All Maryland water systems
Every Maryland community water system on Lead Pipe Map (225), A to Z, with its lead and galvanized line count. Open a system for its full inventory, lead tests and violations.
A
- Avon Crest 11 unknown
B
- Banks Odee 30 unknown
- Bayside-Queenslanding not reported
- Beaches Water Co-Operative 12 lead/galv.
- Benedict 30 unknown
- Benedictine School 1 lead/galv.
- Bloomington 15 unknown
- Bonnie Brook 117 unknown
- Boones Mobile Estates 7 lead/galv.
- Boonsboro - Keedysville 73 lead/galv.
- Breton Bay no lead
- Broad Creek 245 unknown
- Brophytown Distribution System 2 unknown
- Bryans Road 543 unknown
C
- Calvert Beach - Decatur Street 135 unknown
- Calvert Beach / Forest Trail 45 unknown
- Calvert Mobile Home Park 20 unknown
- Cambridge Farms 1 unknown
- Cedar Cove no lead
- Chapel Hill - Aberdeen Proving Grounds 412 unknown
- Charles County Gardens Water 82 unknown
- Cheltenham Boys Village 11 unknown
- Chesapeake Heights (Bayside Forest) 152 unknown
- Chesapeake Ranch Estates 388 unknown
- City of Aberdeen 2,698 unknown
- City of Annapolis 27 lead/galv.
- City of Baltimore 432 lead/galv.
- City of Bowie no lead
- City of Brunswick 2,217 unknown
- City of Cambridge Water 5,916 unknown
- City of Crisfield no lead
- City of Cumberland 6 lead/galv.
- City of Frederick 155 lead/galv.
- City of Frostburg no lead
- City of Fruitland 1,000 unknown
- City of Hagerstown 17,747 unknown
- City of Havre de Grace 2,603 unknown
- City of Pocomoke City 1,774 unknown
- City of Rockville 8,298 unknown
- City of Salisbury 3 lead/galv.
- City of Taneytown 19 lead/galv.
- City of Westminster no lead
- Cliffton on the Potomac 31 unknown
- Cloverhill 3 - Consecutive To Md0100015 1 unknown
- Copperfield 2 unknown
- Country Lakes no lead
- Country Village Mobile Home Park 38 unknown
- Crellin 66 unknown
- Crofton-Odenton 616 unknown
- Crownsville Hospital Center 25 unknown
D
- Deep Creek Lake Water Service Area 205 unknown
- Dorchester Country Estates M.H.P. 20 unknown
E
- Eastern Correctional Institute no lead
- Eastern Region Allegany Distrib. System 3,470 unknown
- Easton Utilities 3,074 unknown
- Edesville 111 unknown
- Elk Ridge Lake 22 unknown
- Elkton West 367 unknown
F
- Fairland Crossing Apartments not reported
- Fairlee 301 unknown
- Fort Detrick no lead
- Fort George G. Meade 88 lead/galv.
- Fountaindale South 537 unknown
- Freedom District 1,484 unknown
G
- Gibson Island 70 unknown
- Glen Burnie-Broadneck 48 lead/galv.
- Gorman 135 unknown
- Grasonville 281 unknown
- Greenbrier no lead
H
- Harford County D.P.W. 3,293 unknown
- Harman Subdivision 16 unknown
- Hawthorne Water Supply, INC 24 unknown
- Herald Harbor 151 unknown
- Highfield 30 unknown
- Howard County D.P.W. Distribution 1 lead/galv.
- Hunting Hills 44 unknown
J
- Johns Hopkins University not reported
- Jonestown Water System 55 unknown
K
- Kennedyville 163 unknown
- Kenwood Beach 80 unknown
- Kings Manor - White Plains Water Co, INC 109 unknown
- Knolls of Windsor 3 unknown
L
- Lake Village Townhomes no lead
- Lakeside Village no lead
- Lakewood 16 unknown
- Laurel Water Supply 3 lead/galv.
- Lavale Sanitary Commission 58 lead/galv.
- Lexington Park no lead
- Libertytown East 1 unknown
- Lodgecliffe Distribution System 100 unknown
- Lyons Creek Estates 2 lead/galv.
M
- Maryland American Water Company 4,879 unknown
- Maryland American Water--Severn System 202 unknown
- MD American Water - Pinto 614 unknown
- MD American Water Greenridge 855 unknown
- MD American Water Lakeside Vista 82 unknown
- MD American Water Provinces 1,483 unknown
- Midland-Lonaconing 1,740 unknown
- Millington Distribution System 130 unknown
- Mount Aetna 95 unknown
- Mount Carmel Woods 13 unknown
- Mount Pleasant Water Co., INC. 43 unknown
- Mount Saint Marys University no lead
- Mountain Hill Water Company no lead
- Mystic Harbour no lead
N
- Naval Support Facility, Indian Head 21 lead/galv.
- New Design - Frederick County 4,730 unknown
- Newtown Estates - Tip Hill Water Co. 42 unknown
- Newtown Village 1 unknown
O
- Oak Hill Water Company, LLC 55 unknown
- Ocean Pines no lead
- Oyster Cove 73 unknown
P
- Patuxent Mobile Estates 1 lead/galv.
