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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
MOUNT AVIAT ACADEMY MD1070024 Maryland Non-Transient Non-Community 310
ARCTIC CIRCLE DRIVE-IN MD1121004 Maryland Transient Non-Community 310
IDLEWOOD MOBILE HOME PARK MD0002828 Maryland Community 309
DUNKIN DONUT MD1031416 Maryland Transient Non-Community 308
HILLANDALE MOBILE HOME PK MD0002386 Maryland Community 308
DUBLIN ELEMENTARY SCHOOL MD1120007 Maryland Non-Transient Non-Community 308
OUR LADY OF THE CHESAPEAKE MD1021575 Maryland Transient Non-Community 308
FAIRVIEW LIBRARY MD1041098 Maryland Transient Non-Community 308
WAWA MECHANICSVILLE #583 MD1181343 Maryland Transient Non-Community 308
THE FILL'ER UP/ MARYLAND LINE SERVICE CT MD1031231 Maryland Transient Non-Community 308
RUNNING HARES VINYARD MD1041267 Maryland Transient Non-Community 308
SCHOOLEY MILL PARK MD1131056 Maryland Transient Non-Community 307
BELLE GROVE GROCERY MD1011006 Maryland Transient Non-Community 307
WASHINGTON MONUMENT ST PK RANGER STA MD1211072 Maryland Transient Non-Community 306
MASON DIXON DRAGWAY MD1211048 Maryland Transient Non-Community 305
GUNPOWDER FALLS ST PK HART-MILLER ISLAND MD1031288 Maryland Transient Non-Community 305
ANDOVER RECREATIOM CENTER MD1021017 Maryland Transient Non-Community 305
SOUTH SHORE ELEMENTARY MD1020027 Maryland Non-Transient Non-Community 305
WALGREENS #19144 MD1121266 Maryland Transient Non-Community 304
GREENWELL STATE PARK MD1181252 Maryland Transient Non-Community 304
LAKE SHORE BAPTIST CHURCH MD1021535 Maryland Transient Non-Community 304
MAYO BEACH PARK MD1021573 Maryland Transient Non-Community 304
POINT LOOKOUT STATE PARK SOUTH MD1181137 Maryland Transient Non-Community 304
SEWELL FUNERAL HOME MD1041191 Maryland Transient Non-Community 304
HARFORD DAY SCHOOL MD1120050 Maryland Non-Transient Non-Community 303
PEN MAR PARK MD1211058 Maryland Transient Non-Community 303
FAITH BIBLE CHURCH MD1181286 Maryland Transient Non-Community 303
BROADCREEK CAMP SAFFRAN MD1121247 Maryland Transient Non-Community 302
CHAPTICO PARK MD1181352 Maryland Transient Non-Community 301
FIFTH DISTRICT ELEMENTARY MD1030013 Maryland Non-Transient Non-Community 301
FRIENDSHIP UNITED METHODIST CHURCH MD1021595 Maryland Transient Non-Community 301
CECIL PARK CONCESSION STAND MD1181330 Maryland Transient Non-Community 301
DORSEY PARK CONCESSION STAND MD1181332 Maryland Transient Non-Community 301
CARROLL COUNTY SPORTS COMPLEX MD1061185 Maryland Transient Non-Community 300
WASHINGTON MONUMENT STATE PARK-PICNIC MD1211190 Maryland Transient Non-Community 300
SACRED HEART CHURCH MD1161080 Maryland Transient Non-Community 300
WHITE CRYSTAL BEACH MD0000064 Maryland Community 300
MCDONALD'S # 4541 MD1181109 Maryland Transient Non-Community 300
INDIAN HEAD MANOR-POMONK UTIL MD0002246 Maryland Community 300
HALLOWING POINT PARK FOOD MD1041015 Maryland Transient Non-Community 300
BRETON BAY-CHERRY COVE WATER C MD0002530 Maryland Community 300
`7 11 STORE MD1121101 Maryland Transient Non-Community 300
TOWN OF ACCIDENT MD0110001 Maryland Community 300
KEMPTOWN ELEMENTARY MD1000013 Maryland Non-Transient Non-Community 300
NEW MARKET ELEMENTARY MD1000022 Maryland Non-Transient Non-Community 300
CLARKSVILLE LDS CHURCH MD1131324 Maryland Transient Non-Community 300
BENEDICTINE SCHOOL MD0050201 Maryland Community 300
CEDAR MOBILE HOME PARK MD0050205 Maryland Community 300
PHEASANT RIDGE ESTATES MD0060210 Maryland Community 300
PINEY RUN PARK NATURE CENTER MD1061252 Maryland Transient Non-Community 300