id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
en-wikipedia-org-93		Drinking water supply and sanitation in the United States - Wikipedia			.html	text/html	16136	1791	62	The watershed is in one of the largest protected wilderness areas in the United States.[38] San Francisco obtains 85% of its drinking water from high Sierra snowmelt through the Hetch Hetchy Reservoir in Yosemite National Park.[39] However, to supplement the imported water supply, and to help maintain delivery of drinking water in the event of a major earthquake, drought or decline in the snowpack, San Francisco considers the use of alternative locally produced, sustainable water sources such as reclaimed water for irrigation, local groundwater and desalination during drought periods, all as part of its Water Supply Diversification Program.[40] The largest source of water supply for Portland, Oregon, is the Bull Run Watershed.[41] Denver receives its water almost entirely from mountain snowmelt in a number of highly protected watersheds in more than 9 counties.	./cache/en-wikipedia-org-93.html	./txt/en-wikipedia-org-93.txt