Mosquito FAQs

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Take Action Against Mosquitoes!

  standing water in flower pots
  Even small amounts of standing water create ideal habitat for mosquitoes to breed.

A record wet winter has created ideal breeding conditions for mosquitoes: stagnant water and high grass.

Our local vector control agencies have many excellent resources to help you inspect your yard and get rid of all sources of stagnant water. We’ve provided a few links below but recommend that you visit their websites for much more information.

Alameda County Mosquito Abatement District

(510) 783-7744 www.mosquitoes.org

Contra Costa County Mosquito & Vector Control District
(925) 771-6196 www.contracostamosquito.com

  • Vector TV: brief YouTube videos on abating mosquitoes and many other topics
  • Brochures on similar topics in English and Spanish
  • Who should I call if I see leaks, standing water, or large mosquito populations at a DSRSD facility?

    Please call Customer Service at (925) 828-8524, Monday through Friday, 8 a.m. to 5 p.m. or email CustomerService@dsrsd.com. For a water or sewer emergency after business hours, call Alameda County Sheriff's Dispatch (925) 462-1212.
  • Is the DSRSD water reservoir near my home breeding mosquitoes?

    There are no potential access points for mosquitoes on above-ground reservoirs, but we have taken steps to discourage mosquito activity at our underground recycled water reservoirs. Beginning in the fall of 2016, we installed temporary barriers that keep mosquitoes out of air vents and access hatches. In 2017 we verified that the barriers are intact and are installing permanent barriers. Vector control agencies have been informed of these measures.