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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
HIGHS #91 - SYKESVILLE MD1061303 Maryland Transient Non-Community 200
PATAPSCO STATE PARK - AREA D MD1061310 Maryland Transient Non-Community 200
AMOCO GAS STATION HOBBS ROAD MD1221119 Maryland Transient Non-Community 200
COUNTRY FARM STORE 223 AND VALERO GAS MD1221120 Maryland Transient Non-Community 200
HOWARD COUNTY FAIR EXHIBIT HALL 1 MD1131077 Maryland Transient Non-Community 200
DOMINO'S PIZZA MD1021311 Maryland Transient Non-Community 200
HOWARD COUNTY FAIR WASH RACKS- WELL #5 MD1131076 Maryland Transient Non-Community 200
WHITE PLAINS PARK-CONCESSION MD1081162 Maryland Transient Non-Community 200
BAUGHERS MD1061331 Maryland Transient Non-Community 200
CALVARY BAPTIST CHURCH MD1061335 Maryland Transient Non-Community 200
HOWARD COUNTY FAIRGROUNDS - POULTRY BLD MD1131075 Maryland Transient Non-Community 200
ROCKY GAP STATE PARK MD1011051 Maryland Non-Transient Non-Community 200
FINKSBURY PLAZA SHOPPING CENTER MD1061339 Maryland Transient Non-Community 200
7-ELEVEN #25410 MD1021293 Maryland Transient Non-Community 200
CHESTNUT RIDGE GAS & LIQUORS MD1111174 Maryland Transient Non-Community 200
HIGH'S - CLARKSVILLE MD1131015 Maryland Transient Non-Community 200
KENT ISLAND STEVENSVILLE CITGO STATION MD1171087 Maryland Transient Non-Community 200
ANNAPOLIS COUNTRY CLUB MD1021019 Maryland Transient Non-Community 200
AUCTION HOUSE GRILL MD1071368 Maryland Transient Non-Community 200
BOHEMIA BAY YACHT HARBOUR MD1071295 Maryland Transient Non-Community 200
MCDONALDS MD1231059 Maryland Transient Non-Community 200
MCDONALD'S #3874 MD1231060 Maryland Transient Non-Community 200
BENDIX MD1080001 Maryland Non-Transient Non-Community 200
THE NARROWS INC MD1171137 Maryland Transient Non-Community 200
HIGHS #129 MD1071215 Maryland Transient Non-Community 200
KENT MANOR INN MD1171160 Maryland Transient Non-Community 200
FALLSTON REC CENTER(SENIOR ACTIVITY CEN MD1121323 Maryland Transient Non-Community 200
BURGER KING MD1021054 Maryland Transient Non-Community 200
BURGER KING MD1021055 Maryland Transient Non-Community 200
RODNEY SCOUT RESERVATION (3) MD1071166 Maryland Transient Non-Community 200
RODNEY SCOUT RESERVATION (2) MD1071165 Maryland Transient Non-Community 200
RODNEY SCOUT RESERVATION MD1071164 Maryland Transient Non-Community 200
DUCK NECK CAMPGROUND - G SECTION MD1171197 Maryland Transient Non-Community 200
CALVERT CHRISTIAN SCHOOL AND MD0000895 Maryland Community 200
MARYLAND COUNTRY CLUB SNACK BA MD1121073 Maryland Transient Non-Community 200
SUNOCO OF RISING SUN #7249 MD1071122 Maryland Transient Non-Community 200
QUALITY INN / SLEEP INN MD1171218 Maryland Transient Non-Community 200
FRENCHTOWN SWIM & TENNIS CLUB MD1071094 Maryland Transient Non-Community 200
COUNTY LINE DELI MD1131047 Maryland Transient Non-Community 200
CAMP ST CHARLES- KITCHEN (WELL #1) MD1081016 Maryland Transient Non-Community 200
CAPTAIN JOHNS CRABHOUSE MD1081019 Maryland Transient Non-Community 200
HARDEE'S RESTAURANT MD1021136 Maryland Transient Non-Community 200
MID-ATLANTIC COMMUNITY CHURCH MD1021752 Maryland Transient Non-Community 200
EDEN HEAD START MD1190009 Maryland Non-Transient Non-Community 200
HARDEE'S #2635 MD1021137 Maryland Transient Non-Community 200
HOWARD COUNTY FAIR (OFFICE) MD1131050 Maryland Transient Non-Community 200
MOUNTAIN STATE BREWING COMPANY MD1111168 Maryland Transient Non-Community 200
EL AZTECA MD1131054 Maryland Transient Non-Community 200
HOLIDAY INN FRIENDSHIP MD1021149 Maryland Transient Non-Community 200
KENTUCKY FRIED CHICKEN (ONLEY) VA3001427 Maryland Transient Non-Community 200