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.
| 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 |