Basic Facts

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​​