On May 31, 2016, the U.S. Supreme Court in U.S. Army Corps of Engineers v. Hawkes Co. (Hawkes) unanimously held that a U.S. Army Corps of Engineers approved jurisdictional determination is a final agency action subject to judicial review under the Administrative Procedure Act. This June 24, 2016 joint memorandum provides interim guidance to field staff in light of the decision.

• Memorandum: Administration of Clean Water Act Programs - Approved Jurisdictional Determinations (Interim Guidance) (PDF)(2 pp, 100 K, June 24, 2016)