News & Spray Alerts
Spray Alerts

Current Spraying Operations :

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 Trumpet EC, is scheduled for the evening of Thursday, August 17, 2017 between 8:00 p.m. and 11:00 p.m. *or the evening of Friday, August 18, 2017 between 8:00 p.m. and 11:00 p.m.
    • Portions of Rural West Ripon: > North to W. Ripon Rd., > East to S. Mohler Rd., > South to E. Moncure Rd., > West to Union Rd. See Map
    • Wright & Elmwood Tract - Delta Islands: See Map 
  • Ground spraying for adult mosquito control using Pyrocide 7067, is scheduled for the morning of Friday, August 18, 2017 between 4:00 a.m. and 6:00 a.m. *or the morning of Saturday, August 19, 2017 between 4:00 a.m. and 6:00 a.m.  
    • Portion of North Stockton: > North to Mosher Slough, > South to Hammer Lane, > East to LeMans Ave., > West to Tam O'Shanter Dr. See Map
    • Portion of North Stockton: > North to Stanfield Dr., > South to Mosher Slough, > East to Thornton Rd., > West to Bainbridge Pl. See Map

 

 

 

 

 


 

 

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Past spray operations completed:

  • Ground spraying for adult mosquito control using Pyrocide 7067, is scheduled for the morning of Saturday, August 12, 2017 between 5:00 a.m. and 7:00 a.m.. *or the morning of Sunday, August 13, 2017 between 5:00 a.m. and 7:00 a.m.
    • Rural Tracy Area: > North to Bethany Rd., > East to S. Lammers Rd., > South to W. Larch Rd., > West to Corral Hollow Rd.: See Map COMPLETE

 

  • Ground spraying for adult mosquito control using Pyrocide 7067, is scheduled for the morning of Monday, August 14, 2017 between 5:00 a.m. and 7:00 a.m.. *or the morning of Tuesday, August 15, 2017 between 5:00 a.m. and 7:00 a.m.
    • Stockton Golf and Country Club / Riviera Cliffs - Stockton:  See Map COMPLETE

 

  • Ground spraying for adult mosquito control using Pyrocide 7067, is scheduled for the evening of Thursday, August 10, 2017 between 8:10 p.m. and 11:00 p.m. *or the evening of Friday, August 11, 2017 between 8:10 p.m. and 11:00 p.m.  
    • West Rural Stockton including Stockton Sewer: > North to Burns Cutoff, > East to San Joaquin River, > South to 1/2 mile south of Hwy 4, > West to Port of Stockton Expressway: See Map COMPLETE
    • North Rural Escalon: See Map  (added 8-10-17) COMPLETE

 

  • Aerial spraying for adult mosquito control using Trumpet EC, is scheduled for the evening of Thursday, August 10, 2017 between 8:00 p.m. and 11:00 p.m. *or the evening of Friday, August 11, 2017 between 8:00 p.m. and 11:00 p.m.
    • Portions of Canal Ranch Tract, Brack Tract and Terminous Tract - Delta Area: See Map  COMPLETE
    • Portions of Lower & Upper Jones Tract, Victoria Island, Woodward Island - Delta Area:
       See Map COMPLETE
    • Wright & Elmwood Tract - Delta Islands: See Map  COMPLETE

 

  • Ground spraying for adult mosquito control using Pyrocide 7067, is scheduled for the morning of Friday, August 11, 2017 between 4:00 a.m. and 6:00 a.m. *or the morning of Saturday, August 12, 2017 between 4:00 a.m. and 6:00 a.m.  
    • Lodi Lake and Wilderness Area:  See Map COMPLETE
    • Portion of North Stockton: > North to Mosher Slough, > South to Hammer Lane, > East to Lemans Ave., > West to Tam O'Shanter Dr. See Map COMPLETE
    • Portion of Brookside - Stockton: > North to Fourteen Mile Slough, > South to March Ln., > East to Feather River Drive, > West to Ten Mile Slough See Map COMPLETE
    • Southeast Rural Lodi: North to E. Harney Ln., > South to Tokay Colony Rd., > East to Jack Tone Rd., > West to Hibbard Rd. See Map (added 8-10-17)  COMPLETE

 

  • Aerial spraying for adult mosquito control using Trumpet EC, is scheduled for the evening of Thursday, August 3, 2017 between 8:10 p.m. and 11:00 p.m. *or the evening of Friday, August 4, 2017 between 8:10 p.m. and 11:00 p.m.  
    • Portion of Wright, Shima, and Rindge Tract - Delta Area: See Map  COMPLETE
    • Rural South County: See Map   COMPLETE

 

  • Ground spraying for adult mosquito control using Pyrocide 7067, is scheduled for the evening of Thursday, August 3rd, 2017 between 8:15 p.m. and 11:00 p.m. *or the evening of Friday, August 4th, 2017 between 8:15 p.m. and 11:00 p.m.  
    • Portion of Roberts Island, West of Stockton: See Map  COMPLETE
    • North Rural Escalon: See Map (added 8-3-17)  COMPLETE

 

  • Ground spraying for adult mosquito control using Pyrocide 7067, is scheduled for the morning of Friday, August 4, 2017 between 4:00 a.m. and 6:00 a.m. *or the morning of Saturday, August 5, 2017 between 4:00 a.m. and 6:00 a.m.  
    • North Stockton: North to Stanfield Dr., > South to Mosher Slough, > West to Bainbridge Pl., > East to Thornton Rd. See Map COMPLETE
    • Southeast Rural Lodi: North to south Paddy Creek, > South to Tokay Colony Rd., > East to Jack Tone Rd., > West to Hibbard Rd. See Map (added 8-3-17)  COMPLETE

 

  • Aerial spraying for larval mosquito control using VectoBac GS, is scheduled for the morning of Monday, July 31, 2017 between 7:00 am and 12:00 noon, *or the morning of Tuesday, August 1, 2017 between         7:00 a.m. and 12:00 noon.
    White Slough Wildlife Area  COMPLETE
  • Aerial spraying for adult mosquito control using Trumpet EC, is scheduled for the evening of Thursday, July 27, 2017 between 8:20 p.m. and 11:00 p.m. *or the evening of Friday, July 28, 2017 between 8:20 p.m. and 11:00 p.m.  
    • Rural North Delta Area: See Map  COMPLETE
    • Portion of Wright, Shima, and Rindge Tract - Delta Area: See Map COMPLETE
    • Rural South County: See Map COMPLETE
  • Ground spraying for adult mosquito control using Pyrocide 7067, is scheduled for the morning of Friday, July 28, 2017 between 4:00 a.m. and 6:00 a.m. *or the morning of Saturday, July 29, 2017 between 4:00 a.m. and 6:00 a.m.  
    • North Stockton: North to Mosher Slough., > South to Hammer Ln., > East to Lemans Ave., > West to Tam O'Shanter Dr. See Map  COMPLETE
    • North Stockton: North to Stanfield Dr., > South to Mosher Slough, > West to Bainbridge Pl., > East to Thornton Rd. See Map COMPLETE

 

  • Ground spraying for adult mosquito control using Pyrocide 7067, is scheduled for the evening of Friday, July 21, 2017 between 4:00 a.m. and 7:00 a.m. *or the evening of Saturday, July 22, 2017 between 4:00 a.m. and 7:00 a.m.  
    • Rural West Escalon: 1 mile North of Lone Tree Rd., > 1 mile South of Lone Tree Rd., > East to Campbell Rd., > West to Brennan Rd. See Map  COMPLETE
    • Rural East Escalon: 1 mile North of Hwy 120, > South to Hwy 120, > East to Victory Rd., > West to Henry Rd. See Map COMPLETE

 

  • Ground spraying for adult mosquito control using Pyrocide 7067, is scheduled for the evening of Thursday, July 20, 2017 between 8:25 p.m. and 11:00 p.m. *or the evening of Friday, July 21, 2017 between 8:25 p.m. and 11:00 p.m.  
    • Ripon Sewer: North to Doak Rd., > South to Stanislaus County Line, > West to Roberts Ave., > East to Stockton Ave. See Map COMPLETE
    • Portion of Rural Delta south of Hwy 12: North to Hwy 12, > South to Telephone Cut, > West to 3 miles west of I-5, > East to 1 mile west of I-5 See Map  COMPLETE
    • Portion of Brack Tract- Rural Delta Area: North to Hog Slough, > South to Sycamore Slough, > West to S. Fork Mokelumne River, > East to 1.5 miles west of I-5  See Map COMPLETE

 

