Spray Alerts

Current Spraying Operations:

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

• Aerial spraying for adult mosquito control using Dibrom, is scheduled for the evening of Thursday, October 10, 2024, between 6:45 p.m. and 9:00 p.m. 
  • Brack-Canal Ranch-Terminous: Portions of Brack Tract, Canal Ranch, and Terminous Tract See Map COMPLETE
  • Rural South County: See Map COMPLETE
     
• Ground spraying for adult mosquito control using DeltaGard® and/or Evergreen 525, is scheduled for the morning of Friday, October 11, 2024 between 3:30 a.m. and 6:30 a.m. (Added- 10/10/24)
  • Portion of East Manteca: >North to Southland Rd., >South to E. Yosemite Ave., >East to S. Austin Rd., >West to Cottage Ave. and Hwy. 99  See Map COMPLETE
  • Portion of South Manteca: >North to Wawona St., >South to Hwy 120, >East to Union Rd. >West to Airport Way.  See Map COMPLETE
  • South of Linden- Peters Area: >North to Milton Rd., >South to Dietrich Rd., >East to S. Hewitt Rd., >West to Dietrich Rd. See Map COMPLETE
  • Portion of South Stockton: >North to E. Munford Ave. & Catamaran Wy., >South to Industrial Dr. and Bayliner Dr.,  >East to Hwy 99, West to Pock Ln. & Lanyard Dr. See Map COMPLETE
  • Rural East Escalon: >North to OID Canal, >South to Hwy 120, >East to Victory Ave., >West to Henry Rd. See Map COMPLETE
  • 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

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Past Completed Spray Operations:

• Aerial spraying for adult mosquito control using Dibrom, is scheduled for the evening of Wednesday, October 9, 2024, between 6:45 p.m. and 9:00 p.m. 
  • North Delta: Empire Tract and surrounding areas See Map COMPLETE
     
• Ground spraying for adult mosquito control using DeltaGard® and/or Evergreen 525, is scheduled for the morning of Thursday, October 10, 2024 between 3:30 a.m. and 6:00 a.m.
  • Eastern Portion of the City of Escalon: >North to California St., >South to Vine Ave., >East to Brook St., >West to Main St. See Map COMPLETE
  • Portion of Rural North Escalon: >North to Dove Rd., >South to Lone Tree Rd., >East to Steinegul Rd., >West to Escalon Bellota Rd. See Map COMPLETE
  • Portion of Northeast Manteca:  >North to E. Lathrop Rd., >South to Louise Ave., >East to Hwy 99, >West Tidewater Pk See Map COMPLETE
  • Portion of Central Manteca: >North to E. Edison St. >South to E. North St., >East to Mylnar Ave., >West to Grant Ave See Map COMPLETE
     

• Ground spraying for adult mosquito control using DeltaGard® and/or Evergreen 525, is scheduled for the morning of Thursday, October 3, 2024 between 3:30 a.m. and 5:30 a.m.
  • North Lathrop: >North to Roth Rd., >South to W. Lathrop Rd., >East  to RR Tracks, > West to S. Harlan Rd. See Map COMPLETE
  • Central Lathrop Area: >North to J St., >South to O St., >East to S. Harlan Rd. , >West to 5th St. See Map COMPLETE
  • Portion of West Manteca: >North to E Lathrop Rd., >South along the RXR tracks, >East to London Ave., >West to S. Airport Way. See Map COMPLETE
  • Portion of North Ripon: >North to E. River Rd. and SSJ Canal, >South to E. Milgeo Ave., >East to S. Murphy Rd., >West Fulton Ave. See Map COMPLETE

• Aerial spraying for adult mosquito control using Dibrom, is scheduled for the evening of Thursday, October 3, 2024, between 7:00 p.m. and 9:00 p.m. 
  • West Ripon & Rural South County including SJ River Club: See Map COMPLETE

