The Standing Rock Sioux Tribe, whose reservation is close to the pipeline's route, objects to the project, saying it would endanger the tribe's water supply by crossing the nearby Missouri River, and destroy sacred Native American sites.
Vietējā cilts, kuras rezervāts atrodas tuvu cauruļvada izbūves vietai, uzskata, ka tas apdraudēs ūdens piegādi rezervātam un izpostīs indiāņu svētvietas.