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Dakota Access gets federal easement conditions at Lake Oahe
The Army Corps says its final review is now on the record, and the pipeline can keep the Lake Oahe crossing only under added limits. The notice follows the final environmental statement published in December.
The U.S. Army Corps of Engineers has approved the Dakota Access Pipeline to keep its crossing under Lake Oahe in North Dakota, but only with added conditions. The decision, released June 5, 2026, follows the final environmental review the agency published in December.
Effective date: June 5, 2026
For the Dakota Access Pipeline, the practical change is that the U.S. Army Corps of Engineers has chosen the option that lets the line keep its Lake Oahe crossing, but only under federal conditions. The easement is the legal permission that keeps that stretch of the route in place, and the added limits mean it is not an open-ended one.
What the federal review now fixes
The decision sits under the National Environmental Policy Act, the federal law that requires agencies to weigh environmental effects before approving certain projects. At this point, the environmental review is no longer just a paper exercise. It has become the operating framework for the crossing at Lake Oahe.
For nearby communities, tribes, landowners and the company behind the pipeline, the important part is the condition attached to the easement. The pipeline can continue at that point, but the Corps has tied that access to the terms it chose in the final review.
Agency: Department of the Army, U.S. Army Corps of Engineers, DoD. CFR parts: Department of Defense National Environmental Policy Act Implementing Procedures Effective date: June 5, 2026 Contact: Brent Cossette • (402) 995-2716 • brent.j.cossette@usace.army.mil • U.S. Army Corps of Engineers, Omaha District, 1616 Capitol Avenue, Suite 9000, Omaha, Nebraska 68102