Works to prevent the occurrence of infectious diseases. Services include:
- Food-borne illness investigations
- Sanitation referrals to Illinois Department of Public Health
- Septic and water well inspections and permitting
- Tanning facility inspections
- Tattoo and body art facility inspections
- Smoke-Free Illinois inspection and enforcement

Works to prevent the occurrence of infectious diseases. Services include:
- Food-borne illness investigations
- Sanitation referrals to Illinois Department of Public Health
- Septic and water well inspections and permitting
- Tanning facility inspections
- Tattoo and body art facility inspections
- Smoke-Free Illinois inspection and enforcement