• Ground spraying for adult mosquito control using DeltaGard® and/or Evergreen 525, is scheduled for the morning of Friday, October 4, 2024 between 3:30 a.m. and 5:30 a.m.
  • Portion of South Stockton: >North to Dr. Martin Luther King Blvd., >South to E. 9th Street, >East to U.P. RR tracks, >West to S. El Dorado St. See Map COMPLETE
  • Portion of East Stockton: >North to RR tracks north of Wagner Ave., >South to E. Main St., >East to the Diverting Canal, >West to Dawes Ave. See Map COMPLETE
  • North Morada: >North to Zeppelin Ln., >South to E. Morada Ln., >East to 99 Frontage Rd., >West to Holman Rd. See Map COMPLETE
  • Central Manteca: >North to W. Alameda St., >South to W. Center St., >East to N. Main St., >West to Tidewater Pk See Map COMPLETE
  • North Escalon: >North to Mission St., >South to Jackson Ave., >East to Campbell Ave.,> West to McHenry Ave. See Map COMPLETE
  • East Lodi Area: >North to E. Lockeford St.,  >South to E. Vine Street, >East to S. Cherokee Ln., >West to S. Stockton St. See Map COMPLETE

• Aerial spraying for adult mosquito control using Dibrom, is scheduled for the evening of Sunday, September 29, 2024 between 7:15 p.m. and 9:00 p.m.
  • Empire Tract and surrounding areas. See Map COMPLETE
  • Portions of Brack Tract, Canal Ranch, and Terminous Tract: See Map COMPLETE
• Ground spraying for adult mosquito control using DeltaGard® and/or Evergreen 525, is scheduled for the morning of Friday, September 27, 2024 between 3:30 a.m. and 6:00 a.m.
  • Portion of Rural East Lodi: >North to Sargent Rd., >South to Harney Ln., >East to Atkins Rd., >West to Tully Rd. See Map COMPLETE
  • Portion of Rural South West Lodi: >North to W. Kingdom Rd., > South to Armstrong Rd., >West to I-5 & Thornton Rd., >East to UPRR. See Map  COMPLETE
  • East Lodi Area: >North to E. Lockeford St.,  >South to E. Vine Street, >East to S. Cherokee Ln., >West to S. Stockton St. See Map  COMPLETE
  • Rural East Escalon: >North to OID Canal, >South to Hwy 120, >East to Victory Ave., >West to Henry Rd. See Map  COMPLETE
  • Portion of Rural West Farmington: >North to Little Johns Creek, >South to Gawne Rd., >East to Mobley Rd., >West Stow Ave. See Map  COMPLETE
  • Portion of North Ripon: >North to E. River Rd. and SSJ Canal, >South to E. Milgeo Ave., >East to S. Murphy Rd., >West Fulton Ave. See Map  COMPLETE
  • Southwest Ripon: >North to W. Ripon Rd., >South Riverview Cir., >East S. Highland Ave., >West S. Olive Ave.  See Map  COMPLETE
  • Portion of South Stockton West of I-5: >North to Wall St., Platte Rd., Truckee Ln., La Vita Dr., and Walbury St. >South to Alta Sierra St., Diablo Creek Dr. and 8th St. >East to Moss Garden Ave., Moss Rock Ln., Capitola Cir., Pajaro Way, and Dry Creek Way,  >West to Oxwell and Tille Lewis Dr.  See Map  COMPLETE
• Ground spraying for adult mosquito control using DeltaGard® and/or Evergreen 525, is scheduled for the morning of Tuesday, September 24, 2024 between 3:30 a.m. and 5:30 a.m.
  • Portion of North East Manteca: >North to E. Lathrop Rd., >South to Louise Ave., >East to Hwy 99, >West Tidewater Pk.  See Map  COMPLETE
  • Portion of South Manteca: >North to Wawona St., >South to Hwy 120, >East to Union Rd. >West to Airport Way. See Map COMPLETE

• Aerial spraying for adult mosquito control using Dibrom and/or Evergreen 5-25, is scheduled for the evening of Sunday, September 22, 2024 between 7:15 p.m. and 9:00 p.m.
  • Portions of Brack Tract, Canal Ranch, and Terminous Tract: See Map  COMPLETE
     
