Section 298.1 - DefinitionsThe following words or phrases, when used in this chapter, have the following meanings, unless the context clearly indicates otherwise, or unless a subchapter has a different definition that only applies to that subchapter:
(1) Affected person--a person who meets the requirements of § 55.256 of this title (relating to Determination of Affected Person) for the specific environmental condition proposed to be adjusted.(2) Base flow--the range of average flow conditions, in the absence of significant rainfall events, that may vary depending on current weather patterns.(3) Environmental flow regime--a schedule of flow quantities that reflects seasonal and yearly fluctuations that typically would vary geographically, by specific location in a watershed, and that are shown to be adequate to support a sound ecological environment and to maintain the productivity, extent, and persistence of key aquatic habitats in and along the affected water bodies.(4) Environmental flow standards--those requirements contained in this chapter, adopted by the commission under Texas Water Code, § 11.1471.(5) Lower Rio Grande--the main stem of the Rio Grande, and its tributaries in Texas, from just above Falcon Reservoir to the mouth of the Rio Grande.(6) Measurement point--a specific geographical location on a watercourse where environmental flow standards are established.(7) Middle Rio Grande--the main stem of the Rio Grande, and its tributaries in Texas, from just above Amistad Reservoir to just above Falcon Reservoir.(8) Pulse or high flow pulse--relatively short-duration, high flows within the stream channel that occur during or immediately following a storm event.(9) Set-aside-an amount of unappropriated water, if available, to be set aside to satisfy the environmental flow standards to the maximum extent reasonable when considering human water needs.(10) Subsistence flow--the minimum streamflow needed during critical drought periods to maintain tolerable water quality conditions and to provide minimal aquatic habitat space for the survival and recolonization of aquatic organisms.(11) USGS--United States Geological Survey.(12) Water right holder--a person or entity that owns a valid certificate of adjudication, certified filing, or water right permit.(13) Water right permit--a valid certificate of adjudication, certified filing, or water right permit. The term does not include exempt water uses, such as domestic and livestock water uses.30 Tex. Admin. Code § 298.1
The provisions of this §298.1 adopted to be effective May 15, 2011, 36 TexReg 2908