Fighting Invasive Aquatic Species in the Delta


California State Parks’ Division of Boating & Waterways recently started herbicide treatments to help control several invasive aquatic plants species found in the Delta. These plants are known to form dense mats of vegetation, creating safety hazards for boaters, obstructing navigation channels, marinas, and irrigation systems.


Invasive species include water hyacinth, South American spongeplant, Uruguay water primrose, Alligator weed, Brazilian waterweed, curlyleaf pondweed, Eurasian watermilfoil, hornwort (aka coontail), and fanwort. Aquatic invasive plants have no known natural controls. All herbicides used in the program are registered for aquatic use with the U.S. Environmental Protection Agency and the California Department of Pesticide Regulation.

To report sightings of invasive species, subscribe for program updates, or for more information regarding the control program, connect with DBW online, via email, or by phone by calling (888) 326-2822.

About Kevin

Manager of Mainframe Operations and Optimization – USS-UPI, Co-Founder and Board Member - Friends of Oakley A Community Foundation, Trustee RD 2137, Advisory Board – Opportunity Junction
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