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League to Save Lake Tahoe - Keep Tahoe Blue

Community members celebrate at the close of a beach cleanup – League staff

The League to Save Lake Tahoe, also known by the slogan “Keep Tahoe Blue,” is Tahoe's oldest and largest nonprofit environmental advocacy organization. Founded in 1957. the League is dedicated to community engagement and education, and collaborating to find solutions to Tahoe's environmental challenges.

The League's main campaigns include combatting pollution, promoting restoration, tackling invasive species and protecting Tahoe's shoreline.

  • We advocate to ensure strong environmental protections through innovative policy development.
  • We educate and engage the public about how to protect Lake Tahoe.
  • We collaborate with stakeholders to find solutions to environmental challenges at Lake Tahoe.

MISSION: The League to Save Lake Tahoe is dedicated to protecting, restoring, and advocating for the ecosystem health and scenic beauty of the Lake Tahoe Basin. The organization focuses on water quality and its clarity for the preservation of a pristine Lake for future generations.

VISION: "Keep Tahoe Blue" means a crystal clear Lake, protecting watersheds that support native plants and forests and abundant wildlife, an active and informed community of residents and visitors who act as stewards for the Lake, and communities and facilities within longstanding urban boundaries that harmonize with the natural environment, and provide low-impact outdoor recreational opportunities now and into the future.


- In the 1960s, the newly formed League began its successful advocacy against plans to boost the Lake Tahoe Basin's population to 200,000 people by 1984, with a four-lane freeway that would circle the lake, including a bridge across Emerald Bay.

- Also during the 1960s, the League led efforts to eliminate the practice of dumping sewage in Lake Tahoe’s watershed.

- In the 1980s we successfully advocated for a Regional Plan and environmental thresholds that would adequately protect Lake Tahoe.

-In the 1990s, the League was instrumental in bringing heightened attention to Lake Tahoe’s plight, culminating in the 1997 Presidential Forum, hosted by President Bill Clinton and Vice President Al Gore. The forum launched the Environmental Improvement Program, which has leveraged over $1.5 billion in private, local, state and federal dollars for environmental restoration at the Lake.

- The League worked closely with Tahoe’s congressional representatives to pass the first Lake Tahoe Restoration Act in 2000, which authorized the federal government to share in the funding of the Environmental Improvement Program.

-In 2008, the League contributed to a successful Basin-wide campaign to require mandatory boat inspections at all boat ramps in the Tahoe Basin to prevent the introduction of destructive aquatic invasive species, such as the quagga and zebra mussels.

- In 2012, the TRPA governing board approved a new 20-year Regional Plan Update for Tahoe. The League worked for years to get the best protections, and participated in a select bi-state working group to iron out differences. The League’s advocacy ensured the elimination of widespread development on most of Tahoe’s open land and designated recreation areas, an appeals process, and limits on increases in development height.

- In June 2013, the League launched Eyes on the Lake, a citizen science program designed to help prevent the spread of aquatic invasive species in Lake Tahoe. League experts train community members to identify and report the presence of aquatic plants found while out enjoying the Lake.

- In 2015, the League expanded Keep Tahoe Blue Schools, the League’s youth education program to provide environmental science and stewardship experiences for Lake Tahoe area students.

How to Support

Support efforts to Keep Tahoe Blue for all generations to come by becoming a member of the League to Save Lake Tahoe. Call the League at (530) 541-5388 or email for more information on becoming a member. You can also visit

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