  • Ground spraying for adult mosquito control using DeltaGard® and/or Evergreen 525, is scheduled for the morning of Thursday, September 19, 2024 between 3:30 a.m. and 5:30 a.m.
    • Portion of West Manteca:  >North to Louise Ave., >South to W. Yosemite Ave., >East Tidewater Pk, >West  to N. Airport Way See Map COMPLETE
  • Portion of South Manteca:  >North to E. Woodward Ave., >South to Tannehill Dr., >East to Pillsbury Rd., >West to S. Main St. See Map COMPLETE
     
• Ground spraying for larval mosquito control using Vectobac WDG larvacide, is scheduled for the morning of Thursday, September 19, 2024, between 3:30 a.m. and 5:30 a.m.
  • Central Manteca: >North to W. Alameda St., >South to W. Center St., >East to N. Main St., >West to Tidewater Pk  See Map COMPLETE
     
• Ground spraying for adult mosquito control using DeltaGard® and/or Evergreen 525, is scheduled for the morning of Friday, September 20, 2024 between 3:30 a.m. and 5:30 a.m. (ADDED 9/18/24 P.M.)
  • South Central Tracy:  > North to R&R, > South to Valpico Rd., > East to Sycamore Pkwy, > West to Corral Hollow Rd. See Map COMPLETE
  • Portion of North Manteca:  >North to Arbor Brook Dr. >South to W. Lathrop Rd., >East to Happy Valley Ln., >West to  Airport Way  See Map COMPLETE
  • Portion of Stockton: >North to E. Munford Ave. & Catamaran Wy., >South to Industrial Dr. and Bayliner Dr.,  >East to Hwy 99, West to Pock Ln. & Lanyard Dr. See Map COMPLETE
  • Portion of South Stockton: >North to Dr. Martin Luther King Blvd., >South to E. 9th Street, >East to U.P. RR tracks, >West to S. El Dorado St. See Map COMPLETE
     
• Aerial spraying for adult mosquito control using Dibrom, is scheduled for the evening of Monday, September 9, 2024, between 8:00 p.m. and 10:00 p.m. 
  • City of Ripon and surrounding rural areas: See Map COMPLETE
  • City of Escalon and surrounding rural areas: See Map COMPLETE
     
• Ground spraying for adult mosquito control using DeltaGard® and/or Evergreen 525, is scheduled for the morning of Thursday, September 5, 2024 between 3:30 a.m. and 5:30 a.m.
  • Portion of South Stockton: >North to E Jefferson St., >South to E. 9th Street, >East to U.P. RR tracks, >West to S. El Dorado St.  See Map COMPLETE
  • Northwest Stockton- Brookside Area: >North to W. March Ln., >South to Brookside Rd., >East to Feather River Dr., >West to Brookside Rd See Map COMPLETE
  • East Lodi: >North to E. Lodi Ave., >South to E. Tokay St., >East to S. Cherokee Lane, >West to S. Stockton St. See Map COMPLETE
  • Central Manteca: >North to W. Alameda St., >South to W. Center St., >East to N. Main St., >West to Tidewater Pk See Map COMPLETE
  • A Portion of South Stockton West of I-5: >North to Wall St., Platte Rd., Truckee Ln., La Vita Dr., and Walbury St. >South to Alta Sierra St., Diablo Creek Dr. and 8th St. >East to Moss Garden Ave., Moss Rock Ln., Capitola Cir., Pajaro Way, and Dry Creek Way,  >West to Oxwell and Tille Lewis Drive See Map COMPLETE

Aerial spraying for adult mosquito control using Dibrom, is scheduled for the evening of Tuesday, September 3, 2024, between 7:45 p.m. and 10:00 p.m. 

• Delta Area West of Lodi: Portions of: Terminous Tract, Shin Kee Tract, Bishop Tract, Rio Blanco Tract, and King Island. See Map COMPLETE
• Delta Area West of Lodi: Portions of Brack Tract and Terminous Tract See Map COMPLETE

Aerial spraying for adult mosquito control using Dibrom, is scheduled for the evening of Thursday, August 29, 2024, between 7:45 p.m. and 10:00 p.m. 

• Delta Area West of Lodi: Portions of: Terminous Tract, Shin Kee Tract, Bishop Tract, Rio Blanco Tract, and King Island. See Map Completed with truck units. 
• Rural East Ripon: >North to .6 mile south of Greenleaf Rd., >South to Stanislaus River, >East to Sexton Rd., >West to Wagner Rd. See Map COMPLETE
   

Ground spraying for adult mosquito control using DeltaGard® and/or Evergreen 525, is scheduled for the evening of Thursday, August 29, 2024, between 7:45 p.m. and 10:00 p.m.

