Public Water Systems
3,215 active water systems in MD.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| MOUNTAINDALE CONVENIENCE STORE # 2 | FREDERICK, MD | 812 | 0 | — |
| ROYAL FARM STORE #1 | BALTIMORE, MD | 812 | 0 | — |
| MARYLAND MANOR MOBILE HOME PARK | LOTHIAN, MD | 810 | 19 | — |
| ROYAL FARMS STORE #32 | BALTIMORE, MD | 809 | 0 | — |
| DUNKIN DONUTS | EDGEWATER, MD | 808 | 2 | — |
| CALVERT COUNTY FAIRGROUND | PRINCE FREDERICK, MD | 807 | 16 | — |
| ROYAL FARMS #62 | BALTIMORE, MD | 806 | 2 | — |
| SEVEN ELEVEN # 21067 CHARLOTTE HALL | CHARLOTTE HALL, MD | 805 | 0 | — |
| POINT LOOKOUT STATE PARK NORTH | HOLLYWOOD, MD | 803 | 0 | — |
| DOLLAR GENERAL (NO. 14630) | LOTHIAN, MD | 800 | 1 | — |
| KAISER PERMANENTE SOUTH BALTIMORE | HALETHORPE, MD | 800 | 0 | — |
| LINKS AT CHALLEDON | POTOMAC, MD | 800 | 2 | — |
| SEVEN-ELEVEN - HAMPSTEAD | BALTIMORE, MD | 800 | 3 | — |
| HOOPERS RESTAURANT | MD | 800 | 1 | — |
| ST. MARYS BRYANTOWN CATHOLIC SCHOOL | BRYANTOWN, MD | 791 | 20 | — |
| SWALLOW FALLS STATE PARK | GRANTSVILLE, MD | 791 | 0 | — |
| CEDARVILLE MOBILE HOME PARK | BRANDYWINE, MD | 780 | 24 | — |
| MARY MILLER LLC | MYERSVILLE, MD | 780 | 0 | — |
| HIGHS OF FULTON | FULTON, MD | 758 | 0 | — |
| LYONS CREEK ESTATES | LOTHIAN, MD | 750 | 25 | — |
| TOWN OF PRESTON | PRESTON, MD | 750 | 43 | — |
| FAIRMOUNT | PRINCESS ANNE, MD | 750 | 20 | — |
| SALISBURY CHRISTIAN SCHOOL | SALISBURY, MD | 750 | 30 | — |
| SOUTHERN MIDDLE SCHOOL | PRINCE FREDERICK, MD | 745 | 22 | — |
| CLIFFTON ON THE POTOMAC | LA PLATA, MD | 744 | 22 | — |
| MCDONALDS OF LISBON | BALTIMORE, MD | 735 | 14 | — |
| MARDELA MIDDLE/HIGH SCHOOL | SALISBURY, MD | 735 | 20 | — |
| HAGERSTOWN SPEEDWAY | HAGERSTOWN, MD | 732 | 4 | — |
| TOWN OF OXFORD | OXFORD, MD | 726 | 40 | — |
| RISING SUN ELEMENTARY | ELKTON, MD | 726 | 14 | — |
| PORT DEPOSIT | NEWARK, MD | 725 | 67 | — |
| FAIRLEE | CHESTERTOWN, MD | 725 | 47 | — |
| BUTTONWOOD BEACH RV RESORT | EARLEVILLE, MD | 725 | 22 | — |
| PICCOWAXEN MIDDLE SCHOOL | LA PLATA, MD | 722 | 1 | — |
| RUNWAY LIQUORS | EASTON, MD | 720 | 9 | — |
| DUNKIN GAMBRILLS | ANNAPOLIS, MD | 718 | 0 | — |
| HUNTING QUARTERS | CALIFORNIA, MD | 715 | 6 | — |
| SAVORY DELI AND MARKET | FOREST HILL, MD | 714 | 2 | — |
| HARFORD COMMUNITY COLLEGE | BEL AIR, MD | 713 | 55 | — |
| LOWER SHORE TOURISM CENTER | SNOW HILL, MD | 713 | 18 | — |
| ROYAL FARMS STORE #56 | MD | 708 | 8 | — |
| MT. HARMONY ELEMENTARY SCHOOL | PRINCE FREDERICK, MD | 706 | 19 | — |
| TOWN OF QUEENSTOWN | QUEENSTOWN, MD | 705 | 72 | — |
| HARRIET ELIZABETH BROWN COMMUNITY CENTER | PRINCE FREDERICK, MD | 700 | 0 | — |
| WINFIELD ELEMENTARY | WESTMINSTER, MD | 700 | 14 | — |
| RUNNYMEDE ELEMENTARY | WESTMINSTER, MD | 700 | 8 | — |
| PATAPSCO STATE PARK ( MCKELDIN A) | ELLICOTT CITY, MD | 700 | 0 | — |
| JIFFY MART FINKSBURG | ELLICOTT CITY, MD | 700 | 2 | — |
| NORTHROP GRUMMAN SYSTEMS CORPORATION | ELKTON, MD | 700 | 25 | — |
| RODNEY SCOUT CAMP | WILMINGTON, MD | 700 | 25 | — |