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| Water Control & Improvement Districts |  
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 |  | | Gernes, Deborah (Travis County Water Control and Improvement District #17) |  
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 |  | | Frenzel, Richard (Bexar County WCID #10) |  
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 |  | | Green, Yantis (Tom Green County WCID #1) |  
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 |  | | Shupe, Dwight (Shupe, Ventura, Lindelow & Olson, PLLC) |  
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 | | Registering, but not testifying: |  
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 |  | | Kalisek, Lauren (Travis County WCID #17) |  
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 |  | | Pena, William (Travis County WCID #17) |  
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 |  | | Steed, David (Travis County WCID #17) |  
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| Groundwater Conservation Districts |  
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 |  | | Buckner, Luana (Edwards Aquifer Authority) |  
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 |  | | Carver, Ken (Kinney County Groundwater Conservation District) |  
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 |  | | Conkwright, Jim (High Plains Underground Water Conservation District No. 1) |  
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 |  | | Dreher, Karl (Edwards Aquifer Authority) |  
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 |  | | Dupnik, John (Barton Springs/Edwards Aquifer Conservation District) |  
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 |  | | Ellis, Gregory (Texas Alliance of Groundwater Districts) |  
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 |  | | Runge, Caroline (Menard County Underground Water District and Hickory UWCD #1) |  
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 |  | | Stiernberg, Mike (State Auditor's Office) |  
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 |  | | Wattles, Dan (State Auditor's Office) |  
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 |  | | Williams, Gene (Headwaters GCD) |  
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 |  | | Halbert, Wayne (Texas Irrigation Council and Harlingen Irrigation District) |  
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| Water Improvement Districts |  
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 |  | | Reyes, Jesus (El Paso County Water Improvement District #1) |  
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 |  | | Vega, Francelia (El Paso County Tornillo Water Improvement District) |  
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| Water and Wastewater Districts |  
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 | | Registering, but not testifying: |  
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 |  | | Holcomb, Doug (Texas Commission on Environmental Quality) |  
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 |  | | Mills, Kelly (Texas Commission on Environmental Quality) |  
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