Submersed Aquatic Vegetation (SAV) Treatments

Brazilian Waterweed (Egeria densa), 
Curly-leaf Pondweed (Potamogeton crispus), 
Eurasian Watermilfoil (Myriophyllum spicatum), 
Fanwort (Cabomba carolinianaand
Coontail (Ceratophyllum demersum)
California Department of Parks and Recreation
Division of Boating and Waterways
Aquatic Invasive Plant Control Program (AIPCP)
Treatments for August 3 through August 7, 2020

Herbicide treatment of invasive submersed aquatic vegetation will begin on April 20, 2020 in various areas of the Sacramento -San Joaquin Delta.
Treatments may not occur in some or all sites due to weather conditions, and growth stage of the aquatic invasive plants.
Diquat treatments will occur in Golden Gate Ski Club (site 53), Hammer Island (site 78), and Rivers End Marina (site 79).
“Treatment sites and schedules are subject to change based on regulatory requirements, weather conditions, plant growth and movement, waterway traffic, listed fish presence surveys, and other conditions.”
              – Edward J. Hard, Environmental Program Manager I
  • Spraying will be conducted weekly, Monday through Friday between the hours of 7 a.m. to 4 p.m.
  • Herbicide applications during the treatment period will utilize Fluridone (Sonar) and Diquat (Reward).
Treatment Period:
April 20, 2020 – November 30, 2020
County References:
ALA – Alameda; CC – Contra Costa;
MER – Merced; SAC – Sacramento; SJ – San Joaquin;
STAN – Stanislaus; SOL – Solano; YOLO – Yolo