No part of the pipeline will be installed on the Standing Rock reservation.
99.98% of the pipeline is installed on privately owned property in North Dakota, South Dakota, Iowa, and Illinois. The remaining 0.02% of the land is owned by the Federal Government and is part of its crossing beneath Lake Oahe. This part of the pipeline is tunneled using state of the art Horizontal Directional Drilling (HDD) through soil nearly 100 feet below the bottom of the lake. This is about 20 times deeper than an existing pipeline that was installed beneath the same lake in 1982 and has operated safely for about 35 years.
In fact, eight pipelines currently pass below Lake Oahe, as well as one high-energy electrical system.
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