| ~~~Date~~~ | ~~~~~~~Proceedings  and  Orders~~~~~~~~~~~~~~~~~~~~~ | 
| Jan 19 2012 | Petition for a writ of certiorari filed. (Response due February 21, 2012) | 
| Feb 20 2012 | Brief amicus curiae of Upper Trinity Regional Water District filed. | 
| Feb 21 2012 | Brief of respondent Rudolf John Herrmann, et al. in opposition filed. | 
| Feb 21 2012 | Brief amicus curiae of Texas filed. | 
| Feb 21 2012 | Brief amicus curiae of North Texas Municipal Water District filed. | 
| Feb 21 2012 | Motion for leave to file amici brief filed by City of Irving, Texas, City of Hugo, Oklahoma and Hugo Municipal Authority. | 
| Feb 21 2012 | Letter proposing a lodging of non record material received from counsel for amici City of Irving, Texas, et al. | 
| Mar 6 2012 | Reply of petitioner Tarrant Regional Water District filed. | 
| Mar 7 2012 | DISTRIBUTED for Conference of March 23, 2012. | 
| Mar 26 2012 | DISTRIBUTED for Conference of March 30, 2012. | 
| Apr 2 2012 | The Solicitor General is invited to file a brief in this case expressing the views of the United States. | 
| Nov 30 2012 | Brief amicus curiae of United States filed. | 
| Dec 11 2012 | Supplemental brief of respondents Rudolf John Herrmann, et al. filed. | 
| Dec 12 2012 | DISTRIBUTED for Conference of January 4, 2013. | 
| Dec 12 2012 | Supplemental brief of petitioner Tarrant Regional Water District filed.  (Distributed) | 
| Dec 20 2012 | Lodging received from counsel for amici City of Irving, Texas, et al. in electronic format. | 
| Jan 4 2013 | Motion for leave to file amici brief filed by City of Irving, Texas, City of Hugo, Oklahoma and Hugo Municipal Authority GRANTED. | 
| Jan 4 2013 | Petition GRANTED. | 
| Feb 11 2013 | SET FOR ARGUMENT ON Tuesday, April 23, 2013 | 
| Feb 12 2013 | Consent to the filing of amicus curiae briefs, in support of either party or of neither party, received from counsel for the respondents. | 
| Feb 19 2013 | Consent to the filing of amicus curiae  briefs, in support of either party or of neither party, received  from counsel for the petitioner. | 
| Feb 19 2013 | Joint appendix filed. (Two Volumes)  (Statement of costs filed.) | 
| Feb 19 2013 | Brief of petitioner Tarrant Regional Water District filed. | 
| Feb 20 2013 | Proposal of counsel for petitioners to lodge copies of non-record material which were relied on in their opening brief. | 
| Feb 25 2013 | Brief amici curiae of City of Irving, Texas, City of Hugo, Oklahoma, and Hugo Municipal Authority filed. | 
| Feb 25 2013 | Brief amicus curiae of North Texas Municipal Water District filed. | 
| Feb 25 2013 | Brief amicus curiae of Upper Trinity Regional Water District filed. | 
| Feb 26 2013 | Brief amici curiae of Olen Paul Matthews and Michael Pease filed. | 
| Feb 26 2013 | Brief amicus curiae of City of Dallas filed. | 
| Feb 26 2013 | Brief amicus curiae of United States supporting Vacatur and Remand filed. | 
| Feb 26 2013 | Brief amici curiae of Fort Worth Chamber of Commerce, et al. filed. | 
| Feb 26 2013 | Brief amicus curiae of Texas filed. | 
| Feb 26 2013 | Brief amicus curiae of Texas Water Conservation Association filed. | 
| Feb 26 2013 | Brief amici curiae of Cities of Arlington and Fort Worth, Texas filed.  (Distributed) | 
| Feb 26 2013 | Brief amicus curiae of North Texas Commission filed.  (Distributed) | 
| Feb 28 2013 | Record Received from the U.S.C.A. for the 10th Circuit.  (1-Box ) | 
| Mar 1 2013 | CIRCULATED. | 
| Mar 21 2013 | Brief of respondent Rudolf John Herrmann, et al. filed.  (Distributed) | 
| Mar 27 2013 | Brief amicus curiae of Oklahomans for Responsible Water Policy filed.  (Distributed) | 
| Mar 27 2013 | Brief amici curiae of Louisiana and Arkansas filed.  (Distributed) | 
| Mar 27 2013 | Brief amici curiae of Republican River Water Conservation District, et al. filed.  (Distributed) | 
| Mar 27 2013 | Brief amicus curiae of Oklahoma Independent Petroleum Association filed.  (Distributed) | 
| Mar 28 2013 | Motion of the Solicitor General for leave to participate in oral argument as amicus curiae and for divided argument filed. | 
| Mar 28 2013 | Brief amici curiae of Professors of law and political science filed.  (Distributed) | 
| Mar 28 2013 | Brief amicus curiae of City of Oklahoma City and Oklahoma City Water Utilities Trust filed. | 
| Mar 28 2013 | Brief amici curiae of States of Colorado, et al. filed.  (Distributed) | 
| Mar 28 2013 | Brief amici curiae of Chickasaw and Choctaw Nations filed.  (Distributed) | 
| Mar 28 2013 | Proposal of amici Oklahoma City Water Utilities Trust to lodge non-record material. | 
| Apr 9 2013 | Lodging consisting of three documents received from counsel for the petitioner.
(Distributed). | 
| Apr 12 2013 | Motion of the Solicitor General for leave to participate in oral argument as amicus curiae and for divided argument GRANTED. | 
| Apr 15 2013 | Reply of petitioner Tarrant Regional Water District filed.  (Distributed) | 
| Apr 23 2013 | Argued.  For petitioner:  Charles A. Rothfeld, Washington, D. C.; and Ann O'Connell, Assistant to the Solicitor General, Department of Justice, Washington, D. C. (for United States, as amicus curiae.)  For respondents:  Lisa S. Blatt, Washington, D. C. | 
| Jun 13 2013 | Adjudged to be AFFIRMED.  Sotomayor, J., delivered the opinion for a unanimous Court. | 
| Jul 15 2013 | JUDGMENT ISSUED. | 
| Aug 16 2013 | Record returned to U.S.C.A. for 10th Circuit. |