California Coastkeeper Alliance
Founded in 1999, the California Coastkeeper Alliance (CCKA) is a coalition Waterkeepers ranging from Southern California to the Oregon border and into the San Joaquin-Sacramento Delta. CCKA protects and expands upon the advances to protect water quality made by local groups by educating state decision-makers about issues important to California communities.

California Trout
Founded in 1971, California Trout was the first statewide conservation group to focus on securing protections for California's unparalleled wild and native trout diversity. Working with local communities, business, partners and government agencies, California Trout employs conservation science, education, and advocacy to craft effective solutions for California's water resources and fisheries.

Center for Biological Diversity
Known as “nature’s legal eagles,’ the Center for Biological Diversity works through science, law, and creative media to secure a future for all species, great or small, hovering on the brink of extinction. Formed in 1989, the center uses biological data, legal expertise, and the citizen petition provision of laws to extend protections for animals, plants, and their habitats.

Community Water Center
Community Water Center seeks to ensure that all communities have access to safe, clean and affordable water. CWC creates community-driven water solutions through organizing, education and advocacy in California’s San Joaquin Valley.

Environmental Justice Coalition for Water
EJCW is a network of more than fifty grassroots and intermediary organizations. EJCW is building a collective, community-based movement for democratic water management and allocation in California. They enable community members to take control of their water resources by participating in water policy, planning and decisions.

Environmental Working Group
Environmental Working Group has specialized in environmental investigations since 1993. EWG’s team of scientists, engineers, policy experts, lawyers and computer programmers pore over government data, legal documents, scientific studies and laboratory tests to expose threats to public health and the environment and to find solutions.

Friends of the River
Founded in 1973, Friends of the River cut its teeth on a campaign to save the Stanislaus River from the impacts of the New Melones Dam. The Group grew to become California’s statewide river conservation organization, engaging thousands of residents statewide in river-rafting experiences and advocacy. Staff and volunteers are dedicated to preserving and restoring California’s rivers, streams and watersheds; as well as advocating for sustainable water management.

Natural Resources Defense Council
Founded in 1970, the Natural Resources Defense Council (NRDC) is a national organization that uses law, science and the support of 1.2 million members and online activists to protect the planet's natural resources. NRDC’s purpose is to safeguard the Earth: its people, its plants and animals, and the natural systems on which all life depends. NRDC strives to help create a new way of life for humankind, one that can be sustained indefinitely without fouling or depleting the resources that support all life on Earth.

Planning and Conservation League
The Planning and Conservation League is a statewide, non-profit lobbying organization. It is an alliance of individuals and conservation organizations united to protect California's environment through legislative and administrative action. For more than 30 years, PCL has reviewed virtually every environmental bill that comes before the Legislature, working to strengthen California's environmental laws and fight off rollbacks of environmental protections.

The Bay Institute
The Bay Institute (TBI) has been developing and leading model scientific research, education, and advocacy programs to preserve San Francisco Bay and its vast watershed — from the Sierra to the Golden Gate — since 1981. TBI’s mission is "to protect and restore the ecosystems of San Francisco Bay, the Sacramento-San Joaquin Delta, and the rivers, streams, and watershed tributary to the Estuary."

The Pacific Institute
Founded in 1987, the Pacific Institute aims to find real-world solutions to problems like water shortages, habitat destruction, global warming, and environmental injustice. Staff members conduct research, publish reports, recommend solutions, and work with decision makers, advocacy groups, and the public to change policy. They’ve become known for an independent, innovative approach that enables them to bring groups together to forge effective real-world solutions.

Trout Unlimited
Trout Unlimited is the nation's largest coldwater fisheries conservation organization with approximately 130,000 members nationwide, including 10,000 Californians. The organization works to protect and restore California's salmon and steelhead resources in streams along the northern coast. Its members are involved in dozens of on-the-ground restoration projects and partnerships with agencies and stakeholders in the state.