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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
URBANA HIGH SCHOOL MD1100050 Maryland Non-Transient Non-Community 1,374
TOWN OF SHARPSBURG MD0210017 Maryland Community 1,360
CROWNSVILLE HOSPITAL CENTER MD0020009 Maryland Community 1,348
NORTH HARFORD HIGH SCHOOL MD1120029 Maryland Non-Transient Non-Community 1,346
WILLOW RUN MD0180025 Maryland Community 1,325
PEGGS ROAD MD0180028 Maryland Community 1,325
COLONY SQUARE MD0180026 Maryland Community 1,325
BANK SQUARE MD0180027 Maryland Community 1,325
HIGHS OF COOKSVILLE MD1131091 Maryland Transient Non-Community 1,321
STEVENSON UNIVERSITY MD1030042 Maryland Non-Transient Non-Community 1,313
UM CAPITAL REGION MEDICAL CENTER MD1160050 Maryland Non-Transient Non-Community 1,309
LAUREL BRANCH MD0080060 Maryland Community 1,305
HEREFORD HIGH SCHOOL MD1030017 Maryland Non-Transient Non-Community 1,300
TOWN OF FUNKSTOWN DISTRIBUTION SYSTEM MD0210008 Maryland Community 1,300
GREAT MILLS HIGH SCH.(CONNECT) MD1180013 Maryland Non-Transient Non-Community 1,284
WICOMICO SHORES MD0180018 Maryland Community 1,262
SOUTH CARROLL HIGH SCHOOL MD1060040 Maryland Non-Transient Non-Community 1,250
MIDDLETOWN MD0002571 Maryland Community 1,250
FAIRLAND CROSSING APARTMENTS MD0150102 Maryland Community 1,248
FORK CHRISTIAN CHURCH MD1031263 Maryland Transient Non-Community 1,245
LONG BEACH WATER CO MD0002720 Maryland Community 1,244
SCHUCKS CORNER SHEETZ MD1121364 Maryland Transient Non-Community 1,233
MCDONALDS MD1121193 Maryland Transient Non-Community 1,230
COLLEGE OF SOUTHERN MD - MAIN CAMPUS MD1080038 Maryland Non-Transient Non-Community 1,220
ROCK HALL COMMISSIONERS MD0002716 Maryland Community 1,200
DAVID TAYLOR RESEA DEV CTR MD0002871 Maryland Community 1,200
FUNKSTOWN MAYOR & COUNCIL MD0002423 Maryland Community 1,200
BLUE RIDGE SUMMIT HIGHFIELD WA MD0000044 Maryland Community 1,200
SHERWOOD FOREST WATER COMPANY MD0020035 Maryland Community 1,200
GREENSBORO MD0002451 Maryland Community 1,200
SYKESVILLE MD0002820 Maryland Community 1,200
WEBSTER FIELD ANNEX, ST INIGOES (NAVFAC) MD0180024 Maryland Non-Transient Non-Community 1,200
GREENRIDGE UTILITIES INC MD0002217 Maryland Community 1,200
BLUE RIDGE SUMMIT HIGHFIELD W MD0002237 Maryland Community 1,200
SOLOMONS RECREATION CENTER (NAVFAC-WASH) MD0040023 Maryland Non-Transient Non-Community 1,200
LEONARDTOWN MIDDLE SCHOOL & FORREST TECH MD1180026 Maryland Non-Transient Non-Community 1,200
ECKHART WATER CO MD0002337 Maryland Community 1,200
MEADOWVIEW UTILITIES CO PRELL MD0002350 Maryland Community 1,200
PASADENA WATER COMPANY MD0020025 Maryland Community 1,196
NEW MARKET MIDDLE SCHOOL MD1100023 Maryland Non-Transient Non-Community 1,196
PASADENA WATER COMPANY MD0002648 Maryland Community 1,196
CHESAPEAKE HEIGHTS (BAYSIDE FOREST) MD0040018 Maryland Community 1,190
HENRY E. LACKEY HIGH SCHOOL MD1080015 Maryland Non-Transient Non-Community 1,187
HARFORD TECHNICAL HIGH SCHOOL MD1120035 Maryland Non-Transient Non-Community 1,187
ROYAL FARMS #135 MD1051086 Maryland Transient Non-Community 1,178
YOUTHS BENEFIT ELEMENTARY SCHOOL MD1120037 Maryland Non-Transient Non-Community 1,175
GREENBRIER MD0180045 Maryland Community 1,161
SOUTHERN MIDDLE SCHOOL MD1020029 Maryland Non-Transient Non-Community 1,150
HURLOCK MD0002484 Maryland Community 1,150
GREENBRIER STATE PARK MD1211034 Maryland Transient Non-Community 1,150