Browse Water Systems

7,795 public water systems in MD.

Public Water Systems Database

Browse 7,795 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
DICKERSON MARKET MD1151011 Maryland Transient Non-Community 510
POTOMAC SPEEDWAY MD1181139 Maryland Transient Non-Community 510
BREN MAR PARK SWIM CLUB MD1121015 Maryland Transient Non-Community 509
BOWENS GROCERY MD1041008 Maryland Transient Non-Community 509
TRIADELPHIA RIDGE ELEMENTARY MD1130027 Maryland Non-Transient Non-Community 507
BURGER KING DUNKIRK MD1041249 Maryland Transient Non-Community 506
CHOPTANK COMMUNITY HEALTH MD1051083 Maryland Transient Non-Community 505
SOUTHDOWN SHORES CORPORATION MD0020036 Maryland Community 504
EMMANUEL BAPTIST CHURCH MD1041120 Maryland Transient Non-Community 504
SYLVAN SHORES SERVICES CO INC MD0002715 Maryland Community 504
SOUTHDOWN SHORES CORPORATION MD0002340 Maryland Community 504
ST. MARKS CHURCH - MULTIPURPOSE MD1121316 Maryland Transient Non-Community 503
HIGHS DAIRY STORE #17 MD1021093 Maryland Transient Non-Community 503
SAINT MARYS FAIRGROUNDS MD1181167 Maryland Transient Non-Community 502
SACRED HEART CHURCH MD1181318 Maryland Transient Non-Community 502
SAINT GEORGES CATHOLIC CHURCH MD1181321 Maryland Transient Non-Community 502
COLLEGE OF SOUTHERN MD - CALVERT CAMPUS MD1040049 Maryland Non-Transient Non-Community 501
FT DETRICK SITE R PA7010049 Maryland Community 501
GUNPOWDER FALLS ST PK CAMP WOOD MD1031274 Maryland Transient Non-Community 501
GUNPOWDER FALLS FREELAND NCR TRAIL MD1031329 Maryland Transient Non-Community 501
PRNC FRED-CALV CO SAN DIST INC MD0002685 Maryland Community 500
SECRETARY MD0002736 Maryland Community 500
RAMBLIN PINES CAMPGROUND MD1061078 Maryland Transient Non-Community 500
HERITAGE OF RANTOUL IL0190080 Maryland Community 500
OCEANPINES MD MARINE UTILITIES MD0002624 Maryland Community 500
WHITE CRYSTAL BEACH MD0002328 Maryland Community 500
POOLESVILLE-COMMISSIONERS MD0002669 Maryland Community 500
SUNDERLAND VILLAGE CENTER MD1040094 Maryland Transient Non-Community 500
LAKESIDE CREAMERY MD1111018 Maryland Transient Non-Community 500
CRYSTAL BEACH MANOR/T&C UTILITY MD0070008 Maryland Community 500
DEERFIELD PLAZA/JAMESWAY PLZA NJ0613310 Maryland Non-Transient Non-Community 500
WINTERPLACE MARKET MD1221172 Maryland Transient Non-Community 500
EASTERN SHORE STATE HOSPITAL MD0002255 Maryland Community 500
HOWARD COUNTY FAIR MAIN EXHIBIT HALL MD1131078 Maryland Transient Non-Community 500
EMMANUEL WESLEYAN CHURCH MD1221180 Maryland Transient Non-Community 500
VILLAGE SHOPPING CENTER PA2660385 Maryland Non-Transient Non-Community 500
KLONDIKE WATER CO MD0002417 Maryland Community 500
PATUXENT RIVER PARK AQUASCO, GIRL SCOUT MD1161228 Maryland Transient Non-Community 500
NANTUCKET POINT(DISTRIBUTION-DELAWARE) MD0230020 Maryland Community 500
FAIRHAVEN PARK-SYKESVILLE BASEBALL MD1061658 Maryland Transient Non-Community 500
UMMC - MIDTOWN CAMPUS ARMORY BUILDING MD1300009 Maryland Non-Transient Non-Community 500
SEVERNA PARK EVANGELICAL PRESBYTERIAN MD1021581 Maryland Transient Non-Community 500
CHRIST UMC MD1221021 Maryland Transient Non-Community 500
CAPITOL RACEWAY, DOUBLE DS DOGS MD1021065 Maryland Transient Non-Community 500
MT AETNA-HIGHLAND VIEW ACADEMY MD0002287 Maryland Community 500
HARFORD CHRISTIAN SCHOOL MD1120017 Maryland Non-Transient Non-Community 500
RIDDLE FARM MD0230019 Maryland Community 500
BOYS VILLAGE CHELTENHAM MD0002268 Maryland Community 500
DOWNS MEMORIAL PARK WELL # 2 MD1021560 Maryland Transient Non-Community 500
SOUTHERN MARYLAND CORRECTIONAL MD0001460 Maryland Community 500