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Neonicotinoid Insecticides Keep Poisoning California Waterways, Threatening Aquatic Ecosystems

(Beyond Pesticides, September 23, 2022) According to a September 15 Environment California press release, California Department of Pesticide Regulation (CDPR) data confirm more bad news on neonicotinoid (neonic) contamination: nearly all urban waterways in three counties show the presence of the neonic imidacloprid at levels above the U.S. Environmental Protection Agency’s (EPA’s) chronic benchmark for harm to aquatic ecosystems; in five other counties, well over half showed its presence at similar levels. Neonic use is strongly correlated with die-offs and other harms to a variety of bees and pollinators, and to other beneficial organisms. These startling metrics will make the state’s efforts to protect such organisms even more challenging, according to Environment California (EC). See Beyond Pesticides’ Poisoned Waterways report for a deep dive on neonics and their impacts in U.S. rivers, lakes, and streams.