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):
 

• Ground spraying for adult mosquito control using Evergreen® 5-25 is scheduled for the morning of Tuesday, May 4,  2020, between 5:00 a.m. and 7:00 a.m. or depending on weather, the morning of Wednesday, May 5, 2020, between 5:00 a.m. and 7:00 a.m.
  • Rural East Escalon: > North to 1/2 mile north of Owens Rd, > South to 1/2 mile south of Owens Rd., >East to Steinigal Rd., > West Campbell Rd. See Map COMPLETE
  • Rural North Escalon: >North to Edwards Ave., > South to Lone Tree, > East to Campbell Rd., >West to Droge Rd. See Map COMPLETE

 

Past Operations from 2020​:
 

• Ground spraying for adult mosquito control using Evergreen® 5-25 is scheduled for the evening of Monday, November 2, 2020, between 6:00 p.m. and 8:00 p.m. or depending on weather, the evening of Tuesday, November 3, 2020, between 6:00 p.m. and 8:00 p.m.
  • West Stockton including the Port and Stockton Sewer: >North to McCloy Ave., >South to Hwy 4, >East to San Joaquin River, >West to Port of Stockton Expressway See Map COMPLETE
     
• Ground spraying for larval mosquito control using Vectobac® WDG is scheduled for the morning of Wednesday, November 4, 2020 between 4:00 a.m. to 6:00 a.m. or depending on weather, the morning of Thursday, November 5, 2020 between 4:00 a.m. to 6:00 a.m.
  • Portion of Southwest Stockton Brookside area: >North to March Ln., >South to Brookside Rd., >West to Brookside Rd., >East to Feather River Dr. See Map  CANCELED

• Aerial spraying for adult mosquito control using Dibrom is scheduled for the evening of Friday, October 30th, 2020, between 6:00 p.m. and 8:00 p.m. or depending on the weather, the evening of Sunday, November 1, 2020, between 6:00 p.m. and 8:00 p.m.​
  • A Portion of Rural West Ripon: See Map   Modified 10/29/2020    **Due to a mechanical issue, the spray operation was canceled for Thursday, Oct. 29th and is rescheduled above.**  COMPLETE

• Ground spraying for adult mosquito control using Evergreen® 5-25 is scheduled for the evening of Thursday, October 22, 2020, between 6:15 p.m. and 8:00 p.m. or depending on weather, the evening of Friday, October 23, 2020, between 6:15 p.m. and 8:00 p.m.
  • Portion of Rural Northeast Escalon: >North to Dodds Rd., >South to Lone Tree Rd., >East to Cometa Rd. & Victory Ave., >West to Steinegul Rd.  See Map COMPLETE
  • Portion of Rural South County, Division Rd Area: >North to Airport Way, Division Rd. and Avenue D, >South to San Joaquin and Stanislaus Rivers, > East to Stanislaus River, >West to San Joaquin River See Map  Added 10/22/2020 COMPLETE

• Ground spraying for adult mosquito control using Evergreen® 5-25 is scheduled for the morning of Wednesday, October 21, 2020, between 5:00 a.m. and 7:00 a.m. or depending on weather, the morning of Thursday, October 22, 2020, between 5:00 a.m. and 7:00 a.m.
  • Manteca- Weatherbee Lake Area:  See Map  COMPLETE

• Aerial spraying for adult mosquito control using Dibrom is scheduled for the evening of Sunday, October 18th, 2020, between 6:30 p.m. and 8:30 p.m. or depending on the weather, the evening of Monday, October 19th, 2020, between 6:30 p.m. and 8:30 p.m.​
  • A Portion of Rural West Ripon: See Map COMPLETE

• Aerial spraying for adult mosquito control using Dibrom is scheduled for the evening of Thursday, October 15th, 2020, between 6:30 p.m. and 8:30 p.m. or depending on the weather, the evening of Friday, October 16th, 2020, between 6:30 p.m. and 8:30 p.m.​
  • Delta Area West of Lodi: Portions of Staten Island, Brack, and Terminous Tracts. See Map COMPLETE
  • Rural West Lodi: >North to HWY 12, >South to Telephone Cut, >East to White Slough, >West to Two Miles West of I-5. See Map COMPLETE
     

• Aerial spraying for adult mosquito control using Dibrom is scheduled for the evening of Thursday, October 8th, 2020, between 6:45 p.m. and 9:00 p.m. or depending on the weather, the evening of Friday, October 9th, 2020, between 6:45 p.m. and 9:00 p.m.
  • Rural West Lodi: > North to Hwy 12, > South to Telephone Cut, > East to I-5, > West to three miles west of I-5 See Map COMPLETE
  • Delta Area West of Lodi: Portions of Brack Tract & -Canal Ranch Tract See Map COMPLETE
  • Delta Area West of Lodi: Portions of Brack Tract, Canal Ranch Tract, Terminous Tract, and Staten Island  See Map   COMPLETE
• Aerial spraying for adult mosquito control using Dibrom is scheduled for the evening of Monday, October 5th, 2020, between 6:45 p.m. and 9:00 p.m. or depending on the weather, the evening of Tuesday, October 6th, 2020, between 6:45 p.m. and 9:00 p.m.
  • Delta Area: Portions of Empire Tract and Termious Tract See Map COMPLETE
  • Delta Area West of Lodi: Portions of: Staten Island, Brack and Terminous Tracts  See Map  COMPLETE

• Ground spraying for adult mosquito control using Evergreen® 5-25 and/or DeltaGard® is scheduled for the evening of Thursday, October 1, 2020, between 6:50 p.m. and 10:00 p.m. or depending on weather, the evening of Friday, October 2, 2020, between 6:50 p.m. and 10:00 p.m.
  • Rural North Manteca: >North to Duck Creek, >South to Lovelace Rd., >East to Hwy 99, >West to Union Rd.  See Map COMPLETE
  • Rural East Escalon: >North to Dutra Ln., >South to Hwy 120, >East to Victory Ave., >West to Henry Rd. 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
  • Portion of Rural South County - Division Rd. Area: >North to Avenue D & Division Rd., >South to San Joaquin and Stanislaus Rivers, > East to Stanislaus River, >West to Two Rivers Rd. See Map COMPLETE
  • Delta Islands West of Stockton- Portions of: Shima Tract, Rindge Tract, Wright Tract, Lower Roberts Island  See Map (Updated to ground from canceled aerial) 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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