Contact Us:
(209) 982-4675 or

Office Hours:
Monday - Friday
7:00 a.m. to 3:30 p.m.

7759 S. Airport Way
Stockton, CA 95206-3918

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The District's mosquito-borne disease surveillance program tests samples of known mosquito species that have the ability to carry West Nile Virus (WNV). The samples tested are of 50 or less mosquitoes. For the week below, +-65 traps were placed and collected samples of mosquitoes were tested for WNV.  The results are below. 

Positive Mosquito Samples
13 for week of 7/14/24
24 total for 2024

Positive Dead Birds
0 for week 7/14/24
3 total for 2024

Click here for human cases and positive equine information:

Mosquito populations increase as the weather gets warmer. It's initially ON you to keep mosquitoes OFF. Remove all standing water around your property. Report significant mosquito problems to the District.  See tips to prevent mosquito bites.  

Day Biting Mosquitoes

Day Biting Mosquitoes - Aedes Aegypti

The Asian tiger mosquito, Aedes albopictus and the yellow fever mosquito, Aedes aegypti, have become established in some areas of California. Aedes aegypti were found in west Stockton, CA during the summer of 2019. These species can develop in artificial containers in warmer areas.


Public Information Outreach

Watch Video

Through public information and outreach, the District provides updated and timely information and educational material to inform the public. YouTube, Facebook, Brochures and Publications, Be A Mosquito Detective, Take the Mosquito Quiz.