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Environmental Health Services

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Vector Control

Vector is a technical term for an agent (i.e. animal or insect) that carries and transmits a disease. Our Vector Control program works to remove and control pests that can interfere with healthy living.


We respond to complaints about rats in residences and outdoors. Our environmental health inspectors will inspect the site, provide treatment for the problem, and make recommendations to keep residences rodent free. We also respond to reports and questions about mice, roaches, ticks, fleas and other pests.

Rat Complaint Line: 215-685-9000


We investigate and control disease-carrying insects, like mosquitoes, that can transmit the West Nile Virus. We investigate and treat stagnant pools and standing water where mosquitoes can breed, and help individuals learn how to protect themselves and their homes from mosquitoes.

Mosquito Complaint Line: 215-685-9027

We remove low-hanging wasp/hornet nests from curbside trees and treat roaches in public sewers. We also respond to reports and questions about other insect problems, and provide insect identification.


Fact Sheets