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The Anacostia Watershed Society's mission is to protect and restore the Anacostia River and its watershed communities by cleaning the water, recovering the shores, and honoring the heritage. Our ultimate goal is to make the Anacostia River swimmable and fishable, in compliance with the federal Clean Water Act, for all to enjoy.

The Burden Lake Conservation Association works to protect, restore, and improve water quality and the ecosystem of Burden Lake (primarily Third Burden Lake) and nearby water bodies. It builds a community of lake stewards and provides education to lake users and the public about safety and lake protection.

The Center for Watershed Protection works to protect, restore, and enhance our streams, rivers, lakes, wetlands, and bays. We create viable solutions and partnerships for responsible land and water management so that every community has clean water and healthy natural resources to sustain diverse life.

River Network grows and strengthens a transformational national network of water, justice, and river advocates. We envision a powerful and inclusive movement that ensures abundant clean water for all people and nature to thrive. We believe that joy and hope for our planet flows through our rivers.

Greenbelt Land Trust works to conserve and steward lands and waters in Oregon’s Willamette Valley so they remain healthy and resilient. The organization secures and manages protected properties and conservation easements, restores habitat and water systems, and connects people to nature through low‑impact recreation and education.

California Trout works to protect and restore California’s freshwater ecosystems by keeping waters clean, cold, and connected so wild fish populations can thrive. They combine science, local restoration projects, and policy advocacy to sustain resilient wild fish and the waters they depend on across the state.

To work with all people to protect the lands, waters, and wildlife of the Greater Yellowstone Ecosystem, now and for future generations.

Potomac Conservancy safeguards the lands and waters of the Potomac River and its tributaries and connects people to this national treasure.

Conserve and care for the lands, waters, and wildlife of the Columbia River region through sound science and strong relationships.

To sustainably provide safe drinking water to 1 million people across rural Sub-Saharan Africa by 2025.

Alaska Wilderness League protects Alaska's wild lands and waters by inspiring broad support for federal policy action.

Maui Nui Marine Resource Council works for clean ocean water, healthy coral reefs and an abundance of native fish for the islands of Maui County. Our mission is to bring human actions into balance with ecological principles so that the health and abundance of Maui’s nearshore waters can be restored and sustained for future generations.