• Rural North Ripon: >North to Yosemite Ave, >South to Mello Rd., >East to S. Wagner Ave., >West to Murphy Rd.  See Map  COMPLETE
• Rural North Escalon: >North1/2 mile north of Skiff Rd., >South to 1/2 mile south of Skiff Rd., >East to Escalon Bellota Rd., >West to Biederman Way See Map COMPLETE
• Rural East Escalon: >North to OID Canal, >South to Hwy 120, >East to Victory Ave., >West to Henry Rd. See Map COMPLETE
   

Ground spraying for adult mosquito control using DeltaGard® and/or Evergreen 525, is scheduled for the morning of Friday, August 30, 2024, between 3:30 a.m. and 6:00 a.m.

• Portion of Rural East Lodi: >North to Kettleman Ln., >South to Tokay Colony Rd., >East to Jack Tone Rd., >West to Hibbard Rd. See Map COMPLETE
• Rural West Lodi:  >North to W. Harney Ln., >South to Armstrong Rd., >East to UPRR, >West to Ray Rd. See Map COMPLETE
• South of Linden-Peters Area: >North to Milton Rd., >South to Dietrich Rd., >East to S. Hewitt Rd., >West to Dietrich Rd. See Map COMPLETE
• Portion of Thornton Area: >North to New Hope Rd., >South to Beaver Slough, >East to Mokelumne River and Klie Rd., >West to I-5 See MapCOMPLETE
• Portion Of West Tracy: >North to Tennis Lane and W. Schulte Rd., >South to Western Pacific R&R, >East to Coral Hollow Rd., >West to Faith Ln. and Mabel Josephine Dr. See Map COMPLETE
• Portion of South Stockton: >North to E. Munford Ave., >South to Industrial Dr.,  >East to Hwy 99, West to Pock Ln. See Map COMPLETE
• Portion of East Manteca: >North to Northgate Dr., >South to W. Louise Ave.,  East to N. Main St., >West to Tidewater Park See Map  COMPLETE

Ground spraying for adult mosquito control using DeltaGard® and/or Evergreen 525, is scheduled for the morning of Friday, August 23, 2024, between 3:30 a.m. and 6:00 a.m.

• East Escalon: >North to Yosemite Ave., >South to Valdapena Wy, Thompson Way, Zinfandel Dr. and Daniels Ave., >East to McHenry Ave., >West to Brennan Rd.  See Map COMPLETE
• A Portion of South Stockton, East of I-5: >North to W. 8th Street, >South to Horton Ave.,  >East to S. El Dorado St., >West to Turnpike Rd. See Map COMPLETE
• A Portion of South Stockton, West of I-5: >North to Wall St., Platte Rd., >South to Alta Sierra St. and Diablo Creek Dr., >East to Pajaro Way, >West to Tille Lewis Drive and Oxwell See Map COMPLETE
• A Portion of South Stockton: >North to Dr. Martin Luther King Blvd., >South to E. 9th Street, >East to U.P. RR tracks, >West to S. El Dorado St.  See Map COMPLETE
• A Portion of Lockeford: >North to Hwy 88, >South to Brandt Rd., >East to one mile east of Jack Tone Rd., >West to Jack Tone Rd. See Map
• West Roberts Island: See Map COMPLETE
• Ripon Sewer: >North to Doak Rd., >South to Stanislaus County Line, >East to Stockton Ave., >West to Robert Ave. See Map (added 8/22/24) COMPLETE
• A Portion of North Ripon: >North to SSJ Canal, >South to E. Milgeo Ave., >East to S. Murphy Rd., >West to N. Ripon Rd. See Map (added 8/22/24) COMPLETE
   

Ground spraying for larval mosquito control using Vectobac WDG Larvacide,  is scheduled for the morning of Friday, August 23, 2024, between 3:30 a.m. and 6:00 a.m.

