Browse Water Systems

7,874 public water systems in MD.

Public Water Systems Database

Browse 7,874 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
SMITHSBURG MAYOR AND COUNCIL MD0002750 Maryland Community 1,000
LUKE-WESTVACO MD0002550 Maryland Community 1,000
ALLEGANY SAN COMM MD0010044 Maryland Community 1,000
ST MARYS COLLEGE MD0002722 Maryland Community 1,000
BETTERTON MD0002233 Maryland Community 1,000
LAUREL RACE COURSE MD1021358 Maryland Transient Non-Community 1,000
NEWS QUICKIE MART MD1011044 Maryland Transient Non-Community 1,000
OREGON RIDGE PARK LODGE MD1031121 Maryland Transient Non-Community 1,000
DUNKIN DONUTS MD1061347 Maryland Transient Non-Community 1,000
TOWN OF UNION BRIDGE MD0060013 Maryland Community 997
CATHARPIN SQUARE VA6153011 Maryland Transient Non-Community 968
CHERRY HILL MIDDLE & KENMORE ELEMENTARY MD1070010 Maryland Non-Transient Non-Community 964
HAMPSTEAD MD0002463 Maryland Community 961
RISING SUN MD0002711 Maryland Community 956
WORTON MD0140007 Maryland Community 955
CAMBRIDGE FARMS MD0100033 Maryland Community 953
JOHNS HOPKINS BAYVIEW MEDICAL CENTER MD1300008 Maryland Non-Transient Non-Community 950
INTERSTATE SHELL (TOANO) VA3095425 Maryland Transient Non-Community 950
TOWN & COUNTRY MOBILE HOME PARK MD0070235 Maryland Community 950
GLENELG COUNTRY SCHOOL MD1130003 Maryland Non-Transient Non-Community 950
SWAN POINT MD0080046 Maryland Community 945
BAIS YAAKOV SCHOOL FOR GIRLS MD1030002 Maryland Non-Transient Non-Community 940
ROYAL FARMS #253- PORT ROYAL VA6033615 Maryland Transient Non-Community 918
MOLLYS MD1141111 Maryland Transient Non-Community 915
PROSPECT BAY MD0170009 Maryland Community 913
MCDONOUGH SCHOOL MD0030006 Maryland Community 913
MCDONOUGH SCHOOL MD0002553 Maryland Community 913
SEVEN-ELEVEN #22281 MD1121256 Maryland Transient Non-Community 908
DUNKIN DONUTS -JEFFERSON MD1101377 Maryland Transient Non-Community 908
HIGHS OF BALTIMORE MD1211199 Maryland Transient Non-Community 906
WYE MILLS MARKET MD1201059 Maryland Transient Non-Community 903
WAYSONS MOBILE HOME PARK MD0002548 Maryland Community 900
CALVERT COUNTRY & CALVERT ELEMENTARY MD1040012 Maryland Non-Transient Non-Community 900
ROYAL FARMS #113 MD1061317 Maryland Transient Non-Community 900
PORT DEPOSIT MAYOR AND COUNCIL MD0002670 Maryland Community 900
HOLIDAY MOBILE ESTATES, INC. MD0020211 Maryland Community 900
FOUR SEASONS SPORTS COMPLEX MD1061091 Maryland Transient Non-Community 900
SOUTH MOUNTAIN REST AREA-WESTBOUND MD1101264 Maryland Transient Non-Community 900
BEANTOWN TEXACO FOOD -DASH IN MD1081164 Maryland Transient Non-Community 900
SHARPTOWN MAYOR AND TOWN COUNC MD0002744 Maryland Community 900
RIDGELY COMMISSIONERS MD0002709 Maryland Community 900
BADEN GROCERY BUILDING MD1161009 Maryland Transient Non-Community 900
MUTUAL ELEMENTARY SCHOOL MD1040032 Maryland Non-Transient Non-Community 894
LORD CALVERT TRAILER PARK MD0180213 Maryland Community 892
CLOVERHILL 3 - CONSECUTIVE TO MD0100015 MD0100031 Maryland Community 888
TOWN OF GRANTSVILLE MD0110005 Maryland Community 885
WALLBANGERS AND HARBORSIDE MD1231110 Maryland Transient Non-Community 885
PLUM POINT MIDDLE SCHOOL MD1040065 Maryland Non-Transient Non-Community 881
CONOWINGO ELEMENTARY MD1070011 Maryland Non-Transient Non-Community 874
STELLA MARIS MD0030212 Maryland Community 873