Public Water Systems
3,215 active water systems in MD.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| BEACH HARBOR | GRASONVILLE, MD | 481 | 14 | — |
| SOUTHERN CALVERT BAPTIST CHURCH | LUSBY, MD | 480 | 0 | — |
| TOWN OF CECILTON | CECILTON, MD | 477 | 39 | — |
| LOTHIAN ELEMENTARY | PASADENA, MD | 476 | 6 | — |
| OAKVILLE ELEMENTARY SCHOOL | LOVEVILLE, MD | 475 | 23 | Detected |
| B.T.R. HAMPSTEAD (BLACK AND DECKER) | TOWSON, MD | 472 | 46 | — |
| HUNTINGTOWN PROFESSIONAL CENTER, LLC | HUNTINGTOWN, MD | 470 | 36 | — |
| DARNESTOWN SWIM AND RAQUET CLUB | GAITHERSBURG, MD | 470 | 13 | — |
| GLEN MEADOWS RETIREMENT COMMUNITY | GLEN ARM, MD | 468 | 152 | — |
| LIBERTY ELEMENTARY | FREDERICK, MD | 466 | 20 | — |
| HENSON BOY SCOUT RESERVATION | SEAFORD, MD | 465 | 1 | — |
| NORTH HARFORD ELEMENTARY | BEL AIR, MD | 464 | 33 | — |
| PATUXENT PRESBYTERIAN CHURCH | CALIFORNIA, MD | 464 | 0 | — |
| THE CALVERTON SCHOOL | HUNTINGTOWN, MD | 461 | 50 | — |
| MISTY MEADOWS 1 / HIGHLAND HILLS M.H.P. | STREET, MD | 460 | 127 | — |
| TOWN OF VIENNA | VIENNA, MD | 460 | 17 | — |
| PRETTYBOY ELEMENTARY SCHOOL | BALTIMORE, MD | 460 | 8 | — |
| TOWN OF CLEAR SPRING | WILLIAMSPORT, MD | 455 | 20 | — |
| ST. IGNATIUS OF LOYOLA CATHOLIC CHURCH | IJAMSVILLE, MD | 455 | 0 | — |
| PATUXENT MOBILE ESTATES | LOTHIAN, MD | 450 | 24 | — |
| GAITHER MANOR APARTMENTS | SYKESVILLE, MD | 450 | 74 | — |
| ST. ANDREWS SCHOOL | EDGEWATER, MD | 450 | 16 | — |
| DOLLAR GENERAL #13896 | GOODLETTSVILLE, MD | 450 | 10 | — |
| 7-ELEVEN- THURMONT#28960 | DALLAS, MD | 450 | 15 | — |
| BAR T MOUNTAINSIDE | URBANA, MD | 450 | 7 | — |
| CHRISTIAN LIFE CENTER | IJAMSVILLE, MD | 450 | 3 | — |
| ECHO HILL CAMP | WORTON, MD | 450 | 23 | — |
| DYNARD ELEMENTARY SCHOOL | LOVEVILLE, MD | 450 | 19 | — |
| WORCESTER TECHNICAL HS & CO BOE OFFICE | NEWARK, MD | 450 | 39 | — |
| MALCOLM ELEMENTARY SCHOOL | LA PLATA, MD | 446 | 2 | — |
| SOUTHERN MARYLAND CHRISTIAN ACADEMY | LA PLATA, MD | 445 | 32 | — |
| JARRETTSVILLE ELEMENTARY | BEL AIR, MD | 445 | 29 | — |
| CHURCHVILLE ELEMENTARY SCHOOL | BEL AIR, MD | 441 | 26 | — |
| THE BARNESVILLE SCHOOL | BARNESVILLE, MD | 440 | 59 | — |
| CHAPEL DISTRICT ELEMENTARY | EASTON, MD | 440 | 26 | — |
| HARBOR VIEW | NEWARK, MD | 437 | 49 | — |
| SEVENTH DISTRICT ELEMENTARY | BALTIMORE, MD | 437 | 17 | — |
| MOUNT AIRY CHRISTIAN ACADEMY | MOUNT AIRY, MD | 435 | 25 | — |
| CROSS POINT SUBDIVISION | PRINCE FREDERICK, MD | 434 | 3 | — |
| ECHO HILL OUTDOOR SCHOOL | WORTON, MD | 434 | 16 | — |
| QUEEN ANNES REST STOP 301 | CHESTERTOWN, MD | 430 | 2 | — |
| FRONTIERTOWN THEME PARK | OCEAN CITY, MD | 430 | 1 | — |
| ROCKBRIDGE ACADEMY | CROWNSVILLE, MD | 425 | 45 | — |
| YELLOWFIN STEAK AND FISH HOUSE | EDGEWATER, MD | 425 | 3 | — |
| VALLEY INN | LUTHERVILLE, MD | 425 | 0 | — |
| SOUTH CARROLL SWIM CLUB | SYKESVILLE, MD | 425 | 10 | — |
| CAMP PUHTOK FOR BOYS AND GIRLS | MONKTON, MD | 420 | 0 | — |
| SUNNYBROOK | BALTIMORE, MD | 416 | 24 | — |
| ELKRIDGE ESTATES OF ROLAND PARK | TYSONS, MD | 414 | 0 | — |
| METROPOLITAN OF BALTIMORE | TYSONS, MD | 414 | 2 | — |