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The Department of Environmental Health (DEH) enhances San Diegans' quality of life by protecting public health and safeguarding environmental quality, educating the public to increase environmental awareness, and implementing and enforcing local, state, and federal environmental laws. DEH regulates the following: retail food safety; public housing; public swimming pools; small drinking water systems; mobile-home parks; onsite wastewater systems; recreational water; aboveground and underground storage tanks and cleanup oversight; and medical and hazardous materials and waste. In addition, DEH serves as the Solid Waste Local Enforcement Agency, prevents disease carried by rats and mosquitoes and helps to ensure safe workplaces for County employees.


The Department of Environmental Health Vector Control Program (VCP) will conduct the seventh aerial application of mosquito larvicide for the 2014 mosquito season on Wednesday September 3, 2014.

Mosquito larvicide is applied by helicopter to wetlands in an effort to reduce the mosquito population and the risk of mosquito-borne diseases including West Nile Virus (WNV). The mosquito larvicide is made from naturally occurring bacteria which target the mosquito larvae in the water. This results in the efficient reduction of larvae before they can develop into biting adults which can spread diseases.  A total of 46 sites will be treated and additional applications will be conducted at four week intervals or as needed.  Mosquito populations are monitored and tested for the presence of West Nile Virus and other mosquito-borne diseases.   Information regarding the application is posted on the VCP webpage at and a notification sent through an e-gov interested parties listserv.


Haz Mat CrewFind out how DEH protects public health and safeguards our environment with everything from restaurant inspections to testing water at our beaches and from underground storage tanks to HazMat response in this brief video



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