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Water Desalination in Texas
INDEPENDENT WATER AND SEWER COMPANIES OF TEXAS, INC.
Jorge A Arroyo, PE Innovative Water Technologies May 10, 2013
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Water Desalination in Texas INDEPENDENT WATER AND SEWER COMPANIES - - PowerPoint PPT Presentation
Water Desalination in Texas INDEPENDENT WATER AND SEWER COMPANIES - - PowerPoint PPT Presentation
Water Desalination in Texas INDEPENDENT WATER AND SEWER COMPANIES OF TEXAS, INC. Jorge A Arroyo, PE Innovative Water Technologies May 10, 2013 2 2 Source water salinity in existing desal facilities 14 12 10 Number of Facilities 8 6 4
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2 4 6 8 10 12 14
<1000 1001-1500 1501-2000 2001-2500 2501-3000 >3000 Not Responded
Number of Facilities Source water salinity in milligrams/liter
Source water salinity in existing desal facilities
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0% 5% 10% 15% 20% 25% 30% 35%
Disposal Well Surface Water Body Sanitary Sewer Land Application/Irrigation Evaporation Zero Discharge
Types and frequency of concentrate disposal methods
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Existing water supplies — the amount of water that can be produced with current permits, current contracts, and existing infrastructure during drought — are projected to decrease about 10 percent, from about 17.0 million acre-feet in 2010 to about 15.3 million acre-feet in 2060.
Water Supplies
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Future Water Supplies
2012 State Water Plan
0% 10% 20% 30% 40% 50% 60% 70% Conservation Conventional Alternative Municipal Conservation Irrigation Conservation Other Conservation Existing Surface Water Groundwater New Major Reservoirs Conjunctive Use Reuse Desalination
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Why brackish groundwater desalination in Texas?
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#1 Abundance
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Planning Groups Brackish Groundwater Manual For Texas Regional Water Planning Groups
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#2 A new source
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#3 Broad geographic availability
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Planning Region Brackish Groundwater Volume [Acre-feet] A- Panhandle 19,099,600 B- Region B 14,535,000 C- Region C 84,948,900 D- Northeast Texas 55,783,300 E- Far West Texas 125,382,400 F- Region F 372,848,300 G- Brazos 195,540,400 H- Region H 193,382,500 I- East Texas 195,869,400 J- Plateau 8,637,800 K- Lower Colorado 201,952,200 L- South Central Texas 417,767,200 M- Rio Grande 396,068,900 N- Coastal Bend 332,408,800 O- Llano Estacado 91,762,800 P- Lavaca 7,825,900 Total 2,713,813,400 Brackish Groundwater Manual For Texas Regional Water Planning Groups
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#4 Water supply diversification
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#5 Ease of implementation
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#6 Robust technology
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#7 Scalability
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#8 Local or regional approaches
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#9 Reuse multiplier
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#10 Challenges to Opportunities
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CONTACT
http://www.twdb.state.tx.us/innovativewat er/
- Desalination