The Grand Canyon's only freshwater pipeline is under greater strain than ever and risks 'catastrophic failure' in the near future, according to a new investigative report from Arizona's KPHO news channel.
Completed in the 1960s, the park's trans-canyon water system is the primary source of drinking water for some 4 million visitors per year. The 17-mile-long pipeline carries the water from Roaring Springs beneath the North Rim all the way to the South Rim, allowing hikers to refill along the way. But breakdowns have become more frequent in recent years. Check out the station's full report: