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 |
|---|---|---|---|---|
| LEONARDTOWN HIGH SCHOOL | MD1180024 | Maryland | Non-Transient Non-Community | 1,750 |
| CROWNSVILLE STATE HOSPITAL | MD0002298 | Maryland | Community | 1,750 |
| THE PROVINCES WATER CO INC | MD0002258 | Maryland | Community | 1,740 |
| TOWN OF NEW WINDSOR | MD0060008 | Maryland | Community | 1,732 |
| LINGANORE HIGH SCHOOL | MD1100017 | Maryland | Non-Transient Non-Community | 1,722 |
| THOMPSON EST HOLLY HALL TER | MD0002348 | Maryland | Community | 1,700 |
| LA PLATA | MD0002513 | Maryland | Community | 1,700 |
| LEONARDTOWN | MD0002529 | Maryland | Community | 1,700 |
| FORT SMALLWOOD PARK | MD1021115 | Maryland | Transient Non-Community | 1,646 |
| TEVCO JIFFY MART | MD1061162 | Maryland | Transient Non-Community | 1,610 |
| SIDELING HILL STATE PARK EXHIBIT RT 68 W | MD1211128 | Maryland | Transient Non-Community | 1,603 |
| TOWN OF RIDGELY | MD0050006 | Maryland | Community | 1,600 |
| BEL AIR-PINTO UTILITIES INC | MD0002663 | Maryland | Community | 1,600 |
| LAKESIDE VILLAGE | MD0210215 | Maryland | Community | 1,575 |
| KNOLLS OF WINDSOR | MD0100041 | Maryland | Community | 1,553 |
| MOUNT AIRY MAYOR & TOWN COUNCI | MD0002581 | Maryland | Community | 1,550 |
| CASTAWAYS CAMPGROUND | MD1231034 | Maryland | Transient Non-Community | 1,550 |
| HUNTINGTOWN HIGH SCHOOL | MD1040075 | Maryland | Non-Transient Non-Community | 1,540 |
| GLENELG HIGH SCHOOL | MD1130004 | Maryland | Non-Transient Non-Community | 1,532 |
| TOWN OF MYERSVILLE | MD0100020 | Maryland | Community | 1,516 |
| WAWA #573 | MD1041248 | Maryland | Transient Non-Community | 1,516 |
| WATERSIDE | MD0100029 | Maryland | Community | 1,509 |
| WAWA #550 | MD1121226 | Maryland | Transient Non-Community | 1,508 |
| N. DORCHESTER MIDDLE & HIGH SCHOOLS | MD1090010 | Maryland | Non-Transient Non-Community | 1,500 |
| SHARPSBURG-WASHINGTON CO SAN C | MD0002454 | Maryland | Community | 1,500 |
| BUSHY PARK ES/GLENWOOD MS COMPLEX | MD1130001 | Maryland | Non-Transient Non-Community | 1,500 |
| INDIAN HEAD | MD0002491 | Maryland | Community | 1,500 |
| SPRINGFIELD HOSPITAL DISTRIBUTION | MD0060010 | Maryland | Community | 1,500 |
| DEEP CREEK LAKE STATE PARK (DAY USE) | MD1111020 | Maryland | Transient Non-Community | 1,500 |
| ST MICHAELS | MD0002723 | Maryland | Community | 1,500 |
| STRAWBERRY HILLS - SEE 0080033 | MD0080044 | Maryland | Community | 1,500 |
| 7 - ELEVEN - PRINCE FREDERICK | MD1041278 | Maryland | Transient Non-Community | 1,500 |
| TOWN OF PITTSVILLE | MD0220009 | Maryland | Community | 1,500 |
| ST MICHAELS TOWN COMM | MD0002836 | Maryland | Community | 1,500 |
| ROYAL FARMS #206 | MD1021771 | Maryland | Transient Non-Community | 1,473 |
| MANCHESTER MAYHOR AND COUNCEL | MD0002562 | Maryland | Community | 1,451 |
| CALVERT HIGH SCHOOL - SEE 0040011 | MD1040016 | Maryland | Non-Transient Non-Community | 1,450 |
| CHESAPEAKE RANCH WATER CO INC | MD0002551 | Maryland | Community | 1,448 |
| SCIENTISTS CLIFFS | MD0040014 | Maryland | Community | 1,425 |
| TOWN CREEK MANOR WATER CO | MD0180014 | Maryland | Community | 1,400 |
| U.S.D.A. AGRICULTURAL RESEARCH CENTER | MD0160001 | Maryland | Non-Transient Non-Community | 1,400 |
| WALKERSVILLE BURGESS & COMM | MD0002810 | Maryland | Community | 1,400 |
| FORT RITCHIE | MD0000045 | Maryland | Community | 1,400 |
| DEPT OF PUBLIC WORKS | MD0002851 | Maryland | Community | 1,400 |
| TOWN CREEK MANOR WATER CO | MD0002478 | Maryland | Community | 1,400 |
| BRADDOCK WATER CO | MD0002390 | Maryland | Community | 1,400 |
| ALLVIEW ESTATES-WITTCO WATER C | MD0002356 | Maryland | Community | 1,400 |
| ALLVIEW ESTATES-WITTCO WATER C | MD0130001 | Maryland | Community | 1,400 |
| SHERWOOD FOREST COMPANY | MD0002212 | Maryland | Community | 1,400 |
| SOUTHERN HIGH SCHOOL | MD1020028 | Maryland | Non-Transient Non-Community | 1,400 |