Tribal Chairmen sent a letter to the U.S. Army Corps of Engineers on Sept. 22 responding to the flawed and irredeemable Environmental Impact Statement process and calling on the agency to terminate its contract with the firm preparing the document.

The Standing Rock Sioux Tribe submitted technical comments, which highlighted how the Army Corps continues to ignore the Tribe’s input and refuse to share technical documents.

Dakota Access files a petition for certiorari, seeking Supreme Court review of the decision by the D.C. Circuit Court of Appeals.

The Pipeline Hazardous Materials and Safety Administration (PHMSA), which is responsible for overseeing pipeline safety, fined DAPL and put the company on notice for a list of violations ranging from neglecting safety repairs on release valves, to failing to properly analyze the volume and impact of an oil spill in densely populated, or “high-consequence,” areas.

A PHMSA enforcement action drew an immediate response from the U.S. Army Corps of Engineers, which submitted a court filing to alert a federal judge to the recent developments.

A federal district court issued an order denying the Standing Rock Sioux Tribe’s request for an injunction that would have shut down the Dakota Access Pipeline while a federal environmental impact analysis is conducted.

The U.S. Army Corps of Engineers under Biden formally opposed a court-ordered shutdown of DAPL.

Writing in support of the January 19, 2021, letter of the elected leaders of the Standing Rock, Cheyenne River, and Oglala Sioux Tribes requesting that the Biden administration immediately halt the construction and operation of the Dakota Access Pipeline.

Requesting the Biden-Harris administration immediately shut down the Dakota Access Pipeline during its court-ordered environmental review

Congressmembers Nanette Diaz Barragán, Raul Ruiz, Raúl Grijalva and Senators Jeff Merkley and Elizabeth Warren urge President Joe Biden to order a shutdown of the Dakota Access Pipeline (DAPL) during its court-ordered environmental review.

D.C. Circuit Court Opinion for Standing Rock Sioux Tribe, et. al., v. United States Army Corps of Engineers, Dakota Access LLC.

Elected leaders of the Standing Rock Sioux Tribe, Cheyenne River Sioux Tribe, Oglala Sioux Tribe, and Yankton Sioux Tribe sent a letter to President Joe Biden requesting quick, decisive action on the Dakota Access Pipeline within the first 10 days of his administration.

Evaluation of the Safety and Environmental Impact of the Dakota Access Pipeline 11-24-20

Issued by the Standing Rock Sioux Tribe. Prepared under the direction of Mike Faith, Jr., Chairman, Standing Rock Sioux Tribe.

Press release from Standing Rock Sioux Tribe demanding a true consultation on DAPL.

Declarations from Tribal staff, an economist, and a pipeline safety expert in support of the Standing Rock Sioux Tribe and other plaintiff Tribes' renewed request for an injunction shutting down the pipeline.

The Standing Rock Sioux Tribe, along with other plaintiff Tribes, renews its request for an injunction shutting down the pipeline.

DAPL's final brief in the D.C. Circuit appeal of the decision to require an EIS and shut down the pipeline.