Basic Facts

Photo of a glass of drinking water

Some basic facts concerning Maryland drinking water.

  • Maryland population: 5,884,563
  • Population served by community water systems: 5,057,812
  • Percent served by community water systems: 86%
  • Percent served by individual wells: 14%
  • Number of public water systems: 3,398
  • Number of community water systems: 474
  • Number of non-transient non-community water systems: 544
  • Number of transient non-community water systems: 2,380
  • Number of systems using surface water: 58
  • Number of systems using only groundwater: 3,340

  
*As of 2010

For More Information 
Please contact the Water Supply Program at water.supply@maryland.gov or 410-537-3702​​

Human Trafficking GET HELP

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1-888-373-7888 233733 More Information on human trafficking in Maryland

Customer Service Promise

The State of Maryland pledges to provide constituents, businesses, customers, and stakeholders with friendly and courteous, timely and responsive, accurate and consistent, accessible and convenient, and truthful and transparent services.

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Help Stop Fraud in State Government

The Maryland General Assembly’s Office of Legislative Audits operates a toll-free fraud hotline to receive allegations of fraud and/or abuse of State government resources. Information reported to the hotline in the past has helped to eliminate certain fraudulent activities and protect State resources.

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