This basically consists of injecting anhydrous ammonia at the well head and then spraying it into the air over the monoculture corn crop....millions of gallons every day throughout the growing season.
They've done far more damage to the water supply than any pipeline breach could cause.
I live near Phoenix part of the year and visit malls. There, I seldom see a mom pushing or walking with a Down Syndrome child.
OTOH, I go to my home town in Iowa and see in the local mall, never less than 3-6 such afflicted people. This in an area of ~ 60,000 folks.
My sister says it is because the people of AZ are ashamed to parade their DS kids.
I hardly think so!