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Texas v. New Mexico and Colorado

Docket No.22o141
ArgumentMar 20, 2024

Holding

The motion to enter a proposed consent decree that would dispose of the United States" claims in the Rio Grande Compact without its consent is denied.

Judgment

Exception sustained, 5-4, in an opinion by Ketanji Brown Jackson on Jun 21, 2024. Justice Gorsuch filed a dissenting opinion, in which Justices Thomas, Alito, and Barrett joined.

Proceedings & orders timeline

Jan 1, 2013
Documents filed with the Special Master may be found at https://www.ca3.uscourts.gov/texas-v-new-mexico-and-colorado-no-141-original
Jan 8, 2013
Motion for leave to file a bill of complaint filed. (Response due March 11, 2013)
Mar 11, 2013
Brief amicus curiae of Hudspeth County Conservation and Reclamation District No. 1 filed.
Mar 11, 2013
Brief amicus curiae of El Paso County Water Improvement District No. 1 filed.
Mar 11, 2013
Brief of respondent Colorado in opposition filed.
Mar 11, 2013
Brief amicus curiae of City of El Paso, Texas filed.
Mar 11, 2013
Brief of respondent New Mexico in opposition filed.
Mar 11, 2013
Brief amicus curiae of City of Las Cruces filed.
Mar 22, 2013
Reply of petitioner Texas, filed.
Mar 27, 2013
DISTRIBUTED for Conference of April 12, 2013.
Apr 15, 2013
The Solicitor General is invited to file a brief in this case expressing the views of the United States.
Dec 10, 2013
Brief amicus curiae of United States filed.
Dec 31, 2013
Supplemental brief of respondent New Mexico filed.
Dec 31, 2013
Supplemental brief of respondent Colorado filed.
Jan 7, 2014
Motion for leave to file supplemental brief and supplemental brief in response to New Mexico's supplemental brief filed by petitioner Texas, Plaintiff.
Jan 8, 2014
Motion DISTRIBUTED for Conference of January 24, 2014.
Jan 27, 2014
Motion for leave to file a bill of complaint is GRANTED. Motion for leave to file supplemental brief is GRANTED. New Mexico is allowed 60 days within which to file a motion to dismiss, in the nature of a motion under Rule 12(b)(6), Federal Rules of Civil Procedure. Plaintiff is allowed 45 days to file a response to the motion. A reply, if any, shall be filed within 15 days after the response is filed.
Feb 27, 2014
Motion for leave to intervene filed by United States.
Mar 10, 2014
Order extending time to file the Motion to Dismiss the Bill of Complaint filed by Texas to a date 30 days after the Court issues an order on the Motion for Leave to Intervene filed by the United States. Extension granted for all Respondents.
Mar 10, 2014
Response in support of motion of the United States for leave to intervene as a plaintiff from petitioner Texas, Plaintiff filed. (Distributed)
Mar 10, 2014
Response to motion of the United States for leave to intervene as a plaintiff, from respondent New Mexico filed. (Distributed)
Mar 12, 2014
DISTRIBUTED for Conference of March 28, 2014.
Mar 14, 2014
Reply of United States in support of motion to intervene filed. (Distributed)
Mar 31, 2014
Motion for leave to intervene filed by United States GRANTED.
Apr 30, 2014
Motion to dismiss Texas' Complaint and the United States' Complaint in Intervention filed by respondent New Mexico.
Apr 30, 2014
Brief amicus curiae of City of Las Cruces filed.
May 8, 2014
Lodging Request received from Counsel for New Mexico.
Jun 16, 2014
Brief for the United States in opposition to New Mexico's Motion to Dismiss Texas's Complaint and the United States' Complaint in Intervention filed.
Jun 16, 2014
Texas's Brief in Response to New Mexico's Motion to Dismiss Texas's Complaint and the United States' Complaint in Intervention filed.
Jun 16, 2014
Brief amicus curiae of City of El Paso, Texas filed.
Jun 16, 2014
Lodging request received from the City of El Paso, Texas
Jun 16, 2014
Brief amicus curiae of Hudspeth County Conservation and Reclamation District No. 1 filed.
Jun 16, 2014
Brief amicus curiae of El Paso County Water Improvement District No. 1 filed.
Jun 17, 2014
Objection to New Mexico's Lodging Request filed by Counsel for Texas.
Jul 1, 2014
Reply of respondent New Mexico filed.
Jul 9, 2014
DISTRIBUTED for Conference of September 29, 2014.
