Public Water Systems
3,215 active water systems in MD.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| ROLLING ACRES | CALIFORNIA, MD | 699 | 5 | — |
| ST MICHAELS CATHOLIC CHURCH | MOUNT AIRY, MD | 697 | 6 | — |
| PROSPECT MILL ELEMENTARY | BEL AIR, MD | 691 | 130 | — |
| MOUNT AETNA | HAGERSTOWN, MD | 688 | 8 | — |
| MARTINGHAM UTILITIES COOPERATIVE | ST. MICHAELS, MD | 675 | 20 | — |
| CALVERT MIDDLE SCHOOL | PRINCE FREDERICK, MD | 675 | 13 | — |
| TOWN OF CHESAPEAKE CITY [FORMERLY SOUTH] | CHESAPEAKE CITY, MD | 673 | 38 | — |
| PINEY POINT | CALIFORNIA, MD | 672 | 9 | Clean |
| GLENWOOD LIBRARY | COLUMBIA, MD | 671 | 0 | — |
| CATOCTIN MOUNTAIN NAT. PARK-MISTY MOUNT | THURMONT, MD | 668 | 1 | — |
| FOLLY QUARTER MIDDLE SCHOOL | ELLICOTT CITY, MD | 667 | 10 | — |
| MOUNT SAVAGE SCHOOL | CUMBERLAND, MD | 665 | 6 | — |
| PINEY POINT ELEMENTARY SCHOOL | LOVEVILLE, MD | 665 | 26 | — |
| BOONES MOBILE ESTATES | LOTHIAN, MD | 650 | 18 | — |
| DAVIDSONVILLE ELEMENTARY | PASADENA, MD | 650 | 12 | — |
| SANDYMOUNT ELEMENTARY | WESTMINSTER, MD | 650 | 13 | — |
| LETTIE MARSHALL DENT ELEMENTARY | LOVEVILLE, MD | 650 | 28 | — |
| EAST COAST FUEL, LLC | HEBRON, MD | 650 | 55 | — |
| PATUXENT ELEMENTARY SCHOOL | PRINCE FREDERICK, MD | 637 | 13 | — |
| FOREST HILL ELEMENTARY SCHOOL | BEL AIR, MD | 637 | 31 | — |
| BAYSHORE CAMPGROUND | ROCK HALL, MD | 636 | 16 | — |
| TOWN OF MILLINGTON | MILLINGTON, MD | 625 | 12 | Clean |
| TOWN OF SHARPTOWN | SHARPTOWN, MD | 625 | 101 | — |
| CHESAPEAKE CHRISTIAN FELLOWSHIP | DAVIDSONVILLE, MD | 625 | 2 | — |
| FRONTIERTOWN- COMMUNITY CTR + SW SITES | SOUTHFIELD, MD | 624 | 0 | — |
| KEMPTOWN ELEMENTARY | FREDERICK, MD | 623 | 31 | — |
| TOWN OF FRIENDSVILLE | OAKLAND, MD | 622 | 15 | — |
| ST. CLEMENTS SHORES | CALIFORNIA, MD | 620 | 7 | — |
| FRONTIERTOWN LAZY RIVER BATHHOUSE | BERLIN, MD | 620 | 8 | — |
| JACKSONVILLE ELEMENTARY | BALTIMORE, MD | 618 | 6 | — |
| FRONTIERTOWN BATHHOUSE # 3 | BERLIN, MD | 618 | 3 | — |
| FRONTIERTOWN BATHHOUSE # 1 | BERLIN, MD | 618 | 4 | — |
| THE SHOPPES AT WAYSONS CORNER | LOTHIAN, MD | 615 | 0 | — |
| PLUM POINT ELEMENTARY SCHOOL | PRINCE FREDERICK, MD | 615 | 9 | — |
| TOWN CENTER AMOCO | EDGEWATER, MD | 615 | 17 | — |
| CHARLOTTE HALL | CALIFORNIA, MD | 615 | 10 | — |
| HUNTERS BROOKE/FALCON RIDGE SUBD | LA PLATA, MD | 614 | 7 | — |
| IMMACULATE CONCEPTION ROMAN CATH CHUR | MECHANICSVILLE, MD | 614 | 5 | — |
| FALLSTON LIBRARY | BELCAMP, MD | 610 | 8 | — |
| HUNTINGTOWN ELEMENTARY SCHOOL | PRINCE FREDERICK, MD | 609 | 18 | — |
| T.C. MARTIN ELEMENTARY SCHOOL | LA PLATA, MD | 609 | 0 | — |
| SHORE STOP #219 | WINSTON-SALEM, MD | 609 | 14 | — |
| HOLY FAMILY CATH. CHURCH | DAVIDSONVILLE, MD | 607 | 4 | — |
| MARDELA GOOSE CREEK INC | MARDELA SPRINGS, MD | 607 | 5 | — |
| DASH IN OWINGS | LA PLATA, MD | 606 | 16 | — |
| JEFFERSON MARKET | FINKSBURG, MD | 606 | 13 | — |
| CAMP LOUISE | BALTIMORE, MD | 606 | 0 | — |
| ELK NECK ELEMENTARY | ELKTON, MD | 605 | 11 | — |
| HIGHS #1 - WHITEFORD | WHITE HALL, MD | 605 | 1 | — |
| U5 FOODS - BETHLEHEM | PRESTON, MD | 604 | 14 | — |