PUBLIC LAW 96-564—DEC. 22, 1980
94 STAT. 3307
(a) Interfere with or impair the right or power of any Signatory State to regulate within its boundaries the appropriation, use, and control of water, or quality of water, not inconsistent with its obligations under this Compact; (b) Repeal or prevent the enactment of any legislation or the enforcement of any requirement by any Signatory State imposing any additional conditions or restrictions to further lessen or prevent the pollution or natural deterioration of water within its jurisdiction; provided nothing contained in this paragraph shall alter any provision of this Compact dealing with the apportionment of water or the rights thereto; or (c) Waive any state's immunity under the Eleventh Amend- Waiver, ment of the Constitution of the United States, or as constituting the consent of any state to be sued by its own citizens. SECTION 2.11. Accounting for apportionment purposes on interstate streams shall not be mandatory under the terms of the Compact until one or more affected states deem the accounting necessary. SECTION 2.12. For the purposes of apportionment of the water Description, among the Signatory States, the Red River is hereby divided into the following major subdivision: (a) Reach I—the Red River and tributaries from the New Mexico-Texas State boundary to Denison Dam; (b) Reach II—the Red River from Denison Dam to the point where it crosses the Arkansas-Louisiana state boundary and all tributaries which contribute to the flow of the River within this reach; (c) Reach III—the tributaries west of the Red River which cross the Texas-Louisiana state boundary, the Arkansas-Louisiana state boundary, and those which cross both the Texas-Arkansas state boundary and the Arkansas-Louisiana state boundary; (d) Reach IV—the tributaries east of the Red River in Arkansas which cross the Arkansas-Louisiana state boundary; and (e) Reach V—that portion of the Red River and tributaries in Louisiana not included in Reach III or in Reach IV. SECTION 2.13. If any part or application of this Compact shall be declared invalid by a court of competent jurisdiction, all other severable provisions and applications of this Compact shall remain in full force and effect. SECTION 2.14. Subject to the availability of water in accordance with this Compact, nothing in this Compact shall be held or construed to alter, impair, or increase, validate, or prejudice any existing water right or right of water use that is legally recognized on the effective date of this Compact by either statutes or courts of the Signatory State within which it is located. ARTICLE III DEFINITIONS
3.01. In this Compact: (a) The States of Arkansas, Louisiana, Oklahoma, and Texas are referred to as "Arkansas," "Louisiana," "Oklahoma," and "Texas," respectively, or individually as "State" or "Signatory State," or collectively as "States" or "Signatory States." (b) The term "Red River" means the stream below the crossing of the Texas-Oklahoma state boundary at longitude 100 degrees west.
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