The following organizations support the restoration of Hetch Hetchy Valley as long as a fair and cost effective plan is developed to replace the high-quality water and power supply benefits that are currently provided by the reservoir:

• The Sierra Club
• Environmental Defense Fund
• American Rivers
• Planning and Conservation League
• Earthjustice
• Mono Lake Committee
• National Wildlife Federation
• Natural Heritage Institute
• Northern California Council, Federation of Fly Fishers
• Ohlone Audubon Society
• Central Sierra Audubon Society
• Save The Bay
• Sierra Nevada Alliance
• South Yuba River Citizens League
• The Bay Institute
• Urban Creeks Council
• Eastern Madera County Chamber of Commerce

Additionally, these Sierra Club chapters have passed resolutions supporting Hetch Hetchy's restoration:

• Delta-Sierra Group (Mother Lode Chapter)
• Merced Group (Tehipite Chapter)
• Tehipite Chapter
• Mineral King Group (Kern Kaweah Chapter)
• Maidu Group (Mother Lode Chapter)
• Northern Alameda County Group (SF Bay Chapter)
• Placer Group (Mother Lode Chapter)
• San Francisco Group (SF Bay Chapter)
• Solano Group (Redwoods Chapter)
• Washington, D.C. Chapter
• Yahi Group (Mother Lode Chapter)
• Yolano Group (Mother Lode Chapter)
• Central Ohio Group (Ohio Chapter)