Division of Boating and Waterways
Division of Boating and Waterways Set to Control Aquatic Invasive Plants in the Sacramento-San Joaquin Delta
Wednesday, February 21, 2024
California State Parks’ Division of Boating and Waterways (DBW) today announced plans to control aquatic invasive plants in the west coast’s largest estuary, the Sacramento-San Joaquin Delta and its southern tributaries. Starting March 6 through Nov. 30, 2024, DBW crews will begin herbicide treatments on water hyacinth, South American spongeplant, Uruguay water primrose, Alligator weed, Brazilian waterweed, curlyleaf pondweed, Eurasian watermilfoil, coontail, ribbon weed, and fanwort in the Delta. Depending on weather conditionsand plantgrowth/movement, treatment dates may change. Select areas of the Delta with high infestations or coverage of water hyacinth will be controlled using mechanical harvesting efforts through December 2024.