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Stop Toxic Glyphosate Spraying Near Lake Tahoe Wildlife Habitat

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Sponsor: The Rainforest Site

Lake Tahoe’s forests, streams, wetlands, and wildlife should not be treated with glyphosate when safer restoration methods can protect the Basin.

Male mallard duck standing in shallow lake water, balancing on one orange leg with mountains and a few ducks in the distance.

The U.S. Forest Service released its Caldor Fire Restoration Project decision in March 2026 for roughly 11,700 acres of national forest land in and around the Caldor Fire area. The agency says the project is intended to restore meadows and streams, improve wildlife habitat, prepare areas for native seedlings, reduce hazardous fuels, and support post-fire recovery.1

But the decision also includes using approved herbicides to support reforestation.1 That has alarmed residents and local officials who fear chemical treatment could affect Lake Tahoe’s watershed, wildlife habitat, streams, wetlands, and surrounding public lands.

The Guardian, in a story co-published with The New Lede, reported that the Forest Service plan lists glyphosate and four other herbicides and estimates that 2,400 to 3,600 acres may be treated with herbicides to support reforestation.2 SFGATE reported that the proposal has drawn backlash from residents, environmental advocates, and groups demanding more transparency about where chemicals would be applied and how Lake Tahoe’s watershed would be protected.3

Lake Tahoe Deserves The Highest Safeguards

The Forest Service has said herbicides would not be sprayed from the air and that backpack sprayers, buffers, public notification signs, and other measures would be used to reduce risks.2 KUNR reported that the agency said no herbicide use is planned in the Lake Tahoe Basin for 2026 or 2027, but treatments could occur later if manual vegetation removal is not feasible.4

A delay is not enough. Any future use should be suspended until the public receives exact treatment maps, site-specific wildlife review, water-quality safeguards, and a full nonchemical alternatives analysis.

South Tahoe Now reported that the approved plan includes reforestation treatments on 2,400 to 3,600 acres and that herbicides may be considered later under the project decision notice.5 Keep Tahoe Blue says it is requesting greater transparency, including where herbicides would be applied, why they are necessary, what alternatives were considered, and what safeguards would protect Lake Tahoe’s waters, streams, wetlands, and wildlife.6

Nonchemical Restoration Must Come First

Glyphosate remains controversial. The EPA has said its ecological risk assessment found potential effects on birds, mammals, and terrestrial and aquatic plants.7 In a place as sensitive as Lake Tahoe, even proposed “targeted” herbicide use deserves strict scrutiny.

Forest restoration is important after severe wildfire. But restoration should not expose fragile habitat to avoidable chemical risk. The Forest Service should use manual, mechanical, prescribed-fire, native planting, mulching, and other nonchemical strategies first.

Lake Tahoe’s watershed is too rare to gamble with. Its streams, wetlands, pollinators, amphibians, birds, mammals, and native plants need restoration that heals the landscape without adding chemical threats.

Sign now to urge federal and regional officials to stop glyphosate spraying near Lake Tahoe wildlife habitat and require nonchemical restoration methods wherever possible.

More on this issue:

  1. U.S. Forest Service, Lake Tahoe Basin Management Unit (27 March 2026), "Caldor Fire Restoration Decision released."
  2. Carey Gillam, The Guardian / The New Lede (18 June 2026), "Lake Tahoe residents ‘horrified’ by plans to spray cancer-linked glyphosate in public lands."
  3. Julie Brown Davis, SFGATE (26 May 2026), "Federal government set to spray 'devastating' herbicide in Tahoe Basin."
  4. Maria Palma, KUNR Public Radio (27 May 2026), "What to know as Tahoe residents raise concerns over herbicide use in forest restoration plan."
  5. Paula Peterson, South Tahoe Now (14 May 2026), "USFS holds off on use of pesticides in 2026/27 on Caldor Fire reforestation project in Lake Tahoe Basin."
  6. Keep Tahoe Blue, Keep Tahoe Blue (Accessed 22 June 2026), "Regarding the Caldor Fire Restoration Plan."
  7. U.S. Environmental Protection Agency, EPA (18 December 2017), "EPA Releases Draft Risk Assessments for Glyphosate."

The Petition

To the Chief of the U.S. Forest Service, USDA Secretary, Lake Tahoe Basin officials, TRPA leaders, and Lahontan water-quality officials,

I urge you to suspend glyphosate and other synthetic herbicide use in the Lake Tahoe Basin and require nonchemical restoration methods wherever feasible.

The Caldor Fire Restoration Project covers roughly 11,700 acres of national forest land in and around the Lake Tahoe Basin. Restoring forests, streams, meadows, and wildlife habitat after severe wildfire is important. But that work must not expose Lake Tahoe’s watershed and fragile ecosystems to avoidable chemical risk.

The Forest Service decision includes possible use of approved herbicides to support reforestation. Reports indicate that glyphosate and other herbicides may be used on thousands of acres, though the agency has said no herbicide use is planned in the Basin for 2026 or 2027. That pause should become an opportunity for stronger safeguards, not a countdown to future spraying.

Lake Tahoe’s streams, wetlands, meadows, pollinators, amphibians, birds, mammals, native plants, and aquatic habitat deserve the highest protection. Before any herbicide is considered, the public should receive exact treatment maps, site-specific wildlife review, water-quality safeguards, disclosure of all products and adjuvants, independent monitoring plans, and a full analysis of nonchemical alternatives.

Please suspend glyphosate and synthetic herbicide use in the Lake Tahoe Basin, expand water-quality testing for glyphosate and related chemicals, consult closely with TRPA and Lahontan water-quality officials, and prioritize manual, mechanical, prescribed-fire, mulching, targeted planting, and other nonchemical restoration methods.

Restoration should heal the landscape. It should not add new chemical pressure to a watershed known around the world for its clear water and sensitive ecosystems.

Lake Tahoe’s wildlife habitat is too important to treat as a testing ground. Please protect the Basin and require a restoration plan that puts clean water, healthy habitat, and nonchemical methods first.

Sincerely,