Just adding to this, not far south of Las Vegas the Central Arizona Project is a rather large canal (so not exactly a pipeline but close enough) which transport

Just adding to this, not far south of Las Vegas the Central Arizona Project is a rather large canal (so not exactly a pipeline but close enough) which transports Colorado River water to Phoenix and Tucson. https://en.wikipedia.org/wiki/Central_Arizona_Project https://en.wikipedia.org/wiki/Central_Arizona_Project