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 |
|---|---|---|---|---|
| BETTERTON | MD0002233 | Maryland | Community | 1,000 |
| CROSSROADS CHURCH | MD1111172 | Maryland | Transient Non-Community | 1,000 |
| LAUREL RACE COURSE | MD1021358 | Maryland | Transient Non-Community | 1,000 |
| DUNKIN DONUTS | MD1061347 | Maryland | Transient Non-Community | 1,000 |
| UNION BRIDGE | MD0002784 | Maryland | Community | 1,000 |
| TOWN OF UNION BRIDGE | MD0060013 | Maryland | Community | 997 |
| CATHARPIN SQUARE | VA6153011 | Maryland | Transient Non-Community | 968 |
| CHERRY HILL MIDDLE & KENMORE ELEMENTARY | MD1070010 | Maryland | Non-Transient Non-Community | 964 |
| HAMPSTEAD | MD0002463 | Maryland | Community | 961 |
| RISING SUN | MD0002711 | Maryland | Community | 956 |
| WORTON | MD0140007 | Maryland | Community | 955 |
| CAMBRIDGE FARMS | MD0100033 | Maryland | Community | 953 |
| GLENELG COUNTRY SCHOOL | MD1130003 | Maryland | Non-Transient Non-Community | 950 |
| INTERSTATE SHELL (TOANO) | VA3095425 | Maryland | Transient Non-Community | 950 |
| TOWN & COUNTRY MOBILE HOME PARK | MD0070235 | Maryland | Community | 950 |
| JOHNS HOPKINS BAYVIEW MEDICAL CENTER | MD1300008 | Maryland | Non-Transient Non-Community | 950 |
| SWAN POINT | MD0080046 | Maryland | Community | 945 |
| BAIS YAAKOV SCHOOL FOR GIRLS | MD1030002 | Maryland | Non-Transient Non-Community | 940 |
| ROYAL FARMS #253- PORT ROYAL | VA6033615 | Maryland | Transient Non-Community | 918 |
| MOLLYS | MD1141111 | Maryland | Transient Non-Community | 915 |
| MCDONOUGH SCHOOL | MD0030006 | Maryland | Community | 913 |
| PROSPECT BAY | MD0170009 | Maryland | Community | 913 |
| MCDONOUGH SCHOOL | MD0002553 | Maryland | Community | 913 |
| DUNKIN DONUTS -JEFFERSON | MD1101377 | Maryland | Transient Non-Community | 908 |
| SEVEN-ELEVEN #22281 | MD1121256 | Maryland | Transient Non-Community | 908 |
| HIGHS OF BALTIMORE | MD1211199 | Maryland | Transient Non-Community | 906 |
| WYE MILLS MARKET | MD1201059 | Maryland | Transient Non-Community | 903 |
| SOUTH MOUNTAIN REST AREA-WESTBOUND | MD1101264 | Maryland | Transient Non-Community | 900 |
| RIDGELY COMMISSIONERS | MD0002709 | Maryland | Community | 900 |
| SHARPTOWN MAYOR AND TOWN COUNC | MD0002744 | Maryland | Community | 900 |
| BADEN GROCERY BUILDING | MD1161009 | Maryland | Transient Non-Community | 900 |
| BEANTOWN TEXACO FOOD -DASH IN | MD1081164 | Maryland | Transient Non-Community | 900 |
| CALVERT COUNTRY & CALVERT ELEMENTARY | MD1040012 | Maryland | Non-Transient Non-Community | 900 |
| HOLIDAY MOBILE ESTATES, INC. | MD0020211 | Maryland | Community | 900 |
| PORT DEPOSIT MAYOR AND COUNCIL | MD0002670 | Maryland | Community | 900 |
| FOUR SEASONS SPORTS COMPLEX | MD1061091 | Maryland | Transient Non-Community | 900 |
| WAYSONS MOBILE HOME PARK | MD0002548 | Maryland | Community | 900 |
| ROYAL FARMS #113 | MD1061317 | Maryland | Transient Non-Community | 900 |
| MUTUAL ELEMENTARY SCHOOL | MD1040032 | Maryland | Non-Transient Non-Community | 894 |
| LORD CALVERT TRAILER PARK | MD0180213 | Maryland | Community | 892 |
| CLOVERHILL 3 - CONSECUTIVE TO MD0100015 | MD0100031 | Maryland | Community | 888 |
| TOWN OF GRANTSVILLE | MD0110005 | Maryland | Community | 885 |
| WALLBANGERS AND HARBORSIDE | MD1231110 | Maryland | Transient Non-Community | 885 |
| PLUM POINT MIDDLE SCHOOL | MD1040065 | Maryland | Non-Transient Non-Community | 881 |
| CONOWINGO ELEMENTARY | MD1070011 | Maryland | Non-Transient Non-Community | 874 |
| STELLA MARIS | MD0030212 | Maryland | Community | 873 |
| MOUNT WASHINGTON PEDIATRIC HOSPITAL | MD1300007 | Maryland | Non-Transient Non-Community | 870 |
| ILUR LIBERTY COMMONS MHP LLC | IL0195400 | Maryland | Community | 865 |
| SOUTHERN REGION ALLEGANY DISTRIB. SYSTEM | MD0010045 | Maryland | Community | 865 |
| UMD REHABILITATION AND ORTHOPEDIC INST. | MD1300011 | Maryland | Non-Transient Non-Community | 860 |