- Patuxent Naval Air Station (Navfac-Wash) 32 lead/galv.
- Perry Point V.A. Medical Center no lead
- Pheasant Ridge Estates 101 unknown
- Phoenix 4 unknown
- Pine Hill Water Company 39 unknown
- Pine Hills 151 unknown
- Pomfret Estates - Utilco, INC. 52 unknown
- Pomonkey Water Company - Ford Heights 30 unknown
- Pomunk Water Company Distribution System 78 unknown
- Potomac Heights 12 unknown
- Prince Frederick 70 unknown
- Prospect Bay 243 unknown
R
- Reckley Spring Community Water 30 unknown
- Red Hill Water Company, INC. 45 unknown
- Riverside Complex 7 unknown
- Rose Haven 2 unknown
- Rosemont Distribution System 93 unknown
S
- Saint Marys College no lead
- Sam Hill Estates 2 unknown
- Scientists Cliffs no lead
- Sherwood Forest Water Company no lead
- Solomons 686 unknown
- Southern Region Allegany Distrib. System 324 unknown
- Southview Wise 24 unknown
- Springfield Hospital Distribution no lead
- St. Leonard 46 unknown
- Stevensville 3,562 unknown
- Summit/Highlands no lead
- Sunnybrook 58 unknown
- Swan Point 11 unknown
T
- Town of Berlin 663 unknown
- Town of Betterton 167 unknown
- Town of Cecilton 34 unknown
- Town of Centreville 663 unknown
- Town of Charlestown no lead
- Town of Chesapeake Beach no lead
- Town of Chesapeake City [formerly South] 389 unknown
- Town of Chestertown no lead
- Town of Darlington 26 unknown
- Town of Deer Park 9 unknown
- Town of Delmar 84 lead/galv.
- Town of Denton 596 lead/galv.
- Town of East New Market 134 unknown
- Town of Elkton 295 unknown
- Town of Emmitsburg 18 lead/galv.
- Town of Federalsburg 1,127 unknown
- Town of Friendsville 374 unknown
- Town of Funkstown Distribution System 20 lead/galv.
- Town of Galena 1 lead/galv.
- Town of Grantsville 347 unknown
- Town of Greensboro 608 unknown
- Town of Hampstead no lead
- Town of Hancock 16 lead/galv.
- Town of Hebron 326 unknown
- Town of Hurlock 600 unknown
- Town of Indian Head 5 lead/galv.
- Town of Kitzmiller 174 unknown
- Town of la Plata 1 lead/galv.
- Town of Leonardtown no lead
- Town of Manchester 18 lead/galv.
- Town of Middletown 84 unknown
- Town of Mount Airy 29 lead/galv.
- Town of Mountain Lake Park 944 unknown
- Town of Myersville 26 lead/galv.
- Town of New Windsor 629 unknown
- Town of North Beach no lead
- Town of North East 444 unknown
- Town of Oakland 2 lead/galv.
- Town of Ocean City 1,757 unknown
- Town of Oxford 380 unknown
- Town of Perryville 595 unknown
- Town of Pittsville 211 unknown
- Town of Poolesville 91 unknown
- Town of Preston 21 lead/galv.
- Town of Princess Anne 564 unknown
- Town of Queenstown 227 unknown
- Town of Ridgely no lead
- Town of Rising Sun no lead
- Town of Rock Hall 818 unknown
- Town of Secretary 180 unknown
- Town of Sharpsburg 309 unknown
- Town of Sharptown 342 unknown
- Town of Smithsburg Distribution System 7 lead/galv.
- Town of Snow Hill 912 unknown
- Town of St. Michaels 1,115 unknown
- Town of Sudlersville 168 unknown
- Town of Thurmont 11 lead/galv.
- Town of Trappe 252 unknown
- Town of Union Bridge 405 unknown
- Town of Vienna 1 unknown
- Town of Walkersville 523 unknown
- Town of Westernport 1,093 unknown
- Town of Willards 161 unknown
- Town of Williamsport Distribution System 6 lead/galv.
- Town of Woodsboro 236 unknown
- Trimac Water Company - Forest Park 45 unknown
- Turkey Hill Water Company 47 unknown
U
- U.S. Naval Academy 1 lead/galv.
W
- Wakefield Valley no lead
- Waldorf - Charles County DPW 3,737 unknown
- Washington Suburban Sanitary Commission 1,285 lead/galv.
- Waterside 2 unknown
- West Nottingham Academy 12 unknown
- West White Plains 15 unknown
- Western Region Allegany Distrib. System 1,985 unknown
- Western Shores 70 unknown
- White Plains 1 Mhp/Smittys 35 unknown
- White Plains 2 Mhp/Jack Blair 23 unknown
- White Rock 51 unknown
- White Sands 17 unknown
- Wicomico Shores no lead
- Worton 345 unknown
Source: EPA SDWIS service line inventory, 2026 Q3.