Drinking water supply and sanitation in the United States in White Pine County, north of the city straddling the Utah border and other areas, pumping it to Las Vegas through a US$2 billion pipeline. Phoenix draws about half of its drinking water from the Salt River–Verde River watershed, and about 40% from the Colorado River further downstream at Lake Havasu through the Central Arizona Project. Los Angeles obtains about half of its drinking water from the Owens River and Mono Lake through the Los Angeles Aqueduct, with additional supplies from Lake Havasu through the Colorado River Aqueduct. San Diego imports nearly 90 percent of its water from other areas,
Havasu Wilderness of trees grow in washes with willows and salt cedar found at the edges of the river. Havasu Wilderness is home to a variety of wildlife, including species of quail, geese, duck, grebe, crane, rail (including the endangered Yuma rail), heron, egret, falcon, eagle, desert bighorn sheep, coyote, porcupine, fox, and bobcat. Gila monster and the endangered desert tortoise can also be found in the wilderness. Fires, mechanized vehicles, some types of boats, and camping are not permitted in Havasu Wilderness. The most common activities are hiking and wildlife watching. Havasu Wilderness Havasu Wilderness is a wilderness area located within