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Dedicated to Protecting Public Health Through Science and Service

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Mosquito Information

Learn about mosquito species, lifecylce, and prevention

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Board Agenda

Access meeting schedules, minutes and agendas

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Service Requests

Submit a request for inspection 

Weekly Mosquito Testing Results

West Nile Virus Update - Week of August 3rd

West Nile Virus Update: One (1) positive mosquito sample was found in Chino. Wear repellent outdoors, dump and drain standing water, and call us for mosquito concerns.

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VIRTUAL VECTOR VISITS!

Send us your backyard pics and receive personalized instructions from our professional staff in the app!

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District Updates & Latest News

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Mosquito Prevention Tips

Learn how you can prevent mosquitoes in your home every season!

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Learn More About Our Services

Find about new updates regarding mosquitoes in your area!

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Learn More About S.I.T. Program

Heard about Sterile Insect Technique? Learn more about our program here!

Mosquito Prevention Checklist

Daily: Wear repellent outdoors. Use DEET, Picaridin, Oil of Lemon Eucalyptus, or IR3535.

Weekly: Scrub outdoor plant saucers. Dump out any standing water.

Weekly: Scrub indoor plant saucers. Empty all plates holding water.

Weekly: Check indoor decorative vases. Dump water or add rocks to displace it.

Weekly: Clear out yard drains. Add pea gravel or drill holes in boxes.

Weekly: Sweep sidewalk gutters. Keep the concrete clear and dry.​

Monthly: Inspect window and door screens. Fix holes, tears, and loose gaps.

After Rain: Check rain gutters, clear blockages and scrub to remove any eggs

Check Yearly: Consider putting mosquitofish in ponds, horse water troughs, or other permanent water sources.

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