Nov 3, 2014
It is ordered that A. Gregory Grimsal, Esquire, of New Orleans, Louisiana, is appointed Special Master in this case with authority to fix the time and conditions for the filing of additional pleadings, to direct subsequent proceedings, to summon witnesses, to issue subpoenas, and to take such evidence as may be introduced and such as he may deem it necessary to call for. The Special Master is directed to submit Reports as he may deem appropriate. The compensation of the Special Master, the allowances to him, the compensation paid to his legal, technical, stenographic and clerical assistants, the cost of printing his Reports, and all other proper expenses, including travel expenses, shall be charged against and be borne by the parties in such proportion as the Court may hereafter direct.
Nov 6, 2014
Oath of Special Master filed.
Dec 3, 2014
Motion for leave to intervene filed by Elephant Butte Irrigation District.
Dec 10, 2014
Order extending time to file response to Motion for leave to intervene to and including January 29, 2015, for all parties.
Jan 29, 2015
Response in opposition to Elephant Butte Irrigation District's motion for leave to intervene from United States filed.
Jan 29, 2015
Response in opposition to Elephant Butte Irrigation District's motion of for leave to intervene by New Mexico filed.
Jan 29, 2015
Response to Elephant Butte Irrigation District's motion to intervene from petitioner Texas, Plaintiff filed.
Jan 29, 2015
Response to Elephant Butte Irrigation District's motion to intervene from respondent Colorado filed.
Feb 2, 2015
Order extending time to file a reply to the responses to the motion to intervene by Elephant Butte Irrigation District to and including March 20, 2015.
Mar 20, 2015
Reply to Briefs Opposing Motion for Leave to Intervene of Hernandez, Steven Landeros Elephant Butte Irrigation District filed.
Apr 8, 2015
Motion DISTRIBUTED for Conference of April 24, 2015.
Apr 22, 2015
Motion for leave to intervene filed by El Paso County Water Improvement District No. 1.
Apr 24, 2015
Order extending time to file response to motion to intervene file by El Paso County Water Improvement District No. 1 granted to and including June 10, 2015, for all parties. Reply briefs are due July 10, 2015.
Apr 27, 2015
Motion for leave to intervene filed by Elephant Butte Irrigation District referred to the Special Master.
May 6, 2015
First Interim Motion of the Special Master for Allowance of Fees and Disbursements filed by Special Master.
May 19, 2015
Motion DISTRIBUTED for Conference of June 4, 2015.
May 26, 2015
Order extending time to file a response to the Special Master's motion for Allowance of Fees and Disbursements to and including June 12, 2015 for all parties.
Jun 10, 2015
Brief of United States in opposition to El Paso County Water Improvement District No. 1's motion for leave to intervene filed.
Jun 10, 2015
Brief in response to El Paso County Water Improvement District No. 1's motion for leave to intervene of Texas, Plaintiff filed.
Jun 10, 2015
Response in opposition to motion of El Paso County Water Improvement District No. 1 for leave to intervene by respondent New Mexico filed.
Jun 10, 2015
Response to El Paso County Water Improvement District No. 1's motion for leave to intervene from respondent Colorado filed.
Jun 17, 2015
Motion DISTRIBUTED for Conference of September 28, 2015.
Jul 10, 2015
Reply in Support of Motion of El Paso County Water Improvement District No. 1 for leave to intervene filed by El Paso County Water Improvement District No. 1 .
Jul 15, 2015
Motion of El Paso County Water Improvement District No. 1 for leave to intervene DISTRIBUTED for Conference of September 28, 2015.
Jul 15, 2015
Motion of the Special Master for Allowance of Fees and Disbursements. DISTRIBUTED for Conference of September 28, 2015.
Oct 5, 2015
Motion for leave to intervene filed by El Paso County Water Improvement District No. 1 referred to the Special Master.
Oct 5, 2015
The First Interim motion of the Special Master for allowance of fees and disbursements is granted, and the Special Master is awarded a total of $195,461.53 for the period November 3, 2014, through April 30, 2015, to be paid as follows: 37.5% by Texas, 37.5% by New Mexico, 20% by the United States and 5% by Colorado.
Nov 2, 2015
Second Interim Motion of the Special Master for Allowance of Fees and Disbursements filed by Special Master.
Nov 12, 2015
Motion for Extension of time to file comments regarding the Second Interim Motion for fees filed by respondent New Mexico.
