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          A BILL TO BE ENTITLED
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          AN ACT
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        relating to the matters to be considered in developing the state  | 
      
      
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        water plan. | 
      
      
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               BE IT ENACTED BY THE LEGISLATURE OF THE STATE OF TEXAS: | 
      
      
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               SECTION 1.  Sections 16.051(a-1) and (d), Water Code, are  | 
      
      
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        amended to read as follows: | 
      
      
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               (a-1)  The state water plan must include: | 
      
      
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                     (1)  an assessment of the best available science  | 
      
      
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        related to trends in factors affecting: | 
      
      
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                           (A)  future water availability, including  | 
      
      
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        precipitation, evaporation, storage capacity, and environmental  | 
      
      
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        flow needs; and | 
      
      
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                           (B)  future water use, including technologies for  | 
      
      
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        water conservation, purification, and reuse; | 
      
      
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                     (2)  an evaluation of the state's progress in meeting  | 
      
      
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        future water needs, including an evaluation of the extent to which  | 
      
      
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        water management strategies and projects implemented after the  | 
      
      
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        adoption of the preceding state water plan have affected that  | 
      
      
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        progress; and | 
      
      
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                     (3) [(2)]  an analysis of the number of projects  | 
      
      
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        included in the preceding state water plan that received financial  | 
      
      
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        assistance from the board. | 
      
      
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               (d)  The board, in coordination with the commission, the  | 
      
      
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        Department of Agriculture, and the Parks and Wildlife Department,  | 
      
      
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        shall adopt by rule guidance principles for the state water plan  | 
      
      
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        which reflect the public interest of the entire state.  When  | 
      
      
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        adopting guidance principles, due consideration shall be given to  | 
      
      
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        the best available science related to forecasting future water  | 
      
      
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        availability, the environmental flow standards and environmental  | 
      
      
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        flow set-asides adopted by the commission under Section 11.1471,  | 
      
      
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        the construction and improvement of surface water and groundwater  | 
      
      
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        resources, and the application of principles that result in  | 
      
      
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        voluntary redistribution of water resources.  The board shall  | 
      
      
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        review and update the guidance principles, with input from the  | 
      
      
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        commission, the Department of Agriculture, and the Parks and  | 
      
      
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        Wildlife Department, as necessary but at least every five years to  | 
      
      
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        coincide with the five-year cycle for adoption of a new water plan  | 
      
      
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        as described in Subsection (a). | 
      
      
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               SECTION 2.  This Act applies to the state water plan required  | 
      
      
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        to be adopted by the Texas Water Development Board beginning with  | 
      
      
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        the 2017 state water plan. | 
      
      
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               SECTION 3.  This Act takes effect September 1, 2015. |