Residential Truck-Mounted Treatments

Reducing the population of adult mosquitoes with public health pesticides (adulticides) that are registered by the US Environmental Protection Agency (US EPA) will be done if necessary to prevent human illness or suppress a heavy nuisance infestation of mosquitoes. The decision to use mosquito control applications either by truck-mounted, backpack or aircraft application equipment will be based on surveillance information or the documentation of West Nile virus or other mosquito-borne disease activity at a level that indicates a threat to human health. Either Ultra-Low Volume (ULV) adulticide treatments or Wide Area Larvicide Spraying (WALS) treatments will be conducted in concentrated areas most at risk for disease occurrence or where travel-related mosquito-borne disease cases have been identified.

If weather conditions are not favorable, or if there are operational delays, the treatment may be postponed or delayed. Treatments may continue or resume in the following weeks with continued West Nile virus or other mosquito-borne disease activity.

Santa Ana Treatment Application Dates and Times:

When: October 11th, 14th and 15th
Time: 3:00 a.m. - 5:00 a.m.
Treatment: Truck application using DeltaGard and Vectobac WDG

Application Area (shaded area indicates application area)

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Santa Ana Treatment Application Dates and Times:

When: October 11th, 14th and 15th
Time: 3:00 a.m. - 5:00 a.m.
Treatment: Truck application using DeltaGard and Vectobac WDG

Application Area (shaded area indicates application area)

View larger map

Website Accessibility Statement

Orange County Mosquito and Vector Control District (the "District") is committed to ensuring that its services are accessible to all members of the public. As part of this commitment, the District strives to provide an accessible website compatible with the Web Content Accessibility Guidelines (WCAG) version 2.1, AA, and commercial screen reading software. Features of the website are created to allow individuals with vision and other impairments to understand and use the website to the same degree as someone without disabilities.

If you need any special assistance or accommodations:

Contact our compliance support team via telephone at: (888) 765-1970

Ongoing Compliance Information

Compliance Coordinator

The District has designated a Compliance Coordinator for website disability-related accommodations. The Compliance Coordinator has received training in website accessibility and updates the site in accordance with those best practices and requirements.

Compliance Procedures

The District is working to ensure all website content complies with the Americans with Disabilities Act and controlling State laws. In an ongoing effort to continually improve and remediate accessibility issues, the website is regularly scanned to ensure ongoing compliance, and timely changes are made to any inaccessible content if found.

Accessible Documents Policy

The District is committed to providing all documents hosted on the website in an accessible format or making accessible alternatives available.

Linked Documents and Third Parties

Please note that this site may link out to third-party websites that do not have accessible content. This site may also include documents provided by third parties. While we cannot control the accessibility of content provided by third parties, we are happy to assist any member of the public with reading and accessing content on our site.

Report a Website Accessibility Issue

We are committed to your ability to access all content, and we will respond to all requests in a timely manner. If you need assistance or accommodations while accessing content on this website, please contact our Compliance Coordinator via the form below:

Residential Truck-Mounted Treatments

Large Area Mosquito Treatment History

Mosquito Control Products

Frequently Asked Questions

Notification for residential treatments

Completed Residential Truck-mounted Treatment