Nov 18, 2015
Motion for Extension of time to file comments regarding the Second Interim Motion for fees GRANTED to and until November 20, 2015.
Nov 23, 2015
Motion DISTRIBUTED for Conference of December 11, 2015.
May 17, 2016
Motion DISTRIBUTED for Conference of May 19, 2016.
May 20, 2016
Rescheduled.
May 20, 2016
Letter from Special Master regarding fees received.
May 31, 2016
The Second Interim Motion of the Special Master for Allowance of Fees and Disbursements, as amended by his letter dated May 20, 2016, is GRANTED, and the Special Master is awarded a total of $200,000.00, for the period May 1, 2015, through October 31, 2015, to be paid as follows: 37.5% by Texas, 37.5% by New Mexico, 20% by the United States and 5% by Colorado.
Feb 13, 2017
First Interim Report of the Special Master received.
Mar 1, 2017
Special Master Report DISTRIBUTED for Conference of March 17, 2017.
Mar 13, 2017
Third Interim Motion of the Special Master for Allowance of Fees and Disbursements filed by Special Master.
Mar 20, 2017
The Report of the Special Master is received and ordered filed. Exceptions to the Report, with supporting briefs, may be filed within 45 days. Replies, if any, with supporting briefs, may be filed within 30 days. Sur-replies, if any, with supporting briefs, may be filed within 30 days.
Mar 31, 2017
The March 30, 2017, joint request for an extension of time has been granted as follows: Exceptions to the Special Masters Report are due on or before June 9, 2017; Replies are due on or before July 28, 2017; Sur-replies are due on or before September 1, 2017.
May 22, 2017
The Third Interim Motion of the Special Master for Allowance of Fees and Disbursements, as amended by his letter dated May 17, 2017, is GRANTED, and the Special Master is awarded a total of $219,125.57, for the period November 2, 2015, through March 13, 2017, to be paid as follows: 37.5% by Texas, 37.5% by New Mexico, 20% by the United States and 5% by Colorado.
Jun 9, 2017
Exception of the United States and Brief in support of Exception filed.
Jun 9, 2017
Exceptions to the First Interim Report of the Special Master filed by Colorado
Jun 9, 2017
Exceptions to the First Interim Report of the Special Master filed by New Mexico.
Jun 9, 2017
Brief amicus curiae of Albuquerque Bernalillo County Water Utility Authority filed.
Jun 9, 2017
Brief amicus curiae of City of Las Cruces filed.
Jun 9, 2017
Motion for leave to file amicus brief filed by New Mexico Pecan Growers.
Jun 9, 2017
Motion for leave to file amicus brief filed by New Mexico State University.
Jun 20, 2017
Letter from the Acting Solicitor General proposing to lodge non-record material with the Court.
Jul 28, 2017
Reply of United States to the exceptions of the report of the Special Master filed.
Jul 28, 2017
Reply of New Mexico to the exceptions to the report of the Special Master filed.
Jul 28, 2017
Reply of Colorado to the exceptions to the report of the Special Master filed.
Jul 28, 2017
Reply of Texas to the exceptions to the report of the Special Master filed.
Jul 28, 2017
Brief amicus curiae of El Paso County Water Improvement District No. 1 filed. (corrected)
Jul 28, 2017
Brief amicus curiae of City of El Paso, TX filed.
Jul 28, 2017
Brief amicus curiae of Elephant Butte Irrigation District filed.
Aug 4, 2017
Brief amicus curiae of Kansas filed.
Aug 31, 2017
Texas's Sur Reply filed.
Sep 1, 2017
Sur Reply for the United States filed.
Sep 1, 2017
New Mexico's Sur Reply filed.
Sep 1, 2017
Colorado's Sur Reply filed.
Oct 10, 2017
Motion for leave to file amicus brief filed by New Mexico State University GRANTED.
Oct 10, 2017
Motion for leave to file amicus brief filed by New Mexico Pecan Growers GRANTED.
Oct 10, 2017
New Mexico's motion to dismiss Texas's complaint is DENIED.
Oct 10, 2017
The motion of Elephant Butte Irrigation District for leave to intervene is DENIED.
Oct 10, 2017
The motion of El Paso County Water Improvement District No. 1 for leave to intervene is DENIED.
Oct 10, 2017
The exception of the United States and the first exception of Colorado to the First Interim Report of the Special Master (Feb. 13, 2017) are set for oral argument in due course.