• Portion of North Escalon: >North to Mission St., >South to California St., >East to Campbell Ave., >West to Sierra Dr.  See Map COMPLETE

Ground spraying for adult mosquito control using DeltaGard® and/or Evergreen 525, is scheduled for the morning of Thursday, August 22, 2024, between 3:30 a.m. and 6:00 a.m.

• A Portion of North Escalon: >North to Mission St., >South to California St., >East to Campbell Ave., >West to Sierra Dr.  See Map COMPLETE
• A Portion of North Ripon: >North to E. River Rd. and SSJ Canal, >South to E. Milgeo Ave., >East to S. Murphy Rd., >West Fulton Ave.  See Map COMPLETE
• Ripon Sewer: >North to Doak Rd., >South to Stanislaus County Line, >East to Stockton Ave., >West to Robert Ave. See Map PARTIALLY COMPLETE
• Rural East Escalon: >North to OID Canal, >South to Hwy 120, >East to Victory Ave., >West to Henry Rd. See Map COMPLETE
   

Ground spraying for larval mosquito control using Vectobac WDG, is scheduled for the morning of Thursday, August 22, 2024, between 3:30 a.m. and 6:00 a.m.

• Portion of West Escalon: >North to Yosemite Ave., >South to 1st Street, >East to McHenry Ave. & Hwy120, >West to Brennan Rd.  See Map COMPLETE

Ground spraying for adult mosquito control using DeltaGard® and/or Evergreen 525, is scheduled for the evening of Thursday, August 15, 2024, between 8:00 p.m. and 10:30 p.m.

• A Portion of Rural East Escalon:  >North to Greenleaf Rd., >South to Stanislaus River, >East to Stanislaus River, >West to Brennan Rd.  See Map COMPLETE
• A Portion of Rural East Escalon: >North to OID Canal, >South to Hwy 120, >East to Victory Ave., >West to Henry Rd. See Map COMPLETE
• A Portion of Rural South County- West of Ripon: > North to one mile north of E. McMullin Rd. > South to Perrin Rd., > East to Airport Way, > West to S. Hays Rd. See Map COMPLETE
   

Ground spraying for adult mosquito control using DeltaGard® and/or Evergreen 525, is scheduled for the morning of Friday, August 16, 2024, between 3:30 a.m.  and 6:00 a.m.

• A Portion of Northwest Tracy: >North to I-205, >South to W. Lowell Ave., >East to W. Lowell Ave., > West to Foothill Vista Dr. & Joe Pombo Pkwy. See Map COMPLETE
• A Portion of West Tracy: >North to Pedro Lane, >South to Clemente Rd., >East to Coral Hollow Rd., >West to Faith Ln. and Mabel Josephine Dr. See Map COMPLETE
• A Portion of South Stockton: >North to E. Munford Ave., >South to Industrial Dr.,  >East to Hwy 99, West to Pock Ln. See Map COMPLETE
• A Portion of West Escalon:>North to Yosemite Ave., >South to 1st Street, >East to McHenry Ave. & Hwy120, >West to Brennan Rd. See Map COMPLETE
• Rural Southeast Lodi: >North to E. Harney Ln., >South to Tokay Colony Rd., >East to Jack Tone Rd., >West to Hibbard Rd. See Map  COMPLETE

Aerial spraying for adult mosquito control using Dibrom, is scheduled for the evening of Tuesday, August 13, 2024, between 8:00 p.m. and 10:00 p.m. 

• Delta Area West of Lodi: Portions of Brack Tract and Terminous See Map COMPLETE

Ground spraying for adult mosquito control using DeltaGard® and/or Evergreen 525, is scheduled for the morning of Thursday, August 8, 2024, between 3:00 a.m. and 5:00 a.m.

• Portion of South Stockton: >North to Dr. Martin Luther King Blvd., >South to E. 9th Street, >East to U.P. RR tracks, >West to S. El Dorado St.  See Map COMPLETE

Ground spraying for larval mosquito control using Altosid® Liquid Larvacide, is scheduled for the morning of Thursday, August 8, 2024, between 8:00 p.m. and 10:00 p.m.

• Portion of South Stockton: >North to 5th Street, >South to E. 9th Street, >East to U.P. R&R, >West to S. Sutter St. See Map 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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