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​​