rock, located in Williamson County, Texas. This layer is part of an original dataset provided and maintained by the City of Round Rock GIS/IT Department. The data in this layer are represented as points. <\/SPAN><\/P> <\/P> A backflow prevention device is used to protect potable water supplies from contamination or pollution due to backflow. In water distribution systems, water is normally maintained at a significant pressure to enable water to flow from the tap, shower, or other fixture. <\/SPAN><\/P> <\/P> There are currently 57 backflow preventers in this layer. <\/SPAN><\/P><\/DIV><\/DIV><\/DIV>",
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