The San Luis Reservoir was once a reservoir in New California, but dried up sometime between the Great War and 2281.[1]


The San Luis Reservoir is mentioned only in Fallout: New Vegas.

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  1. Hanlon's dialogue: "Back west, you don't see too many of these. Lakes, I mean. Natural or man-made. Any kind, really. We neglected the dams or pumped all the water out a long time ago. Owens, Isabella, the San Luis. Drained the aquifers of everything they had. Just a lot of mud and dust now. It's a different feeling, watching the sun come up over the water. Takes some getting used to."