This is the reason the risk is too great!
Besides, when you look at the history of these companies ability to keep the environment safe & correct a leak fast, its definitely NOT worth the risk!
Keystone XL pipeline may threaten aquifer that irrigates much of the central U.
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At the heart of their battle is whether the pipeline would pose a threat to the massive Ogallala Aquifer — one of the world’s largest underground sources of fresh water. By one calculation, it holds enough water to cover the country’s 48 contiguous states two feet deep. The Ogallala stretches beneath most of Nebraska from the Sand Hills in the west to the outskirts of Omaha. And it runs from South Dakota well past Lubbock, Tex.
Named after a Northern Plains tribe, the Ogallala provides water to farms in eight states, accounting for a quarter of the nation’s cropland, as well as municipal drinking wells. Though early white explorers who saw this apparently arid part of the Great Plains called it a “great American desert,” the aquifer has turned it into America’s breadbasket.
The spongelike aquifer formed more than 20 million years ago, when erosions of gravel and sand from the Rocky Mountains were washed downstream. It is replenished by rain and melting snow, but it gets just two to five inches of precipitation a year, according to a TransCanada filing to the Nebraska Department of Environmental Quality. Much of the water it holds was absorbed thousands or millions of years ago.
In some places the aquifer is buried 1,200 feet deep, but in many places it is at or very close to the surface, often less than five feet below ground. In these places, you can literally stick a stake in the ground and hit water. Extensive stretches of Nebraska’s plains require no irrigation; to keep cattle watered, ranchers just dig a hole and the water flows in.
more:
https://www.washingtonpost.com/national/health-science/keystone-xl-pipeline-may-threaten-aquifer-that-irrigates-much-of-the-central-us/2012/08/06/7bf0215c-d4db-11e1-a9e3-c5249ea531ca_story.html
DO SOMETHING!
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