High Quality Content by WIKIPEDIA articles! The Keystone XL Pipeline (TransCanada) is a proposed addition to the Keystone Pipeline that would primarily carry dilute bitumen (dilbit) from the Athabasca oil sands in Alberta, Canada, to refineries near the Gulf of Mexico in Texas. The pipeline addition would consist of 36" diameter pipes buried 4' underground; extend over 1,700 miles; and carry up to 830,000 barrels per day (bpd). Potential environmental impacts from developing the Keystone XL section include effects to the wetlands, shallow groundwater, nearby surface water, and sensitive plant and animal species. Of the potential environmental impacts, contamination of the Ogallala Aquifer is a major concern of many agencies as well as the public. The Ogallala Aquifer supplies ~30% of the United States' total irrigation water and ~82% of the drinking water for the >2.3 million people (1990 Census) who live within the aquifer boundary. The region accounts for 19 percent of wheat, 19...

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