85R15193 JAM-D     By: Larson H.B. No. 4006       A BILL TO BE ENTITLED   AN ACT   relating to a requirement that the Texas Commission on   Environmental Quality obtain or develop updated water availability   models for all of the river basins in this state.          BE IT ENACTED BY THE LEGISLATURE OF THE STATE OF TEXAS:          SECTION 1.  Section 16.012, Water Code, is amended by adding   Subsection (h-1) to read as follows:          (h-1)  Not later than December 1, 2020, the commission shall   obtain or develop updated water availability models for the all of   the river basins in this state. The commission may collect data   from all of the jurisdictions that allocate the waters of the rivers   in this state, including jurisdictions outside this state.  This   subsection expires September 1, 2021.          SECTION 2.  This Act takes effect September 1, 2017.