Mosquito & Vector Control

San Joaquin County Mosquito and Vector Control District (the District) is an independent special district formed pursuant to the California Health and Safety Code, Section 2000 et seq.. The District is governed by an appointed Board of Trustees, with representatives from each incorporated city and the county at large.
Office hours: M-F 7:00 a.m. to 3:30 p.m.
Contact: (209) 982-4675, or


District Office Father and son fishing in boat Delta island ditch Employee sampling water University of the Pacific Family picnicking Kids fishing on pier Trucking spraying Harvesting grapes Flock of birds Mother and child playing in field

Mosquito Control

Emphasis is placed on managing mosquito populations at levels that reduce the risk of virus transmissions to humans and horses in all areas.

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Community Education programs provided accurate and timely information to the public.


Take the mosquito quizTAKE THE MOSQUITO QUIZ

West Nile Virus

Current West Nile virus surveillance activity:  List or Map. For additional West Nile Virus Information:   READ MORE

Kids: Be a Mosquito Detective! Click here