Collaboration Connects Lake Tahoe’s Story (Opinion)
Lake Tahoe has many important stories to tell. If it could speak, it could recount its formation millions of years ago, its sculpting by glaciers, how forests and wetlands came to protect its crystal-clear waters, and the centuries of stewardship by the Wá∙šiw (Washoe People). More recent chapters include environmental damage from logging, grazing, and unmanaged development, which combined to steal some of Lake Tahoe’s famed water clarity.
Today, the story is marked by collaborative efforts to protect and restore its unique environment. From the groundbreaking Bi-State Tahoe Regional Planning Compact in 1969, to science-based environmental thresholds and growth management policies in the 1980s, Lake Tahoe has become an international leader in conservation. Each key milestone has been connected to the next by consensus-building, commitment, and a shared passion for Lake Tahoe.
Central to these achievements is the health and clarity of Lake Tahoe. However, by the 1990s, despite having one of the most comprehensive regulatory frameworks in the nation, the lake’s clarity continued to decline. Most of the harm to Lake Tahoe’s environment had already occurred. Critical lake-filtering wetlands had been filled in, polluted stormwater flowed to the lake, wildfire threatened our forests and communities, and car-centric town centers offered few transportation options.
Then came the first Tahoe Summit in 1997. The Tahoe Regional Planning Agency (TRPA) and myriad public and private sector partners launched an epic collaboration called the Lake Tahoe Environmental Improvement Program, or EIP. At the 30th annual summit earlier this week, Congressional leaders and many stalwart protectors of Lake Tahoe gathered to recognize the remarkable work of federal, state, regional, and local agencies, the Washoe Tribe of Nevada and California, scientists, nonprofits, and the private sector, who have delivered more than 900 lake-saving projects over the last three decades.
Now more than 80 partners strong, Team Tahoe has become one of the most successful restoration programs in the nation. Partners have treated more than 102,000 acres of forest, made improvements and new connections on 210 miles of bike trails, restored more than 1,100 acres of wetlands, and completed erosion and stormwater improvements on nearly 840 miles of roadway to protect the lake’s clarity. Under the EIP, water quality partners have kept millions of pounds of fine sediment out of the lake and clarity has stabilized.
Neither restoration nor regulation stands on their own at Lake Tahoe. The success of conservation can be measured partly by what was never built. TRPA halted new subdivisions, freeways, a bridge over Emerald Bay, and plans for a city the size of San Francisco in the basin and protected wetlands from new development. Rampant growth has been replaced by careful planning and incentives for environmental redevelopment and more affordable housing. The EIP was the missing link in the continuous chain of work to protect and restore the lake.
More recently, Team Tahoe has mobilized to confront emerging threats to the basin. TRPA and our partners are fighting aquatic invasive species through a nationally recognized watercraft inspection program. Partners are improving transportation and safety in recreation corridors like Nevada’s East
Shore and California’s Emerald Bay. Forest and fire agencies are increasing the pace and scale of fuel reduction projects and prioritizing fuel breaks along evacuation routes to improve safety.
Additionally, new research is coming forward to better understand the drivers of lake clarity. While annual clarity measurements are stable overall, averaging 69 feet last year, the goal is for clarity to return to its historic average of nearly 100 feet. The Tahoe Science Advisory Council is coordinating research into the continuing trend of relatively low clarity in summer months. With so many watershed restoration projects happening, it is imperative that we understand the roles that warming temperatures, invasive species, and more extreme weather events may have on Tahoe’s world-renowned clarity.
In Lake Tahoe’s current chapter, it remains one of the clearest lakes on Earth—not by accident, but because of decades of coordinated action. Although our work is far from over, we can feel proud of what Team Tahoe has accomplished to protect this national treasure.
As the Tahoe Basin celebrates 30 years of progress under the EIP, we must recognize the crucial role that residents, businesses, policymakers, and visitors all have in sustaining Tahoe’s future. Many thanks go to our dedicated congressional delegation, state officials, and local government representatives who have fought tirelessly for funding for Lake Tahoe. We encourage you to visit restoretahoe.org to see Team Tahoe at work and explore some of the landmark projects in your backyard.
Hayley Williamson is Chair of the Tahoe Regional Planning Agency Governing Board and Nevada At-Large Board Member. Vince Hoenigman is Vice Chair and California Governor’s Appointee