Nov 17, 2017
SET FOR ARGUMENT ON Monday, January 8, 2018
Nov 17, 2017
Motion for divided argument filed by the United States.
Dec 11, 2017
Motion for divided argument filed by the Solicitor General GRANTED.
Jan 8, 2018
Argued. For United States, as intervenor: Ann O'Connell, Assistant to the Solicitor General, Department of Justice, Washington, D. C. For plaintiff: Scott A. Keller, Solicitor General of Texas, Austin, Texas. For defendant Colorado: Frederick R. Yarger, Solicitor General of Colorado, Denver, Colo. For defendant New Mexico: Marcus J. Rael, Jr., Albuquerque, N. M.
Mar 5, 2018
United States's exception sustained; all other exceptions overruled; and case remanded. Gorsuch, J., delivered the opinion for a unanimous Court.
Apr 2, 2018
A. Gregory Grimsal, Esq., of New Orleans, Louisiana, the Special Master in this case, is hereby discharged with the thanks of the Court. It is ordered that the Honorable Michael J. Melloy, of Cedar Rapids, Iowa, is appointed Special Master in this case with authority to fix the time and conditions for the filing of additional pleadings, to direct subsequent proceedings, to summon witnesses, to issue subpoenas, and to take such evidence as may be introduced and such as he may deem it necessary to call for. The Special Master is directed to submit Reports as he may deem appropriate. The cost of printing his Reports, and all other proper expenses, including travel expenses, shall be submitted to the Court.
Apr 6, 2018
Oath received from Special Master
Apr 17, 2018
Final Motion of the former Special Master for allowance of fees and disbursements.
Apr 24, 2018
DISTRIBUTED for Conference of 5/10/2018.
May 14, 2018
The final motion of the former Special Master for allowance of fees and disbursements is GRANTED, and the former Special Master is awarded a total of $10,101.86, for the period March 13, 2017, through April 2, 2018, to be paid as follows: 37.5% by Texas, 37.5% by New Mexico, 20% by the United States, and 5% by Colorado.
May 23, 2018
Answer of New Mexico to Texas Complaint filed with Special Master May 23, 2018, received by the Court May 30, 2018.
May 23, 2018
Answer of New Mexico to United States Complaint filed with Special Master May 23, 2018, received by the Court May 30, 2018.
May 23, 2018
New Mexico Counterclaims filed with the Special Master May 23, 2018, received by the Court May 30, 2018.
Jul 20, 2018
Answer of Texas to New Mexico's Counterclaims filed with the Special Master July 20, 2018, received by the Court July 24, 2018.
Jul 23, 2018
Answer of United States to New Mexico's counterclaims filed with the Special Master July 23, 2018, received by the Court July 23, 2018.
Mar 20, 2019
Motion for leave to intervene filed by Nathan Boyd Estate, et al.
Mar 22, 2019
Motion to extend the time to file responses to the motion for leave to intervene from April 1, 2019 to April 19, 2019, submitted to The Clerk.
Mar 27, 2019
Motion to extend the time to file responses to the motion for leave to intervene is granted and the time is extended to and including April 19, 2019, for all parties.
Apr 18, 2019
Response to motion for leave to intervene from petitioner Texas filed.
Apr 19, 2019
Motion to extend the time to file response to the motion for leave to intervene from April 19, 2019 to May 20, 2019, submitted to The Clerk.
Apr 19, 2019
Motion to extend the time to file response to the motion for leave to intervene is granted and the time is extended to and including May 20, 2019.
Apr 19, 2019
Response to motion for leave to intervene from respondent Colorado filed.
Apr 19, 2019
Response to motion for leave to intervene from respondent New Mexico filed.
Apr 23, 2019
Motion to extend the time to file reply in support of motion for leave to intervene to June 10, 2019, submitted to the Clerk.
Apr 26, 2019
Motion to extend the time to file reply in support of motion for leave to intervene is granted, and the time is extended to June 10, 2019.
May 20, 2019
Brief for the United States in Opposition to the Motion for Leave to Intervene of the Nathan Boyd Estate, et al. filed.
May 28, 2019
DISTRIBUTED for Conference of 6/13/2019.
Jun 5, 2019
Application (18A1271) to file a reply in excess of the word limit, submitted to Justice Alito.
Jun 7, 2019
Reply of Nathan Boyd Estate, et al. filed.
Jun 10, 2019
Letter withdrawing application (18A1271) to to file a reply in excess of the word limit received.
