By: Zwiener H.B. No. 5186       A BILL TO BE ENTITLED   AN ACT   relating to information relied on by the Railroad Commission of   Texas for purposes of rules involving rainfall estimates.          BE IT ENACTED BY THE LEGISLATURE OF THE STATE OF TEXAS:          SECTION 1.  Subchapter C, Chapter 81, Natural Resources   Code, is amended by adding Section 81.076 to read as follows:          Sec. 81.076.  RULES REFERENCING RAINFALL INTENSITY,   DURATION, AND FREQUENCY. (a) This section applies only to a   commission rule the adoption of which involved an evaluation of   rainfall intensity, duration, or frequency.          (b)  The commission shall update rules as necessary to   incorporate the latest available rainfall intensity, duration, and   frequency data from the National Oceanic and Atmospheric   Administration or a comparable source at least once every five   years.          (c)  The commission shall update rules as necessary to   incorporate the latest available rainfall intensity, duration, and   frequency data from each new volume of the Precipitation-Frequency   Atlas of the United States published by the National Oceanic and   Atmospheric Administration.          (d)  During each rulemaking required by Subsection (b), the   commission shall consider:                (1)  the value of costs avoided by the state as a result   of updating the rainfall intensity, frequency, and duration data;                (2)  a description of the variance between the existing   and newly available rainfall intensity, frequency, and duration   data; and                (3)  the accuracy of the newly available rainfall   intensity, frequency, and duration data in comparison to the   existing rainfall intensity, frequency, and duration data.          SECTION 2.  Not later than January 1, 2026, the Railroad   Commission of Texas shall adopt the first updated rules required by   Section 81.076, Natural Resources Code, as added by this Act.          SECTION 3.  This Act takes effect September 1, 2025.