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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 provide information about mice, roaches, ticks, fleas, and other pests.

Rat Complaint Line: 215-685-9000


We investigate and control mosquitoes that can transmit diseases like 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: 215-685-9000


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