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The Santa Cruz River depends on treated effluent, some of it from Mexico, because groundwater pumping has depleted the water table.

Some residents of Santa Cruz County are warning that the pipeline carrying raw sewage from Mexico into the United States could rupture as it did during last year’s monsoon, when it spewed millions of gallons of waste into the Nogales Wash over seven days. Read more»

Michael Norris works for the federal Bureau of Reclamation and oversees the Yuma Desalting Plant. He blames Congress for not appropriating funds to operate the plant.

Getting the Yuma Desalting Plant to full capacity would cost more than $55 million, according to a CAP report. Read more» 1

Waterfowl stop at Cibola National Wildlife Refuge. A bill in Congress would expand the refuge by swapping 80 acres of federal land in California for 40 acres of private land abutting Cibola in La Paz County.

The bill would swap 80 acres of federally owned land in California's Riverside County for 40 acres of private farmland abutting the Cibola National Wildlife Refuge in La Paz County that is important habitat and wintering grounds for migratory birds and other wildlife." Read more»

The ferruginous cactus pygmy-owl is relatively rare in the United States, but the U.S. Fish and Wildlife Service ruled this week that the 6- to 7-inch birds are not endangered.

The U.S Fish and Wildlife Service refused to grant threatened- or endangered-species status Wednesday to the cactus ferruginous pygmy-owl, even though there may be fewer than 50 of the birds left in the state. Read more» 1

Troy DeVos, director of real estate for Tulsa, Okla.-based QuikTrip Corp., shows desert landscaping at a new store in Tucson. QuikTrip volunteered to have its 12 new gas stations comply with a Tucson ordinance taking effect in June that will require new commercial developments to get at least half of the water needed for landscaping from rain.

Starting in June, a city ordinance that's the first of its kind in the nation will require all new commercial developments to obtain at least half of the water for landscaping from Tucson's annual rainfall of 11 to 12 inches. Read more»