The Development of Lake Granbury SWATS Regional Electrodialysis Reversal Demineralizer Treatment Plant

by Roger K. Noack, HDR Engineering, Inc, United States,
R. Anne Smith, HDR Engineering, Inc, United States,
J. Tom Ray, HDR Engineering, Inc, United States,

Document Type: Proceeding Paper

Part of: Optimizing the Resources for Water Management


Due to high population growth and rapidly declining groundwater levels, the Brazos River Authority of Texas initiated a regional study to evaluate existing and potential surface water supply sources capable of meeting the needs of Johnson County, Texas. The study found that advanced treatment of abundant, but saline (brackish) water supplies stored in existing reservoirs was more economical than the development of new, higher quality, surface water sources. This paper summarizes the planning, design, and proposed operation of the Lake Granbury Surface Water and Treatment System (SWATS) electrodialysis reversal (EDR) plant, which is presently the largest inland municipal demineralizer water treatment plant in Texas.

Subject Headings: Water treatment plants | Salt water | Lakes | Urban and regional development | Water supply | Hydrologic models | Municipal water | Water resources | Texas | United States

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