The NCSL Blog


By Lisa Soronen

We are one step closer to the U.S. Supreme Court deciding the ultimate question regarding the “waters of the United States” regulations, which is, of course: "Are they lawful?"

helicopter over harborThe Supreme Court has agreed to decide whether federal courts of appeals versus federal district courts (lower courts) have the authority to rule whether the “waters of the United States” (WOTUS) regulations are lawful.

Numerous states and local governments have challenged the WOTUS regulations. In National Association of Manufacturers v. Department of Defense, the Supreme Court will not rule whether the regulations are lawful. Instead, they will simply decide which court gets to take the first crack at deciding that question..

The regulations define the term “waters of the United States,” as used in the Clean Water Act. The definition of this term determines the scope of federal authority to regulate water and when states, local governments, and others must seek federal permits to develop land because it contains WOTUS. States and local governments object to numerous aspects of the definition as too broad.      .

Most federal legal challenges begin in federal district courts, whose decisions are then reviewed by federal courts of appeals. Per the Clean Water Act, a number of decisions by the Environmental Protection Agency administrator must be heard directly in federal courts of appeals, including agency actions “in issuing or denying any permit.”

A definitional regulation like the WOTUS regulation does not involve the issuing or denying of a permit. Nevertheless, the 6th U.S. Circuit Court of Appeals concluded that it has jurisdiction to decide whether the WOTUS regulations are lawful.

Judge David McKeague, writing for the court, relied on a 2009 6th Circuit decision National Cotton Council v. EPA, which held that this provision encompasses “not only of actions issuing or denying particular permits, but also of regulations governing the issuance of permits.” The definition of WOTUS affects permitting requirements. A concurring judge stated he believed National Cotton was wrongly decided but that the court was bound by it.   

The Supreme Court has likely stepped in to resolve this dispute because it is a waste of judicial resources for federal courts of appeals to decide whether WOTUS regulations are lawful if they don’t have the jurisdiction to make this determination. Even before deciding whether it had jurisdiction to hear this case, the 6th Circuit issued a nationwide preliminary injunction ruling that the WOTUS regulations are unlawful. 

Why does it matter whether federal courts of appeals versus federal district courts have the authority to decide whether the WOTUS regulations are lawful? In its amicus brief asking the court to decide this case, Ohio, joined by nearly 30 other states, points out that if these (and other) regulations must be reviewed by federal courts of appeals within 120 days following their enactment and are not, they cannot be challenged in a later enforcement proceeding. But whether states and local governments and others object to a regulation will often depend on how it is applied. So potential future litigants may have no reason to challenge a regulation until long after the 120-day window has passed, but will be barred from doing so in the future. 

Lisa Soronen is executive director of the State and Local Legal Center. She is a frequent contributor to the NCSL Blog on a range of judicial issues. 



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This blog offers updates on the National Conference of State Legislatures' research and training, the latest on federalism and the state legislative institution, and posts about state legislators and legislative staff. The blog is edited by NCSL staff and written primarily by NCSL's experts on public policy and the state legislative institution.