Bass Angler Magazine

California Aquatic Vegetation Program Changes

The California Department of Parks and Recreation Division of Boating and Waterways will be conducting herbicide treatments in parts of the Sacramento-San Joaquin Delta region to control Brazilian waterweed (Egeria densa), curly-leaf pondweed (Potamogeton crispus), Eurasian watermilfoil (Myriophyllum spicatum), fanwort, (Cabomba caroliniana), and coontail (Ceratophyllum demersum).
The following information is subject to change based on governmental requirements, weather conditions, plant growth, waterway traffic, special status species surveys,
presence of sensitive crops in adjacent lands, and other conditions.
Proposed Herbicide Treatment Period
March 6, 2019 – November 30, 2019
Treatment period is based upon DBW field survey data, water temperatures and other conditions.
Potential Treatment Areas*
In and/or around the following areas:
  • Anchorages, boat ramps and marinas: B & W Resort, Das Cliff House, Delta Marina Rio Vista, Driftwood Marina, Golden Anchor, Hidden Harbor Resort, Hogback, Korth’s Pirates Lair, Lloyd’s Holiday Harbor, New Bridge Marina, Owl Harbor, Oxbow Marina, Perry’s Boat Harbor, Rivers End, Spindrift Marina, St. Francis Yacht Club, Tiki Lagun, Tracy Oasis Marina, Turner Cut Resort, and Willow Berm.
  • Near Old River: Cruiser Haven, Diablo Ski Club, Discovery Bay, Piper Slough, Sandmound Slough, Taylor Slough, Italian Slough, and Kings Island.
  • Stockton Area: Atherton Cove, Buckley Cove, Burns Cut, Calaveras River, Fourteenmile Slough, Mosher Slough, Smith Canal, White Slough, and Windmill Cove.
  • Sacramento Area: French Island, Long Island Slough, Prospect Island, Snug Harbor, The Meadows, and Washington Lake.
*Individual areas will be noticed prior to treatment application. If all listed sites can be treated, acreage will total 2, 841 acres. See map for treatment areas.
Herbicides Being Applied
Fluridone, or Diquat (Herbicides are registered for aquatic use with US Environmental Protection Agency and the California Department of Pesticide Regulation)
The public should not gather on or near boat docks during treatment applications. Boaters, swimmers, fisherman and other recreationists in an area being immediately treated are urged to heed directives by herbicide technicians, as they are aimed at protecting public safety.
Treated areas will be monitored weekly to ensure herbicide levels do not exceed allowable limits, or have any significant adverse impacts on the environment, agriculture, or public health in or near the above mentioned treatment areas.
Contact Information
To report sightings or for more information regarding the control program, please see DBW’s website at www.dbw.parks.ca.gov, call 888-326-2822, or email at AIS@parks.ca.gov.

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