As used in this Compact:

(a) The word "Stateline" means the point on the Sabine River where its waters in downstream flow first touch the States of both Louisiana and Texas.

(b) The term "waters of the Sabine River" means the waters either originating in the natural drainage basin of the Sabine River, or appearing as streamflow in said River and its tributaries, from its headwater source down to the mouth of the River where it enters into Sabine Lake.

(c) The term "Stateline flow" means the flow of waters of the Sabine River as determined by the Logansport gauge located on the U.S. Highway 84, approximately four (4) river miles downstream from the Stateline. This flow, or the flow as determined by such substitute gauging station as may be established by the Administration, as hereinafter defined, pursuant to the provisions of Article VII of this Compact, shall be deemed the actual Stateline flow.

(d) The term "Stateline reach" means that portion of the Sabine River lying between the Stateline and Sabine Lake.

(e) The term "the Administration" means the Sabine River Compact Administration established under Article VII.

(f) The term "Domestic use" means the use of water by an individual, or by a family unit or household for drinking, cooking, laundering, sanitation and other personal comforts and necessities; and for the irrigation of an area not to exceed one acre, obtained directly from the Sabine River or its tributaries by an individual or family unit, not supplied by a water company, water district or municipality.

(g) The term "stock water use" means the use of water for any and all livestock and poultry.

(h) The term "consumptive use" means use of water resulting in its permanent removal from the stream.

(i) The terms "domestic" and "stock water" reservoir mean any reservoir for either or both of such uses having a storage capacity of fifty (50) acre feet or less.

(j) "Stored water" means water stored in reservoirs (exclusive of domestic or stock water reservoirs) or water withdrawn or released from reservoirs for specific uses and the identifiable return flow from such uses.

(k) The term "free water" means all waters other than "stored waters" in the Stateline reach including, but not limited to, that appearing as natural stream flow and not withdrawn or released from a reservoir for specific uses. Waters released from reservoirs for the purpose of maintaining stream flows as provided in Article V, shall be "free water". All reservoir spills or releases of stored waters made in anticipation of spills, shall be free water.

(l) Where the name of the State or the term "State" is used in this Compact, it shall be construed to include any person or entity of any nature whatsoever of the States of Louisiana or Texas using, claiming, or in any manner asserting any right to the use of the waters of the Sabine River under the authority of that State.

(m) Wherever any State or Federal official or agency is referred to in this Compact, such reference shall apply equally to the comparable official or agency succeeding to their duties and functions.