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The Lake County Vector Control District is a public health agency that protects Lake County residents and visitors from vectors and vector-borne diseases. The District is an independent special district that operates under the California Health and Safety Code §§ 2000-2093, and is governed by its own board of trustees. Click HERE for a map of the District's service area.

We conduct ongoing surveillance of mosquitoes, ticks, biting black gnats, and other vectors in Lake County to determine the threat of disease transmission and to direct our control activities.

The District practices a program of integrated vector management (IVM), which includes:

District Weather


2014 WNV Activity

  *Lake County *CA
Humans 1 797
(Fatal) (0) (29)
Sentinel Chickens 5 443
Dead Birds 18 2437
Mosquito Samples 71 3340

*Results as of December 23, 2014

Historical Results

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