Browse Water Systems
7,874 public water systems in MD.
Public Water Systems Database
Browse 7,874 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 |
|---|---|---|---|---|
| PU PUPUSERIA | MD1171247 | Maryland | Transient Non-Community | 100 |
| HORTON PROPERTIES | MD1071390 | Maryland | Transient Non-Community | 100 |
| CACAPON STATE PARK | WV9933007 | Maryland | Non-Transient Non-Community | 100 |
| TREE TREKKERS | MD1101374 | Maryland | Transient Non-Community | 100 |
| BAY MONTESSORI SCHOOL | MD1180070 | Maryland | Non-Transient Non-Community | 100 |
| BALTO CITY AP PUBLIC WORKS | MD0000077 | Maryland | Community | 99 |
| DUNROVIN TRAILER PARK | MD0002634 | Maryland | Community | 99 |
| GUIDEPOST MONTESSORI | MD1020071 | Maryland | Non-Transient Non-Community | 99 |
| FIRST BAPTIST CHURCH OF LAPLATA | MD1081218 | Maryland | Transient Non-Community | 99 |
| WARDS MEMORIAL UNITED METHODIST CHURCH | MD1041139 | Maryland | Transient Non-Community | 99 |
| BETHUNE INSTRUCTIONAL CENTER | MD1180002 | Maryland | Non-Transient Non-Community | 99 |
| THE CHILDS NURTURING CENTER 1-FINKSBURG | MD1060047 | Maryland | Non-Transient Non-Community | 99 |
| PHELPS MOBILE HOME VILLA | MI0040494 | Maryland | Community | 98 |
| 31550 WINTERPLACE PARK | MD1220045 | Maryland | Non-Transient Non-Community | 97 |
| MERRY MEADOWS LOWER RESTROOM- WELL #6 | MD1031344 | Maryland | Transient Non-Community | 97 |
| LIBERTYTOWN APARTMENTS | MD0100036 | Maryland | Community | 97 |
| BROOKE GROVE FOUNDATION | MD0002636 | Maryland | Community | 97 |
| CARRIE WEEDON EARLY EDUCATION CENTER | MD1020087 | Maryland | Non-Transient Non-Community | 97 |
| LONG COVE MARINA | MD1141034 | Maryland | Transient Non-Community | 96 |
| CRAFT WORLD INC | MD1060015 | Maryland | Non-Transient Non-Community | 96 |
| R & R ESTATES | MD0120210 | Maryland | Community | 96 |
| WORTHINGTON MANOR GOLF CLUB | MD1101311 | Maryland | Transient Non-Community | 96 |
| MARYLAND LINE U M CHURCH | MD1031230 | Maryland | Transient Non-Community | 96 |
| GRANITE MOBILE HOME PARK | MD0030204 | Maryland | Community | 96 |
| FORD HEIGHTS-POMONKEY WATER CO | MD0002492 | Maryland | Community | 96 |
| CEDAR RIDGE CO INC | MD0002641 | Maryland | Community | 95 |
| OWENSVILLE PRIMARY CARE | MD1020110 | Maryland | Transient Non-Community | 95 |
| MILLINGTON MARKET | MD1141038 | Maryland | Transient Non-Community | 95 |
| LYONS CREEK SHOPPING CENTER | MD1041151 | Maryland | Non-Transient Non-Community | 95 |
| HACKS POINT MARINA | MD1071274 | Maryland | Transient Non-Community | 95 |
| MT CARMEL ANIMAL HOSPITAL | MD1031363 | Maryland | Transient Non-Community | 95 |
| HARBOUR LIGHT ESTATES COMMUNITY | MD0220212 | Maryland | Community | 95 |
| HEALTH SOUTH/ PENINSULA ORTHOPEDICS | MD1221178 | Maryland | Transient Non-Community | 95 |
| HELLENIC AMERICAN ACADEMY | MD1150005 | Maryland | Non-Transient Non-Community | 95 |
| KELLY FOODS, INC. | MD1230053 | Maryland | Non-Transient Non-Community | 95 |
| FORT SMALLWOOD MAINTENANCE | MD1020078 | Maryland | Non-Transient Non-Community | 95 |
| JLH BUILDING(COMCAST) | MD1041244 | Maryland | Transient Non-Community | 94 |
| CARROLL LUTHERAN SCHOOL | MD1060079 | Maryland | Non-Transient Non-Community | 94 |
| WEEMS CREEK NURSERY SCHOOL | MD1021775 | Maryland | Transient Non-Community | 93 |
| MARBURY EST-DUMAR EST WTR CO I | MD0002565 | Maryland | Community | 93 |
| WOODSEDGE MOBILE HOME COURT | MD0010211 | Maryland | Community | 93 |
| WOODSEDGE MOBILE HOME COURT | MD0002305 | Maryland | Community | 93 |
| GLENVILAH CENTER II [12948 A-F] | MD1151064 | Maryland | Transient Non-Community | 93 |
| HOLTZOPLES/MORE THAN GAS | MD1101186 | Maryland | Transient Non-Community | 93 |
| SOUTHERN PINES ELDERLY HOUSE-SEE 0040027 | MD0040033 | Maryland | Community | 93 |
| CALVERT MANOR NURSING HOME | MD0002714 | Maryland | Community | 92 |
| FIRST CHRISTIAN COMM. CHURCH- ANNAPOLIS | MD1021684 | Maryland | Transient Non-Community | 92 |
| CALVERTMANOR NURSING HOME | MD0002854 | Maryland | Community | 92 |
| WARWICK HOSPITALITY, INC | MD1071186 | Maryland | Transient Non-Community | 92 |
| CEDAR RIDGE CO INC | MD0000721 | Maryland | Community | 91 |