Important Phone Numbers

Effective January 1, 2011

Exposure to Rabies, or incidence of other communicable/ infectious disease outbreaks or emergency* Monday through Friday
8:00 a.m. – 4:30 p.m.
After hours, weekends and holidays 240-508-5774
Fire, loss of water, or sewage overflow in any food service facility Monday through Friday, 7:30 a.m. – 4:00 p.m. 301-883-7690
After hours, weekends and holidays 240-508-5868
Improper disposal of special medical waste Monday through Friday
7:30 a.m. – 4:00 p.m.
After hours, weekends and holidays 240-508-5868
Well water or septic system problems (lack of water or back-up) in private residences and commercial businesses Monday through Friday
7:30 a.m. – 4:00 p.m.
After hours, weekends and holidays 240-508-5868
General information operator Monday through Friday 301-883-7879
General information message After hours, weekends and holidays
TDD/STS via Maryland Relay Monday through Friday, after hours,
weekends and holidays
Dial 711

* Incidence of Reportable Communicable Diseases and Conditions

Report the Following by Phone Immediately

Animal bites Meningococcal, Invasive disease
Anthrax Pertussis
Arboviral infection Plague
Botulism Poliomyelitis
Brucellosis Q Fever
Cholera Rabies (human)
Diphtheria Ricin toxin poisoning
Epsilon toxin of Clostridium perfringens Rubella (German Measles) and Congenital Rubella syndrome
Ecoli 0157:H7 infection SARS (Severe Acute Respiratory Syndrome)
Glanders Shiga-like toxin producing enteric bacterial infection
Haemophilus influenzae, invasive disease Smallpox and other Orthopoxvirus infections
Hanta Virus Staphylococcal enterotoxin B poisoning
Hepatitis A Tuberculosis and suspected tuberculosis
Influenza: novel influenza A virus infection Tularemia
Legionellosis Typhoid fever (Salmonella typhi case, carrier or both)
Measles (Rubeola) Viral hemorrhagic fevers (all types)

Incidence of Disease Outbreaks and Other Unusual Health Conditions

  • Gastroenteritis outbreak of any apparent infectious etiology
  • Unusual temporal or geographical clusters of illness (e.g., persons attending the same public event or gathering)
  • Pneumonia with a sudden demise in a previously healthy adult
  • Widened mediastinum in a febrile patient with no other known cause (suspicious of anthrax)
  • Rash of synchronous vesicular/pustular lesions (suspicious of smallpox)
  • Acute neurological illness with fever (e.g., meningitis, encephalitis, etc.)
  • Cranial nerve impairment with weakness, flaccid muscle paralysis (suspicious of botulism)