06/19/2026
https://www.facebook.com/story.php?story_fbid=1481281610706090&id=100064727946367&post_id=100064727946367_1481281610706090&mibextid=CDWPTG
Glyphosate is one of the most widely used herbicides in the world, applied in agricultural fields, urban landscapes, and rights-of-way across California to control weeds and other grasses. But what happens when it doesn't stay where it's sprayed?
When glyphosate enters rivers and streams through runoff, it can disrupt the delicate web of life that healthy fisheries depend on. Research has shown that glyphosate and some of its formulations can affect aquatic insects, amphibians, and the habitat conditions that support native fish.
Additional stressors matter for wild trout, salmon, and steelhead already facing threats like warming waters, habitat loss, and migration barriers. Healthy fisheries require healthy watersheds — and protecting the streams that sustain fish means carefully considering the impacts of the chemicals we use on the land around them.
At CalTrout, we're working to better understand how emerging threats like chemical contaminants affect California's freshwater ecosystems from the Sierra Nevada to Southern California creeks and beyond. Through science, monitoring, and partnerships, we're helping build the knowledge needed to protect and restore resilient rivers for fish and people alike. Because it’s not just about the fish — when we safeguard California’s watersheds, we are safeguarding the freshwater arteries that sustain all California communities.
