Calvert County Health Department

Local (410) 535-5400, DC Metro (301) 855-1353, Annapolis (410) 269-2216

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Ticks & Lyme Disease

Lyme Disease in Calvert County

Lyme disease is the most common tick-borne disease in Calvert County as well as in Maryland and the United States. Cases of Lyme disease are found throughout the county and are not concentrated in any particular area. Lyme disease is caused by a bacterium Borellia burgdorferi.

Lyme disease is caused by the bite of a deer tick, infected with Lyme disease bacteria. The tick is hard to see because of its small size, about the size of a pinhead.
> Learn More

2013 Annual Drinking Water Quality ReportThe Calvert County Water and Sewerage Division is pleased to present the 2013 Drinking Water Quality Report for the County operated water systems. The Safe Drinking Water Act (SDWA) requires that water utilities issue an annual Customer Confidence Report (CCR) to customers in addition to other notices that may be required by law. This report details where the water comes from, what it contains, and the risks our water testing and treatment are designed to prevent. > Read More

Consumer Confidence Reports for Calvert County

Public Health Updates

Awareness Walk

Walk for the Awareness of Sexual Assault & Healthy Relationships in Calvert County
April 18, 2015 at 1:00 pm. Registration is required. Sponsored in part by the Crisis Intervention Center and Calvert County Commission for Women
> More Info


Rabies Prevention
Rabies is a deadly disease that can be transmitted from an animal infected with rabies to unvaccinated pets and to people.  If untreated, rabies is almost always fatal.  Rabies is known to exist in all counties in Maryland. ... > More Info

Maryland Healthy Business

Southern Maryland Healthy Business Workshop
⇒ Do you know if you are getting the most value from yourhealth care dollars?
⇒ Do you have a clear picture of the health of your
workforce and its impact on your health care costs? April 24, 2015 8:30 am – 12:00 pm ... > More Info


What You Need to Know about Ebola
The Health Department will continue to post updates on important changes in Ebola response as needed. Our staff takes to heart the importance of protecting the wellbeing of our citizens. We are happy to answer any questions you may have. ... > More Info


  • April - Distracted Driving Awareness Month
  • April 24, 2015
    Southern Maryland Healthy Business Workshop
    8:30 am – 12:00 pm
    8440 Old Leonardtown Road
    Suite 211 Hughesville
    Registration Required > More Info
  • April 25, 2015
    Free Rabies Clinic
    10:00 am – 12:00 pm
    Patuxent High School
    Please Vaccinate all Pets!
    > More Info
  • April 25, 2015
    Free Community Resources Fair
    11:00 am – 3:00 pm
    Yardley Hills Community Center
    > More Info

          Hours of Operation:
    Monday – Friday (excluding     holidays) 8:00 am – 5:00 pm.     Community Health clinics end
    at 4:30 pm. In case of inclement     weather, please call

    For After Hours Public Health     Emergencies Contact the Control     Center at: 410-535-3491 facebook
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975 Solomons Island Road North, PO Box 980, Prince Frederick, MD 20678 | (410) 535-5400 | Fax: (410) 535-5285
Crisis Hotline (410) 535-1121 • (301) 855-1075
© Calvert County Health Department