Holding: The petitioners may bring a civil action under the Administrative Procedure Act to challenge the issuance of the Environmental Protection Agency’s administrative compliance order under Section 309 of the Clean Water Act, requiring them to take certain actions with respect to their property.
Judgment: Reversed, 9-0, in an opinion by Justice Scalia on March 21, 2012. Justices Ginsburg and Alito each filed concurring opinions.
Merits Briefs for the Petitioners
Amicus Briefs in Support of the Petitioners
Amicus Briefs in Support of Neither Party
Merits Briefs for the Respondents
Amicus Briefs is Support of the Respondents