Jun 17, 2019
Motion for leave to intervene filed by Nathan Boyd Estate, et al. referred to the Special Master.
Dec 3, 2019
Second Interim Report of the Special Master received.
Dec 18, 2019
DISTRIBUTED for Conference of 1/10/2020.
Jan 13, 2020
The Second Interim Report of the Special Master on the motion of Nathan Boyd Estate, et al. for leave to intervene is received and ordered filed. The motion of Nathan Boyd Estate, et al. for leave to intervene is denied.
Jul 3, 2023
Third Interim Report of the Special Master received.
Jul 24, 2023
The Third Interim Report of the Special Master is received and ordered filed. Exceptions to the Report, with supporting briefs, may be filed within 45 days. Replies, if any, with supporting briefs, may be filed within 30 days. Sur-replies, if any, with supporting briefs, may be filed within 30 days.
Aug 31, 2023
Joint motion for an extension of time filed.
Sep 5, 2023
Revised joint motion for an extension of time filed.
Sep 6, 2023
The revised joint motion for an extension is granted. Exceptions to the Third Interim Report of the Special Master, with supporting briefs, may be filed by October 6, 2023. Replies, if any, with supporting briefs, may be filed by December 4, 2023. Sur-replies, if any, with supporting briefs, may be filed by January 3, 2024.
Oct 6, 2023
Exception of the United States and brief for the United States in support of exception filed.
Oct 6, 2023
Joint notice that Texas, New Mexico and Colorado have no exceptions to the Third Interim Report of the Special Master filed.
Oct 13, 2023
Brief amicus curiae of Elephant Butte Irrigation District filed.
Oct 13, 2023
Brief amicus curiae of El Paso County Water Improvement District No. 1 filed.
Dec 4, 2023
Joint reply to exception of the United States by Texas, New Mexico, and Colorado filed.
Dec 7, 2023
Brief amicus curiae of New Mexico Pecan Growers, et al. filed.
Dec 8, 2023
Brief amicus curiae of New Mexico State University, et al. filed.
Dec 11, 2023
Brief amicus curiae of Albuquerque Bernalillo County Water Utility Authority, et al. filed.
Dec 11, 2023
Brief amicus curiae of water law professors filed.
Dec 11, 2023
Brief amicus curiae of Utah, et al. filed.
Jan 3, 2024
DISTRIBUTED for Conference of 1/19/2024.
Jan 3, 2024
Sur-reply of the United States filed.
Jan 22, 2024
The exception to the Third Interim Report of the Special Master is set for oral argument in due course.
Jan 29, 2024
SET FOR ARGUMENT on Wednesday, March 20, 2024.
Feb 7, 2024
Motion for divided argument filed by Texas and New Mexico.
Feb 20, 2024
Motion for divided argument filed by Texas and New Mexico GRANTED.
Mar 20, 2024
Argued. For United States: Frederick Liu, Assistant to the Solicitor General, Department of Justice, Washington, D. C. For Texas: Lanora C. Pettit, Principal Deputy Solicitor General, Austin, Tex. For New Mexico: Jeffrey J. Wechsler, Santa Fe, N. M.
Jun 21, 2024
EXCEPTION SUSTAINED. Jackson, J., delivered the opinion of the Court, in which Roberts, C. J., and Sotomayor, Kagan, and Kavanaugh, JJ., joined. Gorsuch, J., filed a dissenting opinion, in which Thomas, Alito, and Barrett, JJ., joined.
Jul 17, 2024
The Honorable Michael J. Melloy, of Cedar Rapids, Iowa, the Special Master in this case, is hereby discharged with the thanks of the Court. It is ordered that the Honorable D. Brooks Smith, of Duncansville, Pennsylvania, is appointed Special Master in this case with authority to fix the time and condition for proceedings, to summon witnesses, to issue subpoenas, and to take such evidence as may be introduced and such as he may deem it necessary to call for. The Special Master is directed to submit reports as he may deem appropriate. The cost of printing his reports, and all other proper expenses, including travel expenses, shall be submitted to the Court.
Feb 6, 2026
Fourth Interim Report of the Special Master received.
Feb 11, 2026
DISTRIBUTED for Conference of 2/27/2026.
Mar 2, 2026
The Fourth Interim Report of the Special Master is received and ordered filed. Exceptions to the Report, with supporting briefs, may be filed within 45 days. Replies, if any, with supporting briefs, may be filed within 30 days. Sur-replies, if any, with supporting briefs, may be filed within 30 days.

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