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PRKN’s mission is to protect the right to clean water for all communities and all those who live in and rely upon the Potomac and Shenandoah watersheds by stopping pollution, making drinking water safe, protecting healthy river habitats, and enhancing use and enjoyment for all.

Agua Pura Para El Pueblo is a nonprofit, nongovernmental organization founded to help communities and families obtain safe, clean drinking water and improve their sanitation. Over one billion people world wide lack access to safe water, and a million children die each year due to preventable diarrheal diseases. With a focus on Latin America and the Caribbean, we promote simple small scale methods and techniques that people can use to make their water safe to drink. We also give seminars and demonstrations both in the United States and in Latin America to other nongovernmental organizations and to community groups on methods of water purification.

San Diego Coastkeeper protects and restores fishable, swimmable, drinkable waters in San Diego County.

We inspire people and organizations to value, protect, and improve the Cannon River Watershed’s land and water.

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.

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.

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.

TreePeople works to grow a more climate-resilient and water-secure Southern California by mobilizing people and implementing nature-based solutions. They run community forestry and school-greening programs, restore wildfire-impacted wildlands, advance water and urban resilience projects, and provide environmental education to engage communities in local climate action.

Our mission is to “create and maintain a healthy Lake Erie now and forever as defined by drinkable water, recreational contact and edible fish.”