Section 298.505 - DefinitionsThe following words or phrases have the following meanings in this subchapter unless the context clearly indicates otherwise:
(1) Average condition--the hydrologic condition that would occur approximately 50% of the time and that is intended to represent periods that are neither dry nor wet.(2) Dry condition--the hydrologic condition that would occur approximately 15% of the time and that is intended to represent conditions that are dry but are above the subsistence condition.(3) Fall--the period of time July through October, inclusive.(4) Spring--the period of time March through June, inclusive.(5) Sound ecological environment--an environment that sustains the full complement of the current suite of native species in perpetuity, or at least supports the introduction of extirpated species, sustains key habitat features required by these species, retains key features of the natural flow regime required by these species to complete their life cycles, and sustains key ecosystem processes and services, such as elemental cycling and the productivity of important plant and animal populations.(6) Subsistence condition--the hydrologic condition that would occur approximately 10% of the time and that is intended to represent the driest periods.(7) Wet condition--the hydrologic condition that would occur approximately 25% of the time and that is intended to represent the wettest conditions.(8) Winter--the period of time November through February, inclusive.30 Tex. Admin. Code § 298.505
The provisions of this §298.505 adopted to be effective March 6, 2014, 39 TexReg 1416