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 |
|---|---|---|---|---|
| CARPENTERS POINT WATER COMPANY | MD0002654 | Maryland | Community | 400 |
| 5TH SEASON RESTAURANT | MD1061048 | Maryland | Transient Non-Community | 400 |
| QUEENSTOWN COMMISSIONERS | MD0002696 | Maryland | Community | 400 |
| SOMERSET COUNTY INTERMEDIATE SCHOOL | MD1190026 | Maryland | Non-Transient Non-Community | 400 |
| TRACEYS LANDING ELEMENTARY | MD1020031 | Maryland | Non-Transient Non-Community | 400 |
| TUCKAHOE ST PARK (LAKE) | MD1051036 | Maryland | Transient Non-Community | 400 |
| BEACHES WATER CO | MD0040029 | Maryland | Community | 400 |
| SMOKEY GLEN FARM - PICNIC PAVILLION | MD1151028 | Maryland | Transient Non-Community | 400 |
| RUHLMAN BREWERY, LLC | MD1061336 | Maryland | Transient Non-Community | 400 |
| ROYAL FARMS #208 | MD1171063 | Maryland | Transient Non-Community | 400 |
| CHERRY HILL WATER SYSTEM | MD0070014 | Maryland | Community | 400 |
| BAY MANOR NURSING HOME | MD0020202 | Maryland | Community | 400 |
| NAVAL SURFACE WARFARE CENTER | MD0020048 | Maryland | Community | 400 |
| N. DORCHESTER MIDDLE SCHOOL | MD1090011 | Maryland | Non-Transient Non-Community | 396 |
| STRAWBERRY HLS-POTOMAC UTIL CO | MD0002748 | Maryland | Community | 396 |
| STONEY CHASE/ ROCK CREEK M.H.P.S | MD0070233 | Maryland | Community | 396 |
| TOLCHESTER MARINA INC. | MD1141050 | Maryland | Transient Non-Community | 395 |
| STEEPLECHASE WATERWORKS | MD0220010 | Maryland | Community | 395 |
| NORTHROP GRUMMAN - UNDERSEA SYSTEMS | MD1020037 | Maryland | Non-Transient Non-Community | 395 |
| KINGSVILLE ELEMENTARY SCHOOL | MD1030021 | Maryland | Non-Transient Non-Community | 391 |
| TOWN CREEK ELEMENTARY SCHOOL | MD1180054 | Maryland | Non-Transient Non-Community | 390 |
| SWAN HARBOR DELL | MD0002473 | Maryland | Community | 390 |
| KENMORE ELEMENTARY SCHOOL | MD1070039 | Maryland | Non-Transient Non-Community | 390 |
| BONNIE BROOK | MD0090001 | Maryland | Community | 390 |
| CALVERT ELEMENTARY | MD1070005 | Maryland | Non-Transient Non-Community | 389 |
| MT. HOPE/ NANJEMOY ELEMENTARY SCHOOL | MD1080021 | Maryland | Non-Transient Non-Community | 385 |
| LAKE HAVEN TRAILER PARK | MD0002228 | Maryland | Community | 384 |
| JARRETTSVILLE PLAZA SHOPPING CENTER | MD1121116 | Maryland | Transient Non-Community | 383 |
| CAVALIER COUNTRY | MD0040002 | Maryland | Community | 381 |
| PROVIDENCE SCHOOL | MD1070051 | Maryland | Non-Transient Non-Community | 380 |
| LITTLE FLOWER SCHOOL | MD1180028 | Maryland | Non-Transient Non-Community | 380 |
| PLIM PLAZA HOTEL - DISTRIBUTION | MD1231289 | Maryland | Non-Transient Non-Community | 380 |
| MARYVALE PREPARATORY SCHOOL | MD1030025 | Maryland | Non-Transient Non-Community | 380 |
| CHESTER RIVER YACHT CLUB | MD1141007 | Maryland | Transient Non-Community | 380 |
| CARDINAL HICKEY ACADEMY | MD1041184 | Maryland | Non-Transient Non-Community | 380 |
| WHITE ROCK YACHTING CENTER - WELL #1 | MD1021522 | Maryland | Transient Non-Community | 380 |
| SANITARY ASSOCIATES | WV3301967 | Maryland | Community | 380 |
| BENEDICT | MD0080062 | Maryland | Community | 376 |
| MAYO ELEMENTARY | MD1020021 | Maryland | Non-Transient Non-Community | 375 |
| LEONARDTOWN MIDDLE SCHOOL | MD1180025 | Maryland | Non-Transient Non-Community | 375 |
| ILUR WOODS EDGE MHP LLC | IL0195360 | Maryland | Community | 373 |
| CEDARHURST WATER CO INC | MD0002544 | Maryland | Community | 372 |
| KINGS MANOR - WHITE PLAINS WATER CO, INC | MD0080024 | Maryland | Community | 372 |
| KINGS MAN S-WHITE PLNS WTR CO | MD0002826 | Maryland | Community | 372 |
| LEEDS ELEMENTARY | MD1070020 | Maryland | Non-Transient Non-Community | 372 |
| CARROLL MANOR ELEMENTARY SCHOOL | MD1030005 | Maryland | Non-Transient Non-Community | 370 |
| MONTROSE SCHOOL FOR GIRLS | MD0002702 | Maryland | Community | 370 |
| TOWN OF KITZMILLER | MD0110013 | Maryland | Community | 370 |
| GLENWOOD COMMUNITY CENTER | MD1131318 | Maryland | Non-Transient Non-Community | 366 |
| CARROLL MANOR ELEMENTARY | MD1100004 | Maryland | Non-Transient Non-Community | 364 |