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.

Wet weather can create 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 4:45 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.
  • Do mosquitoes breed around DSRSD water reservoirs?

    There are no potential access points for mosquitoes on above-ground reservoirs, and we have taken steps to discourage mosquito activity at our underground recycled water reservoirs, including installing barriers that keep mosquitoes out of air vents and access hatches.