An honest-to-goodness map of the American West would show L.A.’s tentacles everywhere.

You’d see canals — the Los Angeles Aqueduct, running along the base of the Sierra Nevada, carrying water from the Owens River; the State Water Project, meandering through the San Joaquin Valley, supplying many Southern California cities and farms; and the Colorado River Aqueduct, cutting through the desert on its mission to deliver water from desert to coast.