Rapanos v. United States & Carabell v. United States

Because the Navigable Waters Protection Rule is in effect across the country, the guidance materials listed below are no longer applicable. They are provided for informational purposes only.

Documents associated with guidance for implementing the definition of "waters of the United States" under the Clean Water Act following the Rapanos v. United States, and Carabell v. United States Supreme Court decision.

• Clean Water Act Jurisdiction Following the U.S. Supreme Court's Decision in Rapanos v. United States & Carabell v. United States (pdf)
• Questions and Answers Regarding the Revised Rapanos & Carabell Guidance (pdf)
• June 2007 Legal Memorandum (pdf)
  This guidance is superseded by the December 2008 guidance
• June 2007 Memorandum of Agreement regarding Coordination on Jurisdictional Determinations under Clean Water Act Section 404 in Light of the SWANCC and Rapanos Supreme Court Decisions (pdf)
• Rapanos v. United States - June 19, 2006 (pdf)