Mercer County Division of Public Health is home to one of 22 designated agencies for New Jersey Local Information Network Communication System (LINCS) agencies.

Mercer County LINCS Agency works together with state, local and other Mercer County agencies in bioterrorism, public health emergency preparedness, response planning, education and outreach and training.

It performs countywide communicable disease surveillance and disseminates prevention and control information to community partners through the Community Health Alert and Information Network (CHAIN).

The Division provides environmental health services including education, outreach, compliance and enforcement of state laws pertaining to air, noise, solid waste, water, Haz-Mat and school laboratory chemical management compliance assistance program. It is recognized as a lead agency in Mercer County by the New Jersey Department of Environmental Protection (NJDEP) under the County Environmental Health (CEHA) Act.

It is also the lead agency for the Right to Know program by the NJDEP and the New Jersey Department of Health and Senior Services (NJDHSS).