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Browse Water Systems

7,870 public water systems in MD.

Public Water Systems Database

Browse 7,870 EPA-regulated public water systems with identifiers, population served, and water source type. Use the filters below to narrow results by state, system type, or name.

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System Name PWSID State Type Population Served
EASTON UTILITIES MD0200003 Maryland Community 17,357
TOWN OF ELKTON MD0070011 Maryland Community 15,625
CHAPEL HILL - ABERDEEN PROVING GROUNDS MD0120002 Maryland Community 15,000
CITY OF CAMBRIDGE WATER MD0090002 Maryland Community 15,000
CITY OF HAVRE DE GRACE MD0120012 Maryland Community 14,000
MSA-ORIOLE PARK/NORTH & SOUTH WAREHOUSES MD1300004 Maryland Non-Transient Non-Community 12,864
ABERDEEN COMMISSIONERS MD0002179 Maryland Community 12,375
MD CITY MD0020021 Maryland Community 12,000
OCEAN PINES MD0230005 Maryland Community 11,890
TOWN OF LA PLATA MD0080025 Maryland Community 11,535
ABERDEEN PROV GRDS % US ARMY MD0002848 Maryland Community 11,000
KINGS HEIGHTS-ANNE ARUNDEL CO MD0002435 Maryland Community 10,884
BEL AIR MD0002215 Maryland Community 10,200
ANNE ARUNDEL CO DPW AMBERLY MD0002902 Maryland Community 10,000
LEXINGTON PK-ST MARYS CNTY MET MD0002533 Maryland Community 10,000
LAVALE SANITARY COMMISSION MD0002528 Maryland Community 10,000
HAVRE DE GRACE MUN UTIL COMM MD0002471 Maryland Community 10,000
TOWN OF MOUNT AIRY MD0060007 Maryland Community 9,890
CHESAPEAKE RANCH ESTATES MD0040004 Maryland Community 9,500
WALDORF MD0080050 Maryland Community 9,357
WALDORF SANITARY DISTRICT MD0002797 Maryland Community 9,357
CROFTON-ANNE ARUNDEL CO MD0002433 Maryland Community 9,200
CROFTON MEADOWS MD0000083 Maryland Community 9,200
STEVENSVILLE MD0170019 Maryland Community 9,155
FROSTBURG MD0002408 Maryland Community 9,000
U.S. NAVAL ACADEMY MD0020042 Maryland Community 8,700
TOWN OF NORTH EAST MD0070016 Maryland Community 8,600
KING HEIGHTS-ANNE ARUNDEL DPW MD0020018 Maryland Community 8,600
CROFTON-ANNE ARUNDEL DPW MD0020007 Maryland Community 8,600
ELKTON MD0002343 Maryland Community 8,500
TOWN OF WALKERSVILLE MD0100025 Maryland Community 8,440
JOPPATOWNE UTILITIES CORP MD0002505 Maryland Community 8,061
ANDREWS AIR FORCE BASE MD0160019 Maryland Community 8,000
FORT DETRICK MD0100011 Maryland Community 7,900
EASTON UTILITIES COMMISSION MD0002333 Maryland Community 7,800
WESTMINSTER MD0002821 Maryland Community 7,500
FREEDOM DIST-CARROLL CO SAN CO MD0002814 Maryland Community 7,500
CITY OF BRUNSWICK MD0100005 Maryland Community 7,312
ALL PURE SPRING WATER, INC. PA9996259 Maryland Community 7,000
CITY OF TANEYTOWN MD0060012 Maryland Community 6,750
PERRYMAN MD0002220 Maryland Community 6,696
TOWN OF HAMPSTEAD MD0060003 Maryland Community 6,600
MARYLAND HOUSE OF CORRECTION MD0020022 Maryland Community 6,500
SPRINGFIELD STATE HOSPITAL MD0002772 Maryland Community 6,500
MARYLAND HOUSE OF CORRECTION MD0002500 Maryland Community 6,500
BRYANS ROAD MD0080033 Maryland Community 6,260
TOWN OF THURMONT MD0100023 Maryland Community 6,200
TOWN OF POOLESVILLE MD0150002 Maryland Community 6,005
EDGEWOOD ARSENAL MD0000024 Maryland Community 6,000
MYSTIC HARBOUR MD0230011 Maryland Community 5,945