MDH Maps

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This interactive web map shows pharmacies that have been identified as currently stocking naloxone by the pharmacies’ corporate offices. Those who have been trained under the Overdose Response Program may present their certificate at a participating pharmacy to get naloxone without a prescription under the statewide standing order. Individuals should ask to speak to a pharmacist about naloxone. - This list is updated bi-annually.​

Maryland Radon Data





This interactive web map shows radon levels measured in homes by ZIP code in Maryland from 2005-2016. The U.S. Environmental Protection Agency (EPA) recommends testing all homes for radon, and fixing homes if their levels are higher than 4 picocuries per liter (pCi/L).​

2016 Lead Testing Strategy Projections





2016 Lead Testing Strategy Projections
Use the map to see how Maryland's new lead initiative will test more children aged 1 and 2 years for blood lead level in 2016 than ever before. Learn more about this initiative and lead poisoning prevention in Maryland.

Lead At-Risk ZIP Codes Map





Lead At-Risk ZIP Codes Map
This map shows the 2004 ZIP codes identified as “at-risk”, and they have been mapped here with updated 2012 ZIP code boundaries. Children born before January 1st, 2015 will continue to follow the 2004 Targeting Plan. Children in “at risk” ZIP codes aged 6 years or under should receive blood lead testing.

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The Maryland HEZ Eligibility Map displays the following data for zip codes with a population of 5,000 or more: average life expectancy, average percent of low birth weight infants, average Medicaid enrollment rate, and average WIC participation rate. HEZ is a joint program between DHMH and the Community Health Resource Commission.

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The Maryland HIV Map is an interactive display of HIV rates by county, sex, race, and ethnicity. The HIV rate data are layered with the location of the HIV testing sites.

​​​Maryland Cancer Indicators Mapping Application 

The Maryland Cancer Indicators map displays breast, lung and bronchus, bladder, brain and nervous system, thyroid, lymphoma, leukemia, melanoma, liver, and kidney cancer statistics.


The Maryland CHRC Traditional Grantees Map displays grantees of the Community Health Resources Commission. The map organizes grantees into 8 focus areas of the Commission's past RFPs. Filter the map by jurisdiction for aggregate totals by county. Learn more about grantees in the pop up menu descriptions. 

The Maryland EPHT Network is a statewide surveilance program that is part of a National tracking nework of environment and health data for the public, policy makers, researchers, and agencies. The map displays health data on asthma, birth defects, cancers, carbon monoxide poisonings, childhood blood lead, deaths, heart attacks, and low birth weight and environmental data on community water contaminants, ozone, and PM 2.5.

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The eMedicaid dashboards display Medicaid inpatient, outpatient, and professional services statistics for several diagnostic groups stratified by age group, race, and ethnicity.

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