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

• Alameda Creek Alliance
• 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

• The Bay Institute
• San Francisco Baykeeper
• Bay Area Open Space Council
• California Invasive Plant Council
• California Native Grasslands Association
• 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)
• The Watershed Project

Agencies with creek- and watershed-related purposes or information

• Alameda Countywide Clean Water Program
• Alameda County Stopwaste – information on Bay Friendly gardening, recycling, composting, etc.
• The California Coastal Commission
• Contra Costa Clean Water Program
• San Francisco Bay Regional Water Quality Control Board and statewide list of water bodies considered "impaired."
• 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.
• California Coastal Conservancy, Bay Area information

Other groups and sites with nature-related purposes or information

• The Bay Institute
• San Francisco Baykeeper
• Bay Area Open Space Council
• California Invasive Plant Council
• California Native Grasslands Association
• California Native Plant Society – East Bay Chapter
• Citizens for East Shore Parks
• Friends of Ohlone Park
• Golden Gate Chapter, Audubon Society
• Greenbelt Alliance
• Restore the Delta
• Save the Bay
• Lagunitas Creek, Salmon Protection and Watershed Network (SPAWN)
• The Watershed Project
  • Alameda Countywide Clean Water Program
  • Alameda County Stopwaste – information on Bay Friendly gardening, recycling, composting, etc.
  • The California Coastal Commission
  • Contra Costa Clean Water Program
  • San Francisco Bay Regional Water Quality Control Board and statewide list of water bodies considered "impaired."
  • 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.
  • California Coastal Conservancy, Bay Area information
  • Bay Nature Magazine (with event calendar)
  • Berkeley Creeks - A Geographic / Photographic Database
  • Berkeley Garden Club
  • 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
  • Berkeley Partners for Parks
  • Berkeley Path Wanderers Association
  • Berkeley Historical Plaque Project
  • BugPeople
  • CalFlora Database – information on wild California plants for conservation, education, and appreciation.
  • The California Watershed Assessment Manual
  • 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
  • Oakland Museum Guide to San Francisco Bay Area creeks
  • San Francisco Bay Wildlife – information for wildlife watching and appreciation