In charge of protecting the farmers and crops from wastelanders, he makes sure the water stays pumping from Lake Mead and that the farmers are generally happy. He was contacted by Corporal White, but didn't believe him about the water shortage. He believes that White is a glory hound and is admittedly a soldier, not a thinker.
"Impressive, aren't they? You don't see anything like this outside of NCR territory, that's for sure. We get the water - clean water - pumped in from Lake Mead. If you follow the big pipes, they'll take you all the way to the Lake."