Water Hyacinth Treatments – Floating Aquatic Vegetation Control Program

  • Water
  • by BPC Staff
  • on August 3, 2017

Department of Parks and Recreation
Division of Boating and Waterways
Water Hyacinth, Spongeplant and Water Primrose
Treatments for August 7 thru August 11, 2017
Herbicide treatment of invasive floating aquatic vegetation began on March 1, 2017, the earliest date the program is permitted to start, in various areas of the Sacramento -San Joaquin Delta. For more information see the Public Notice.
“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.”
  • Spraying will be conducted during the hours of 7am to 4pm weekly, Monday thru Friday.  
  • Herbicide applications during the treatment period will utilize Glyphosate (Roundup Custom), 2, 4-D (Weedar 64),  and Imazamox (Clearcast).
Treatment Period:
Area 2-4: Mar. 1, 2017 – Nov. 30, 2017
Area 1: June 1, 2017 – Nov. 30, 2017
County References:
ALA       -Alameda
CC          -Contra Costa
MER      -Merced
SAC       -Sacramento
SJ           -San Joaquin
STAN    -Stanislaus
SOL       -Solano
YOLO    -Yolo
Since March 1, 2017, approximately
628* acres of
water hyacinth, spongeplant and/or water primrose have been treated at 70 sites with 156 total treatments.
* Data are preliminary and
    subject to change. 
Tags: , , , ,