Spraying Update

No aerial treatment is scheduled at this time.

  • Sign up for spray notifications to receive emails when aerial spraying begins and ends.
  • Get text message updates when spraying begins and ends by texting FOLLOW SYMVCD to 40404 to Fast-follow our Twitter account @SYMVCD. Text STOP to 40404 to stop receiving updates.

    The aerial spraying information on this page will be the most accurate and up-to-date throughout the season. If you are not able to access this website, a daily updated recording is available by calling 800-429-1022, menu option 3.

    Get updates via

    Historical information for previous aerial treatments:


    Ground applications in Sacramento and Yolo counties

    Below you will find adult mosquito treatments currently scheduled and for the past seven days. For prior treatments, see the archive links below this table. Treatments are subject to change due to weather conditions.
    Typical AM times are 5:00am to 8:00am and PM times are 8:00pm to midnight.

    View a map of the areas subject to treatments.

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    List of all treatments for 2011.

    Archive of all treatments for 2010.
    Archive of all treatments for 2009.
    Archive of all treatments for 2008.
    Archive of all treatments for 2007.

    The Sacramento-Yolo Mosquito and Vector Control District's primary goal is to protect public health and welfare by managing mosquito populations so they do not present a significant risk to our community. In the event that mosquito populations pose a significant public nuisance or when emergency control measures are needed to rapidly disrupt or terminate the transmission of disease to humans, the District will respond by continuing to implement its Mosquito and Mosquito-borne Disease Management Plan.

    As part of this plan, the District may administer Ultra Low Volume (ULV) treatments by using backpack foggers, hand sprayers, truck-mounted foggers or aircraft, in and around areas where virus activity has been detected. Each fogging unit's output is calibrated to ensure the correct amount of product is applied for each treatment area. All products are registered with the California Environmental Protection Agency (EPA) and are applied by trained and state-certified technicians. Adulticides are chemicals that quickly reduce adult mosquito populations. Larvicides target immature mosquitoes.

    Labels for products used (PDF):

    The Sacramento-Yolo Mosquito and Vector Control District (SYMVCD) will make every attempt to notify individuals who sign-up for the District's notification list via e-mail. However, the District may not be able to notify the public if immediate applications are needed to protect public health and welfare from diseases such as West Nile virus, Western Equine Encephalomyelitis, St. Louis Encephalitis or malaria. The SYMVCD may also cancel a scheduled operation due to weather and/or other reasons.

    For additional product information, please contact the District at 1-800-429-1022 from 7:00 a.m. to 3:30 p.m. Monday - Friday.

     

    • Providing mosquito and vector control services for residents of Sacramento and Yolo counties since 1946.
    Copyright © 2009 Sacramento-Yolo Mosquito & Vector Control District. All Rights Reserved.