Spray Alerts

Current Spraying Operations:
 

Ground and aerial spraying locations, dates, and times are listed below. In response to the detection of invasive Aedes aegypti, increased adult mosquito populations and/or the detection of West Nile virus, the District is preparing to conduct larval and/or mosquito control operations in the following area(s):

• Ground spraying for larval mosquito control using Vectobac® WDG is scheduled for the morning of Thursday, June 30, between 4:00 a.m. to 5:00 a.m
  • North Escalon: North to Mission St., >South to California St., >East to Justin Dr., >West to Mitchell Ave./Brayton Ave.  See Map  COMPLETE

• Ground spraying for larval mosquito control using Vectobac® WDG is scheduled for the morning of Friday, July 1, between 4:00 a.m. to 5:00 a.m.
  • Portion of Stockton- Brookside Boulder Creek Area: See Map COMPLETE

• Aerial spraying for adult mosquito control using Dibrom is scheduled for the evening of Thursday, June 30, 2022, between 9:00 p.m. and 11:00 p.m.
  • Portions of Shima Tract, Rindge Tract, Wright Tract, Lower Roberts Island See Map COMPLETE

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Recently Completed Operations 2022​:

Ground & air spraying locations, dates, and times are listed below. Map, if available, is also attached. In response to increased adult mosquito populations and/or the detection of West Nile Virus, the District is preparing to conduct adult mosquito control operations in the following area(s):

• Aerial spraying for adult mosquito control using Evergreen ® ULV 5-25 Air is scheduled for the evening of Tuesday, June 21, 2022, between 8:30 p.m. and 10:30 p.m. or depending on weather, the evening of  Wednesday, June 22, 2022 between 8:30 p.m. and 10:30 p.m.
  • Delta Area: South Staten Island and Portions of Brack Tract and Bouldin Island See Map COMPLETE
  • Delta Area: Portions of the following Tracts: Wright-Shima-Rindge & Roberts Island  See Map  COMPLETE

• Ground spraying for adult mosquito control using DeltaGard® is scheduled for the morning of Wednesday, June 15, 2022, between 4:30 a.m. and 6:30 a.m. or depending on weather, the morning of Thursday, June 16, 2022 between 4:30 a.m. and 6:30 a.m.
  • Portion of Brookside in Stockton: Boulder Creek Area See Map   COMPLETE
  • Portion of North Escalon: >North to Mission St., >South to California St., >East to Justin Dr., >West to Sierra Dr. See Map  COMPLETE

• Ground spraying for adult mosquito control using DeltaGard® is scheduled for the morning of Saturday, June 11, 2022, between 5:00 a.m. and 7:00 a.m..
  • Portion of Rural North Escalon: >North to Edwards Ave., >South to Lone Tree Rd., >East to Steinegul Rd., >West to Campbell Rd. See Map  COMPLETE

• Ground spraying for adult mosquito control using DeltaGard® is scheduled for the morning of Friday, June 10, 2022, between 5:00 a.m. and 7:00 a.m. or depending on weather, the morning of  Saturday, June 11, 2022, between 5:00 a.m. and 7:00 a.m.
  • Portion of Rural Southeast Farmington:  >North to Carter Rd., >South to one mile south of Carter Rd., >East to San Joaquin County Line., >West to Henry Rd. See Map  COMPLETE

• Ground spraying for adult mosquito control using DeltaGard® is scheduled for the morning of Wednesday, June 8, 2022, between 5:00 a.m. and 7:00 a.m. or depending on weather, the morning of Thursday, June 9, 2022, between 5:00 a.m. and 7:00 a.m.
  • Portion of Rural Northeast Escalon:  >North to Lone Tree Rd., >South to 1/4 mile south of Dutra Ln., >East to Victory Ave., >West to Henry Rd. See Map COMPLETE

Past Operations from 2021​:

• Ground spraying for adult mosquito control using Evergreen 5-25  is scheduled for the morning of Friday, November 5, 2021, between 6:00 a.m. and 7:30 a.m.
  • South East Stockton including a Portion of Stockton Port and Stockton Waste Water Treatment Facility: See Map

• Ground spraying for adult mosquito control using Evergreen 5-25  is scheduled for the evening of Thursday, October 28, 2021, between 6:00 p.m. and 8:00 p.m. or depending on weather, the evening of Friday, October 29, 2021, between 6:00 p.m. and 8:00 p.m.
  • Portion of Rural South West Stockton  >North to Burns Cutoff., >South to Hwy 4, >East to San Joaquin River, >West to Woodsbro Rd. See Map  COMPLETE
• Ground spraying for adult mosquito control using Evergreen 5-25 and/or DeltaGard® is scheduled for the evening of Thursday, October 14, 2021, between 6:30 p.m. and 9:30 p.m. or depending on weather, the evening of Friday, October 15, 2021, between 6:30 p.m. and 9:30 p.m.
  • Portion of Rural South County:  >North to Division Rd., >South to San Joaquin and Stanislaus Rivers, >East to Stanislaus River, >West to Two Rivers Rd. See Map COMPLETE
• Ground spraying for adult mosquito control using Evergreen 5-25 and/or DeltaGard® is scheduled for the evening of Tuesday, October 5, 2021, between 7:00 p.m. and 10:00 p.m. or depending on weather, the evening of Wednesday, October 6, 2021, between 7:00 p.m. and 10:00 p.m.
  • West Ripon and South Manteca: See Map COMPLETE
  • Ripon Sewer: >North to Doak Rd., >South to Stanislaus County Line, >East to Stockton Ave., >West to Robert Ave. See Map COMPLETE
  • Spring Creek Golf and Country Club: See Map COMPLETE
• Ground spraying for larval mosquito control using Vectobac® WDG is scheduled for the morning of Wednesday, October 6, 2021 between 4:00 a.m. to 6:00 a.m or depending on weather, the morning of Thursday, October 7, 2021 between 4:00 a.m. to 6:00 a.m.
  • Portion of Brookside Area: See Map (Added 10/5/21) COMPLETE
• Aerial spraying for adult mosquito control using Dibrom is scheduled for the evening of Wednesday, October 6, 2021, between 7:00 p.m. and 10:00 p.m. or depending on weather, the evening of Thursday, October 7, 2021, between 7:00 p.m. and 10:00 p.m.
  • West Ripon and Rural South County including SJ River Club: See Map (Added 10/5/21) COMPLETE
  • Brack Track: See Map (Added 10/5/21) COMPLETE

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West Nile Virus and
Dead Bird Hotline

(877) 968-BIRD (2473)

or online at westnile.ca.gov

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