East Bay groups dealing with specific creeks and watersheds (west of hills)

• Alameda Creek Alliance
• Codornices Creek Watershed Council
• Aquatic Park EGRET
• Glen Echo Creek information from the Piedmont Avenue Neighborhood Improvement League website
• Pinole Creek Watershed, Friends of
• San Leandro Creek, Friends of
• San Pablo Watershed Neighbors Education and Restoration Society (SPAWNERS)
• Sausal Creek, Friends of
• Strawberry Creek, University of California at Berkeley

Activist organizations

• San Francisco Baykeeper
• California Invasive Plant Council
• California Native Grass Society
• California Native Plant Society – East Bay Chapter
• Citizens for East Shore Parks
• Golden Gate Chapter, Audubon Society
• Greenbelt Alliance
• Restore the Delta
• Save the Bay
• Lagunitas Creek, Salmon Protection and Watershed Network (SPAWN)
• Urban Creeks Council of California
• The Watershed Project (formerly Aquatic Outreach Institute)
• Clean Angling Pledge – Fishermen, sign this pledge to prevent the spread of invasive species

Other sites, organizations, and agencies with creek-related purposes or information

• Alameda Countywide Clean Water
• Alameda County Stopwaste – information on Bay Friendly gardening, recycling, composting, etc.
• Berkeley Creeks - A Geographic / Photographic Database
• Bio-Integral Resource Center information on least-toxic pest management
• BlueGreenBldg.org – Site showcasing creek- and Bay-friendly, low-impact developments that reduce pollution and destruction from urban runoff in the East Bay
• The California Coastal Commission provides a Marine, Coastal, and Watershed Resource Directory
• The California Watershed Assessment Manual
• Oakland Museum Guide to San Francisco Bay Area creeks
• Restore America's Estuaries
• San Francisco Bay Regional Water Quality Control Board
• San Francisco Estuary Institute
• San Francisco Bay Joint Venture
• Your Wetlands – a project of the San Francisco Bay Joint Venture
• U. S. Environmental Protection Agency – River Corridor and Wetland Restoration
• The U.S. EPA and California Waterboards have a list of what they see as problems needing correction in virtually every significant water body in the state.
• Annual reports of the State Coastal Conservancy – information about how the bond money that Californians voted for restoration is being spent. In the nine-county Bay Area, more than 400 projects have been funded over 12 years.

Other sites with nature-related purposes or information

• Bay Nature Magazine (with event calendar)
• Berkeley Garden Club
• Berkeley Partners for Parks
• Berkeley Path Wanderers Association
• BugPeople
• CalFlora Database – information on wild California plants for conservation, education, and appreciation.
• Conservation Lands Network – information about which Bay Area lands we need to protect to keep our vibrant and varied nature, agriculture and local food, water quality, opportunities for outdoor recreation, and native plants and animals.
• El Cerrito Trail Trekkers
• Hartland Nursery and Delta ecological boat tours
• San Francisco Bay Wildlife – information for wildlife watching and appreciation
• Union of Concerned Scientists