Below are regulatory announcements, in chronological order, which are both current and historical. Current announcements provide information regarding ongoing regulatory processes and happenings. Historical announcements remain posted, as long as they remain up-to-date and applicable, to provide the public with a transparent record of changes and improvements to our program.

Regulatory Announcements

Notice of Availability of the Interim Draft of the National Ordinary High Water Mark Field Delineation Manual for Rivers and Streams

PORTLAND DISTRICT

Published Dec. 6, 2022

Expiration date: 12/6/2026

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The U.S. Army Corps of Engineers (USACE) and EPA (the Agencies) jointly announce the availability of the Interim Draft of the National Ordinary High Water Mark Field Delineation Manual for Rivers and Streams (National OHWM Manual) and its accompanying data sheet.

Notice of Availability of the Interim Draft of the National Ordinary High Water Mark Field Delineation Manual for Rivers and Streams

Related Corps and federal and state agency websites

U.S. Army Corps of Engineers (USACE) Headquarters Regulatory page
USACE Regulatory in-lieu fee and bank tracking system (RIBITS)
USACE Standard Local Operating Procedures for Endangered Species (SLOPES)
U.S. Environmenal Protection Agency (EPA)
National Marine Fisheries Service (NMFS)
Oregon Department of State Lands Permits (ODSL)
Oregon Department of Environmental Quality (ODEQ)
Oregon Heritage State Historic Preservation Office (SHPO)