| ~~~Date~~~ | ~~~~~~~Proceedings  and  Orders~~~~~~~~~~~~~~~~~~~~~ | 
| Feb 23 2011 | Petition for a writ of certiorari filed. (Response due March 28, 2011) | 
| Mar 2 2011 | Consent to the filing of amicus briefs, in support of either party or of neither party, received from counsel for the petitioners. | 
| Mar 23 2011 | Order extending time to file response to petition to and including April 27, 2011. | 
| Mar 25 2011 | Brief amici curiae of Center for Constitutional  Jurisprudence et al. filed. | 
| Mar 28 2011 | Brief amicus curiae of American Civil Rights Union filed. | 
| Mar 28 2011 | Brief amici curiae of National Association of Home Builders, et al. filed. | 
| Apr 20 2011 | Order further extending time to file response to petition to and including May 27, 2011. | 
| Apr 25 2011 | Letter of April 21, 2011, from counsel for petitioners received. | 
| May 27 2011 | Brief of respondents Environmental Protection Agency, et al. in opposition filed. | 
| Jun 3 2011 | Reply of petitioner Chantell Sackett, et vir filed. | 
| Jun 7 2011 | DISTRIBUTED for Conference of June 23, 2011. | 
| Jun 23 2011 | DISTRIBUTED for Conference of June 27, 2011. | 
| Jun 28 2011 | Petition GRANTED limited to the following questions: 1. May petitioners seek pre-enforcement judicial review of the administrative compliance order pursuant to the Administrative Procedure Act, 5 U. S. C. �704?  2. If not, does petitioners� inability to seek pre-enforcement judicial review of the administrative compliance order violate their rights under the Due Process Clause? | 
| Jul 6 2011 | The time to file the joint appendix and petitioners' brief on the merits is extended to and including September 26, 2011. | 
| Jul 6 2011 | The time to file respondents' brief on the merits is extended to and including November 23, 2011. | 
| Sep 23 2011 | Joint appendix filed.  (Statement of costs filed) | 
| Sep 23 2011 | Brief of petitioners Chantell Sackett, et vir filed. | 
| Sep 29 2011 | Brief amici curiae of Wet Weather Partnership, et al. filed. | 
| Sep 30 2011 | Brief amici curiae of Center for Constitutional  Jurisprudence, et al. filed. | 
| Sep 30 2011 | Brief amici curiae of National Association of Home Builders, et al. filed. | 
| Sep 30 2011 | Brief amici curiae of American Farm Bureau Federation, et al. filed. | 
| Sep 30 2011 | Brief amicus curiae of Institute for Justice filed. | 
| Sep 30 2011 | Brief amicus curiae of General Electric Co. filed. | 
| Sep 30 2011 | Brief amicus curiae of Competitive Enterprise Institute filed. | 
| Sep 30 2011 | Brief amicus curiae of Chamber of Commerce of the United States of America filed. | 
| Sep 30 2011 | Brief amicus curiae of American Civil Rights Union filed. | 
| Sep 30 2011 | Brief amicus curiae of National Association of Manufacturers filed. | 
| Sep 30 2011 | Brief amicus curiae of Mountain States Legal Foundation filed. | 
| Sep 30 2011 | Brief amici curiae of Alaska, et al. filed. | 
| Sep 30 2011 | Letter from counsel for amici American Petroleum Institute, et al. proposing to lodge documents related to the Clean Water Act. | 
| Sep 30 2011 | Brief amici curiae of American Petroleum Institute, et al. filed. | 
| Oct 3 2011 | Brief amicus curiae of APA Watch in support of neither party filed. | 
| Nov 14 2011 | SET FOR ARGUMENT ON Monday, January 9, 2012. | 
| Nov 15 2011 | CIRCULATED. | 
| Nov 18 2011 | Record received from U.S.C.A. for 9th Circuit.  (1 envelope) | 
| Nov 18 2011 | Record from U.S.D.C for District of Idaho is electronic. | 
| Nov 23 2011 | Brief of respondents Environmental Protection Agency, et al. filed.  (Distributed) | 
| Nov 30 2011 | Letter from Natural Resources Defense Counsel, et al., proposing a lodging of relevant  FOIA material obtained  from the Army Corps of Engineers. | 
| Nov 30 2011 | Motion for leave to file amici brief filed by Natural ResourcesDefense Council, et al. (Distributed) | 
| Dec 9 2011 | Petitioners' opposition to motion of Natural Resources Defense Council, et al. for leave to file a brief as amici curiae. | 
| Dec 9 2011 | Petitioners' objection to lodging proposal of Natural Resource Defense Council, et al. | 
| Dec 15 2011 | Reply of Natural Resource Defense Council, et al. to petitioners' opposition to motion to file amici curiae brief. | 
| Dec 15 2011 | Reply of Natural Resource Defense Council, et al. to petitioners' opposition to lodging proposal. | 
| Dec 21 2011 | Reply of petitioners Chantell Sackett, et vir filed.  (Distributed) | 
| Jan 6 2012 | Motion for leave to file amici brief filed by Natural Resources Defense Council, et al. GRANTED. | 
| Jan 9 2012 | Argued.  For petitioners:  Damien M. Schiff, Sacramento, Cal.  For respondents:  Malcolm L. Stewart, Deputy Solicitor General, Department of Justice, Washington, D. C. | 
| Mar 21 2012 | Judgment REVERSED and case REMANDED.  Scalia, J., delivered the opinion for a unanimous Court.  Ginsburg, J., and Alito, J., filed concurring opinions. | 
| Apr 23 2012 | JUDGMENT ISSUED. |