  • Aerial spraying for adult mosquito control using Pyrocide 7396, is scheduled for the evening of Thursday, July 20, 2017 between 8:25 p.m. and 11:00 p.m. *or the evening of Friday, July 21, 2017 between 8:25 p.m. and 11:00 p.m.  
    • Rural South County: See Map COMPLETE

 

  • Aerial spraying for larval mosquito control using VectoBac GS, is scheduled for the morning of Thursday, July 13, 2017 between 7:00 am and 12 noon, *or the morning of Friday, July 14, 2017 between 7:00 a.m. and 12:00 noon.
    White Slough Wildlife Area COMPLETE

 

  • Ground spraying for adult mosquito control using Pyrocide 7067, is scheduled for the evening of Thursday, July 13, 2017 between 8:30 p.m. and 11:00 p.m. *or the evening of Friday, July 14, 2017 between 8:30 p.m. and 11:00 p.m.  
    • Ripon Sewer: North to Doak Rd., > South to Stanislaus County Line, > West to Roberts Ave., > East to Stockton Ave. See Map COMPLETE
    • Rural North Escalon: North to Edwards Ave., > South to Magnolia Rd., > West to Brennan Rd., > East to Campbell Rd. See Map (added 7/13/17)  COMPLETE

 

  • Aerial spraying for adult mosquito control using Trumpet EC, is scheduled for the evening of Friday, July 14, 2017 between 8:30 p.m. and 11:00 p.m. *or the evening of Saturday, July 15, 2017 between 8:30 p.m. and 11:00 p.m.  
    • Rural South County including San Joaquin River Club: See Map COMPLETE
    • Rural Northwest Stockton Delta area: Portions of Wright/Elmwood Tract, Shima Tract and Rindge Tract See Map  COMPLETE

 

  • Ground spraying for adult mosquito control using Pyrocide 7067, is scheduled for the morning of Monday, July 10, 2017 between 4:00 a.m. and 7:00 a.m. *or the morning of Tuesday, July 11, 2017 between 4:00 a.m. and 7:00 a.m.  
    • Portion of Brack Tract- Rural Delta Area: North to Hog Slough, > South to Sycamore Slough, > West to S. Fork Mokelumne River, > East to 1.5 miles west of I-5  See Map COMPLETE
    • Portion of South West Manteca: North to Wawona St., > South to Hwy 120, > East to S. Union Rd., >West to Airport Way See Map  COMPLETE
    • Portion of Rural South County: See Map  COMPLETE

 

  • Ground spraying for adult mosquito control using Pyrocide 7067, is scheduled for the morning of Friday, June 30, 2017 between 4:00 a.m. and 6:00 a.m. *or the morning of Saturday, July 1, 2017 between 4:00 a.m. and 6:00 a.m.  
    • Portion of Rural North County: North to W. Jahant Rd/Mokelumne River, > South to W. Peltier Rd., > West to Devries Rd., > East to N. Bender Rd. See Map  COMPLETE
  • Aerial spraying for larval mosquito control using VectoBac GS, is scheduled for the morning of Thursday, June 29, 2017 between 7:00 am and 12 noon, *or the morning of Friday, June 30, 2017 between 7:00 a.m. and 12:00 noon.
    White Slough Wildlife Area COMPLETE

 

  • Ground spraying for adult mosquito control using Pyrocide 7067, is scheduled for the morning of Friday, June 23, 2017 between 4:00 a.m. and 7:00 a.m. *or the morning of Saturday, June 24, 2017 between 4:00 a.m. and 7:00 a.m.  
    • Portion of West Brack Tract: See Map COMPLETE
    • Southern Portion of the City of Ripon: > North to W. Main St., > South to Doak Blvd , > West to S. Wilma Ave., > East to S. Stockton Ave. See Map  COMPLETE
    • Portion of South San Joaquin County area: > North to 1 mile north of E. McMullin Rd., > South to Perrin Rd., > East to Airport Way, > West to S. Hays Rd. See Map COMPLETE
    • Ripon Sewer, Stanislaus River Corridor, Spring Creek Golf Course: See Map COMPLETE

 

 

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News and Spray Alerts

Notes

* Rescheduling Cancelled Spraying: Scheduled spraying operations will move to the following day if weather conditions require canceling.

Hotline

West Nile Virus and
Dead Bird Hotline

(877) 968-BIRD (2473)

or online at westnile.ca.gov