Public Water Systems
3,215 active public water systems in MD, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| ROYAL FARMS STORE | BALTIMORE, MD | 1,015 | 0 | — |
| AC AND T AND CLASSIC FUELS, LLC | FAIR PLAY, MD | 1,015 | 2 | — |
| BRETON BAY | CALIFORNIA, MD | 1,012 | 8 | — |
| FASTOP #54 | DUNKIRK, MD | 1,010 | 22 | — |
| WELCOME CENTER (NEWBURG) | LAPLATA, MD | 1,004 | 10 | — |
| OREGON RIDGE PARK LODGE | COCKEYSVILLE, MD | 1,003 | 3 | — |
| GUNPOWDER FALLS ST PK SPARKS NATURE CTR | MONKTON, MD | 1,001 | 0 | — |
| GUNPOWDER FALLS ST PK MONKTON STATION | MONKTON, MD | 1,001 | 0 | — |
| GUNPOWDER FALLS STATE PARK PAPER MILL | MONKTON, MD | 1,001 | 0 | — |
| CHESAPEAKE COLLEGE | WYE MILLS, MD | 1,001 | 15 | — |
| DUNKIN DONUTS | FINKSBURY, MD | 1,000 | 0 | — |
| CROSSROADS CHURCH | OAKLAND, MD | 1,000 | 0 | — |
| TOWN OF UNION BRIDGE | UNION BRIDGE, MD | 997 | 26 | — |
| WORTON | CHESTERTOWN, MD | 955 | 7 | — |
| PINE HILLS | NEWARK, MD | 953 | 23 | — |
| CAMBRIDGE FARMS | FREDERICK, MD | 953 | 0 | — |
| TOWN & COUNTRY MOBILE HOME PARK | NORTH EAST, MD | 950 | 27 | — |
| GLENELG COUNTRY SCHOOL | ELLICOTT CITY, MD | 950 | 65 | Detected |
| JOHNS HOPKINS BAYVIEW MEDICAL CENTER | BALTIMORE, MD | 950 | 0 | — |
| SWAN POINT | LA PLATA, MD | 945 | 11 | — |
| BAIS YAAKOV SCHOOL FOR GIRLS | BALTIMORE, MD | 940 | 102 | — |
| WAWA # 595 | WAWA, MD | 920 | 5 | — |
| MOLLYS | KENNEDYVILLE, MD | 915 | 2 | — |
| PROSPECT BAY | STEVENSVILLE, MD | 913 | 20 | — |
| SHEETZ INC #209 | ALTOONA, MD | 911 | 0 | — |
| DUNKIN DONUTS -JEFFERSON | DAMASCUS, MD | 908 | 0 | — |
| SEVEN-ELEVEN #22281 | FALLSTON, MD | 908 | 13 | — |
| HIGHS OF BALTIMORE | SMITHSBURG, MD | 906 | 0 | — |
| HOLIDAY MOBILE ESTATES, INC. | JESSUP, MD | 900 | 15 | — |
| CALVERT COUNTRY & CALVERT ELEMENTARY | PRINCE FREDERICK, MD | 900 | 25 | — |
| FOUR SEASONS SPORTS COMPLEX | HAMPSTEAD, MD | 900 | 4 | — |
| ROYAL FARMS #113 | BALTIMORE, MD | 900 | 0 | — |
| BEANTOWN TEXACO FOOD -DASH IN | HANOVER, MD | 900 | 13 | — |
| MUTUAL ELEMENTARY SCHOOL | PRINCE FREDERICK, MD | 894 | 8 | — |
| LORD CALVERT TRAILER PARK | LEXINGTON PARK, MD | 892 | 45 | — |
| CLOVERHILL 3 - CONSECUTIVE TO MD0100015 | FREDERICK, MD | 888 | 39 | — |
| TOWN OF GRANTSVILLE | GRANTSVILLE, MD | 885 | 16 | — |
| WALLBANGERS AND HARBORSIDE | OCEAN CITY, MD | 885 | 1 | — |
| PLUM POINT MIDDLE SCHOOL | PRINCE FREDERICK, MD | 881 | 29 | — |
| CONOWINGO ELEMENTARY | ELKTON, MD | 874 | 24 | — |
| STELLA MARIS | TIMONIUM, MD | 873 | 0 | — |
| MOUNT WASHINGTON PEDIATRIC HOSPITAL | BALTIMORE, MD | 870 | 0 | — |
| SOUTHERN REGION ALLEGANY DISTRIB. SYSTEM | CUMBERLAND, MD | 865 | 8 | — |
| UMD REHABILITATION AND ORTHOPEDIC INST. | BALTIMORE, MD | 860 | 0 | — |
| UNIVERSITY OF MARYLAND MEDICAL CENTER | BALTIMORE, MD | 854 | 0 | — |
| STEAMER RESTAURANT(CRAB ALLEY) | OCEAN CITY, MD | 850 | 7 | — |
| TOWN OF WOODSBORO | WOODSBORO, MD | 846 | 75 | — |
| KEY SCHOOL | ANNAPOLIS, MD | 820 | 39 | — |
| BRADFORD'S NEISHYAHOOD MARKET | HOLLYWOOD, MD | 818 | 2 | — |
| RIVA TRACE BAPTIST CHURCH | DAVIDSONVILLE, MD | 815 | 2 | — |