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MPHL : envirmicro

DHMH Laboratories Administration Environmental Microbiology Division:

The goal of the Division of Environmental Microbiology is to protect Maryland’s food and drinking water supply. The Laboratory monitors the presence indicator microorganisms and water-borne and food-borne pathogens.
  • Drinking water
  • Swimming pools and natural bathing areas
  • Sewage plants and effluents
  • Foods, shellfish and dairy products
  • Bioterrorism testing and biotoxin surveillance




  • Fax:
  • 410-767-5500
Dairy Microbiology:
Water Microbiology
Food/Shellfish Microbiology
Preperation Lab