Vector/Mosquito Control

The Suffolk County Department of Public Works, Division of Vector Control, is responsible for controlling mosquito infestations that are of public health importance. This work is performed under the authority of the New York State Public Health Law - Article 15, Sections 1500, 1501 and 1502, Suffolk County Local Law - Number 16 and the Suffolk County Charter - Section 8.

Scheduled Adult Mosquito Spraying

Updated daily with information concerning where adult mosquito control spraying will occur.

Suffolk County "No Spray" Registry

Information about the new "No Spray" law and how to register.

Suffolk Mosquito Control Plan

The Suffolk County Vector Control Environmental Impact Statement and Wetlands Management Long-Term Plan

Online Mosquito Complaint Form

Submit mosquito related complaints online

Vector Control Pesticide Labels and SDS/MSDS

Listing of Adult Mosquito and Larva Control Chemicals, Labels and SDS's

2019 Vector Control Plan of Work

The Division meets its responsibilities in consultation with the Suffolk County Department of Health Services (SCDHS) and appropriate federal, state and local agencies.

For additional information:

The Suffolk County Department of Public Works, Division of Vector Control is open daily from 8:30 am to 4:00 pm. The office is closed on weekends and holidays. If you have a question about mosquito control or would like to inform us of a mosquito or drainage problem, please call us at (631) 852-4270 during our regular office hours. You may also contact us at Please include your name, address, location of the service request if different, description of problem and a phone number you can be reached at during our regular office hours.

Additional information concerning mosquito-borne diseases and pesticides used in mosquito control:

Centers for Disease Control (CDC) -

Vector Borne Diseases: West Nile virus and other mosquito and tick borne diseases.

US Environmental Protection Agency -

EPA Fact Sheets on mosquito control and pesticides used to control them.

NY State Health Department -

West Nile Virus information site.

NYS Dept. of Environmental Conservation -

Protecting NY State's natural resources and environment.

The National Pesticide Information Center (NPIC) -

A cooperative effort of the EPA and Oregon State University.