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 |
|---|---|---|---|---|
| LAKEWOOD | MD0040008 | Maryland | Community | 203 |
| MADONNA DOLLAR GENERAL | MD1121224 | Maryland | Transient Non-Community | 203 |
| RAUSCH FUNERAL HOME PORT REPUBLIC | MD1041189 | Maryland | Transient Non-Community | 202 |
| GREATER MT. NEBO A.M.E. CHURCH | MD1160046 | Maryland | Transient Non-Community | 202 |
| LAKE SHORE EXXON | MD1021536 | Maryland | Transient Non-Community | 202 |
| VFW POST #652 | MD1141063 | Maryland | Transient Non-Community | 202 |
| GRACE BRETHREN CHURCH - EAST WING | MD1041101 | Maryland | Transient Non-Community | 202 |
| MOUNTAINDALE CONVENIENCE STORE | MD1101046 | Maryland | Transient Non-Community | 202 |
| GOOD SAMARITAN PRESBYTERIAN | MD1081036 | Maryland | Transient Non-Community | 202 |
| GREAT OAK MANOR | MD1141024 | Maryland | Transient Non-Community | 202 |
| CARROLL MOTOR FUELS LOTHIAN | MD1021570 | Maryland | Transient Non-Community | 202 |
| THE CHURCH OF CHRIST (4TH WATCH) | MD1121301 | Maryland | Transient Non-Community | 201 |
| STILL AND GRILL | MD1061154 | Maryland | Transient Non-Community | 201 |
| CHRIST LUTHERAN CHURCH | MD1021527 | Maryland | Transient Non-Community | 201 |
| PINE TREE ASSOCIATES | MD1021221 | Maryland | Transient Non-Community | 201 |
| CAMP POTOMAC BOY SCOUTS DINING HALL | MD1011008 | Maryland | Transient Non-Community | 201 |
| 7-ELEVEN #25410 | MD1021293 | Maryland | Transient Non-Community | 200 |
| PATUXENT RIVER 4-H CENTER | MD1161225 | Maryland | Transient Non-Community | 200 |
| FINKSBURY PLAZA SHOPPING CENTER | MD1061339 | Maryland | Transient Non-Community | 200 |
| ROCKY GAP STATE PARK | MD1011051 | Maryland | Non-Transient Non-Community | 200 |
| HOWARD COUNTY FAIRGROUNDS - POULTRY BLD | MD1131075 | Maryland | Transient Non-Community | 200 |
| CALVARY BAPTIST CHURCH | MD1061335 | Maryland | Transient Non-Community | 200 |
| BAUGHERS | MD1061331 | Maryland | Transient Non-Community | 200 |
| WHITE PLAINS PARK-CONCESSION | MD1081162 | Maryland | Transient Non-Community | 200 |
| HOWARD COUNTY FAIR WASH RACKS- WELL #5 | MD1131076 | Maryland | Transient Non-Community | 200 |
| DOMINO'S PIZZA | MD1021311 | Maryland | Transient Non-Community | 200 |
| HOWARD COUNTY FAIR EXHIBIT HALL 1 | MD1131077 | Maryland | Transient Non-Community | 200 |
| COUNTRY FARM STORE 223 AND VALERO GAS | MD1221120 | Maryland | Transient Non-Community | 200 |
| AMOCO GAS STATION HOBBS ROAD | MD1221119 | Maryland | Transient Non-Community | 200 |
| PATAPSCO STATE PARK - AREA D | MD1061310 | Maryland | Transient Non-Community | 200 |
| HIGHS #91 - SYKESVILLE | MD1061303 | Maryland | Transient Non-Community | 200 |
| CAMP ABERDEEN | MD1121020 | Maryland | Transient Non-Community | 200 |
| COUNTRYSIDE MARKET AND DELI | MD1221023 | Maryland | Transient Non-Community | 200 |
| JEFFERSON BP | MD1101106 | Maryland | Transient Non-Community | 200 |
| EDGEMEADE SCHOOL | MD1160016 | Maryland | Non-Transient Non-Community | 200 |
| DUNKIN DONUTS - LIBERTYTOWN | MD1101385 | Maryland | Transient Non-Community | 200 |
| DUNKIRK MEDICAL CENTER | MD1040070 | Maryland | Non-Transient Non-Community | 200 |
| CAMP WINBURN | MD1121183 | Maryland | Transient Non-Community | 200 |
| ANCHOR INN | MD1021447 | Maryland | Transient Non-Community | 200 |
| BERLIN LIONS CLUB LL CONCESSION STAND | MD1231225 | Maryland | Transient Non-Community | 200 |
| SALTWATER | MD1061077 | Maryland | Transient Non-Community | 200 |
| LEWISTOWN ELEMENTARY | MD1000015 | Maryland | Non-Transient Non-Community | 200 |
| GREATER MT ZION BAPTIST CHURCH - 1041256 | MD1040090 | Maryland | Non-Transient Non-Community | 200 |
| MARYLAND MALLET | MD1061066 | Maryland | Transient Non-Community | 200 |
| NEW MIDWAY ELEMENTARY | MD1000025 | Maryland | Non-Transient Non-Community | 200 |
| WINFIELD VOL. FIRE DEPARTMENT | MD1061119 | Maryland | Transient Non-Community | 200 |
| SEA & SEA MARINA AND CMPGRND SEE 1091065 | MD1091066 | Maryland | Transient Non-Community | 200 |
| BADEN VOL FIRE DEPT | MD1161010 | Maryland | Transient Non-Community | 200 |
| HOWARD COUNTY FAIR 4H HALL | MD1131088 | Maryland | Transient Non-Community | 200 |
| SANDY HILL FAMILY CAMP | MD1221079 | Maryland | Transient Non-Community | 200 |