Counties in Region: WHARTON, LAVACA, JACKSON Major Cities: None Population 2000: 50,366 Population 2050: 60,124 Total Water Use, 2000: 239458 Acre-Feet Total Water Use, 2050: 244758 Acre-Feet Primary Rivers: Lavaca Major Aquifers: Gulf Coast Annual Precipitation: 36-44 Inches Net Evaporation: 28-32 Inches Regional Planning Activity Information From The Teaxs Water Development Board

SUPPLY 1995   DEMAND 2000   DEMAND 2050 SOURCE PERCENT   SECTOR ACRE-FEET PERCENT   SECTOR ACRE-FEET PERCENT Groundwater 90%   Irrigation 226008 94.4%   Irrigation 229518 93.8% Surfacewater 10%   Manufacturing 1393 0.6%   Manufacturing 3259 1.3%       Livestock 3346 1.4%   Livestock 3346 1.4%       Mining 155 0.1%   Mining 21 0.0%       Municipal 8556 3.6%   Municipal 8614 3.5%       Power 0 0.0%   Power 0 0.0%

• Saltwater intrusion in the Gulf Coast Aquifer may affect groundwater quality as pumping continues to meet irrigation and municipal needs.
• Elevated levels of fecal coliform bacteria and nutrients in the lower reaches of the Lavaca River affect water quality and the bays and estuaries.
• Lake Texana, the only reservoir in the planning area, is slated to provide water to Corpus Christi through a major conveyance system.
• Flows from the Lavaca River and releases from Lake Texana must be sufficient to maintain inflow needs of Lavaca Bay and associated estuaries.

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