Browse Water Systems
7,795 public water systems in MD.
Public Water Systems Database
Browse 7,795 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 |
|---|---|---|---|---|
| DICKERSON MARKET | MD1151011 | Maryland | Transient Non-Community | 510 |
| POTOMAC SPEEDWAY | MD1181139 | Maryland | Transient Non-Community | 510 |
| BREN MAR PARK SWIM CLUB | MD1121015 | Maryland | Transient Non-Community | 509 |
| BOWENS GROCERY | MD1041008 | Maryland | Transient Non-Community | 509 |
| TRIADELPHIA RIDGE ELEMENTARY | MD1130027 | Maryland | Non-Transient Non-Community | 507 |
| BURGER KING DUNKIRK | MD1041249 | Maryland | Transient Non-Community | 506 |
| CHOPTANK COMMUNITY HEALTH | MD1051083 | Maryland | Transient Non-Community | 505 |
| SOUTHDOWN SHORES CORPORATION | MD0020036 | Maryland | Community | 504 |
| EMMANUEL BAPTIST CHURCH | MD1041120 | Maryland | Transient Non-Community | 504 |
| SYLVAN SHORES SERVICES CO INC | MD0002715 | Maryland | Community | 504 |
| SOUTHDOWN SHORES CORPORATION | MD0002340 | Maryland | Community | 504 |
| ST. MARKS CHURCH - MULTIPURPOSE | MD1121316 | Maryland | Transient Non-Community | 503 |
| HIGHS DAIRY STORE #17 | MD1021093 | Maryland | Transient Non-Community | 503 |
| SAINT MARYS FAIRGROUNDS | MD1181167 | Maryland | Transient Non-Community | 502 |
| SACRED HEART CHURCH | MD1181318 | Maryland | Transient Non-Community | 502 |
| SAINT GEORGES CATHOLIC CHURCH | MD1181321 | Maryland | Transient Non-Community | 502 |
| COLLEGE OF SOUTHERN MD - CALVERT CAMPUS | MD1040049 | Maryland | Non-Transient Non-Community | 501 |
| FT DETRICK SITE R | PA7010049 | Maryland | Community | 501 |
| GUNPOWDER FALLS ST PK CAMP WOOD | MD1031274 | Maryland | Transient Non-Community | 501 |
| GUNPOWDER FALLS FREELAND NCR TRAIL | MD1031329 | Maryland | Transient Non-Community | 501 |
| PRNC FRED-CALV CO SAN DIST INC | MD0002685 | Maryland | Community | 500 |
| SECRETARY | MD0002736 | Maryland | Community | 500 |
| RAMBLIN PINES CAMPGROUND | MD1061078 | Maryland | Transient Non-Community | 500 |
| HERITAGE OF RANTOUL | IL0190080 | Maryland | Community | 500 |
| OCEANPINES MD MARINE UTILITIES | MD0002624 | Maryland | Community | 500 |
| WHITE CRYSTAL BEACH | MD0002328 | Maryland | Community | 500 |
| POOLESVILLE-COMMISSIONERS | MD0002669 | Maryland | Community | 500 |
| SUNDERLAND VILLAGE CENTER | MD1040094 | Maryland | Transient Non-Community | 500 |
| LAKESIDE CREAMERY | MD1111018 | Maryland | Transient Non-Community | 500 |
| CRYSTAL BEACH MANOR/T&C UTILITY | MD0070008 | Maryland | Community | 500 |
| DEERFIELD PLAZA/JAMESWAY PLZA | NJ0613310 | Maryland | Non-Transient Non-Community | 500 |
| WINTERPLACE MARKET | MD1221172 | Maryland | Transient Non-Community | 500 |
| EASTERN SHORE STATE HOSPITAL | MD0002255 | Maryland | Community | 500 |
| HOWARD COUNTY FAIR MAIN EXHIBIT HALL | MD1131078 | Maryland | Transient Non-Community | 500 |
| EMMANUEL WESLEYAN CHURCH | MD1221180 | Maryland | Transient Non-Community | 500 |
| VILLAGE SHOPPING CENTER | PA2660385 | Maryland | Non-Transient Non-Community | 500 |
| KLONDIKE WATER CO | MD0002417 | Maryland | Community | 500 |
| PATUXENT RIVER PARK AQUASCO, GIRL SCOUT | MD1161228 | Maryland | Transient Non-Community | 500 |
| NANTUCKET POINT(DISTRIBUTION-DELAWARE) | MD0230020 | Maryland | Community | 500 |
| FAIRHAVEN PARK-SYKESVILLE BASEBALL | MD1061658 | Maryland | Transient Non-Community | 500 |
| UMMC - MIDTOWN CAMPUS ARMORY BUILDING | MD1300009 | Maryland | Non-Transient Non-Community | 500 |
| SEVERNA PARK EVANGELICAL PRESBYTERIAN | MD1021581 | Maryland | Transient Non-Community | 500 |
| CHRIST UMC | MD1221021 | Maryland | Transient Non-Community | 500 |
| CAPITOL RACEWAY, DOUBLE DS DOGS | MD1021065 | Maryland | Transient Non-Community | 500 |
| MT AETNA-HIGHLAND VIEW ACADEMY | MD0002287 | Maryland | Community | 500 |
| HARFORD CHRISTIAN SCHOOL | MD1120017 | Maryland | Non-Transient Non-Community | 500 |
| RIDDLE FARM | MD0230019 | Maryland | Community | 500 |
| BOYS VILLAGE CHELTENHAM | MD0002268 | Maryland | Community | 500 |
| DOWNS MEMORIAL PARK WELL # 2 | MD1021560 | Maryland | Transient Non-Community | 500 |
| SOUTHERN MARYLAND CORRECTIONAL | MD0001460 | Maryland | Community | 500 |