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Dumping and Draining Standing Water:  An Effective Way to Prevent Mosquito Problems After Heavy Rains

Cotati, CA. April 11, 2023 – In the wake of this year’s heavy rain and flooding, officials from the Marin/Sonoma Mosquito and Vector Control District are reminding residents of the importance of dumping and draining standing water to prevent mosquito problems around their homes.

 Mosquitoes are not only a nuisance, they can also carry diseases such as West Nile virus and canine heartworm. Stagnant water is an ideal habitat for mosquitoes, making it crucial for residents to eliminate it around their properties.

"Dumping and draining standing water is one of the most effective ways to prevent mosquito production around your home," said Nizza Sequeira, Public Information Officer for the Marin/Sonoma Mosquito and Vector Control District. “Even small amounts of standing water can produce mosquitoes, so it's important to be vigilant and take action.”

Standing water can be found in many areas around homes, including flowerpots, bird baths, gutters, and even children's toys. To prevent mosquito problems around your home, it is important to take the following steps:

  • Keep gutters clean and free of debris to prevent water from accumulating.
  • Check for standing water in items like flowerpots, bird baths, and outdoor toys.
  • Keep swimming pools and hot tubs clean and properly treated.
  • Properly screen or seal rainwater harvesting containers.
  • Use a sump pump to remove standing water that may have accumulated under your home.
  • Use screens on windows and doors to prevent mosquitoes from entering your home.

In addition, residents should take steps to protect themselves from mosquito bites, such as wearing long-sleeved shirts and pants, using insect repellent, and avoiding outdoor activities during peak mosquito hours.

"We want to remind residents that mosquito-borne diseases are a serious concern, and taking steps to prevent mosquito breeding and protect yourself from bites is essential," said Sequeira. "By working together to eliminate standing water and protect ourselves from mosquito bites, we can help keep our community healthy and safe."

For more information on preventing mosquito problems, visit the Marin/Sonoma Mosquito and Vector Control District’s website at

The Marin/Sonoma Mosquito and Vector Control District's programs and services are funded through property taxes and benefit assessments and are provided to all residents in Marin and Sonoma counties at no additional charge. 


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