Maryland Water Utilities
Comprehensive directory of 118 water utilities serving 5.1 million people across Maryland. View quality reports, EPA violations, and contact information.
118
Utilities
5.1M
People Served
6
With Violations
1.9M
Largest Utility
All Water Utilities in Maryland
Need Maryland Contact Data?
Get verified contacts for 118 Maryland water utilities. Names, titles, phone numbers, and emails.
WASHINGTON SUBURBAN SANITARY COMMISSION
People Served
1900KCities Served
1View Details →
BALTIMORE WATER SYSTEM
People Served
1600KCities Served
1Above Guidelines
7View Details →
GLEN BURNIE-BROADNECK
People Served
291KCities Served
1Above Guidelines
2View Details →
HOWARD COUNTY D.P.W. DISTRIBUTION
People Served
286KCities Served
1View Details →
ABINGDON WATER SYSTEM
People Served
105KCities Served
1Above Guidelines
6View Details →
HARFORD COUNTY D.P.W.
People Served
105KCities Served
2Above Guidelines
2View Details →
CITY OF HAGERSTOWN
People Served
92KCities Served
2View Details →
CROFTON-ODENTON
People Served
63KCities Served
1View Details →
FORT GEORGE G. MEADE
People Served
62KCities Served
1View Details →
CITY OF FREDERICK
People Served
54KCities Served
1View Details →
CITY OF ROCKVILLE
People Served
52KCities Served
1View Details →
NEW DESIGN - FREDERICK COUNTY
People Served
49KCities Served
1View Details →
LEXINGTON PARK
People Served
43KCities Served
1Above Guidelines
2View Details →
CITY OF SALISBURY
People Served
30KCities Served
1Above Guidelines
1View Details →
CITY OF BOWIE
People Served
25KCities Served
2View Details →
FREEDOM DISTRICT
People Served
25KCities Served
2EPA Violations
4Above Guidelines
3View Details →
PATUXENT NAVAL AIR STATION (NAVFAC-WASH)
People Served
22KCities Served
2Above Guidelines
2View Details →
CITY OF ABERDEEN
People Served
16KCities Served
1View Details →
EASTON UTILITIES
People Served
16KCities Served
1Above Guidelines
1View Details →
TOWN OF ELKTON
People Served
16KCities Served
1Above Guidelines
2View Details →
CHAPEL HILL - ABERDEEN PROVING GROUNDS
People Served
15KCities Served
1View Details →
CITY OF CAMBRIDGE
People Served
15KCities Served
2Above Guidelines
1View Details →
CITY OF HAVRE DE GRACE
People Served
14KCities Served
1View Details →
OCEAN PINES
People Served
12KCities Served
1View Details →
TOWN OF MOUNT AIRY
People Served
10KCities Served
1View Details →
CHESAPEAKE RANCH ESTATES
People Served
10KCities Served
2Above Guidelines
2View Details →
TOWN OF LA PLATA
People Served
10KCities Served
1Above Guidelines
2View Details →
TOWN OF NORTH EAST
People Served
9KCities Served
1View Details →
TOWN OF WALKERSVILLE
People Served
8KCities Served
1Above Guidelines
1View Details →
FORT DETRICK
People Served
8KCities Served
1EPA Violations
1View Details →
A.P.G. - EDGEWOOD AREA
People Served
6KCities Served
2View Details →
CITY OF FRUITLAND
People Served
6KCities Served
1View Details →
SEVERN WATER COMPANY
People Served
5KCities Served
1Above Guidelines
1View Details →
TOWN OF CHESTERTOWN
People Served
5KCities Served
1Above Guidelines
1View Details →
TOWN OF POOLESVILLE
People Served
5KCities Served
1Above Guidelines
2View Details →
TOWN OF CHESAPEAKE BEACH
People Served
5KCities Served
2Above Guidelines
2View Details →
TOWN OF BERLIN
People Served
5KCities Served
1Above Guidelines
2View Details →
TOWN OF PERRYVILLE
People Served
4KCities Served
1EPA Violations
1View Details →
CITY OF POCOMOKE CITY
People Served
4KCities Served
1EPA Violations
3View Details →
SOLOMONS
People Served
4KCities Served
1Above Guidelines
3View Details →
TOWN OF CHARLESTOWN
People Served
4KCities Served
1View Details →
TOWN OF CENTREVILLE
People Served
3KCities Served
1EPA Violations
1Above Guidelines
2View Details →
TOWN OF PRINCESS ANNE
People Served
3KCities Served
1Above Guidelines
1View Details →
COUNTRY LAKES
People Served
3KCities Served
2Above Guidelines
2View Details →
TOWN OF MOUNTAIN LAKE PARK
People Served
3KCities Served
1Above Guidelines
1View Details →
TOWN OF NORTH BEACH
People Served
3KCities Served
1View Details →
TOWN OF LEONARDTOWN
People Served
3KCities Served
1View Details →
CEDAR COVE
People Served
3KCities Served
2Above Guidelines
2View Details →
TOWN OF ST. MICHAELS
People Served
3KCities Served
1EPA Violations
3Above Guidelines
1View Details →
FOUNTAINDALE SOUTH
People Served
3KCities Served
1View Details →
SMITHSBURG WATER SYSTEM
People Served
3KCities Served
1Above Guidelines
1View Details →
FEDERALSBURG WATER SYSTEM
People Served
2KCities Served
1Above Guidelines
1View Details →
EMMITSBURG WATER SYSTEM
People Served
2KCities Served
1Above Guidelines
1View Details →
LAKE VILLAGE TOWNHOMES
People Served
2KCities Served
2Above Guidelines
2View Details →
TOWN OF WILLIAMSPORT DISTRIBUTION SYSTEM
People Served
2KCities Served
2View Details →
HERALD HARBOR
People Served
2KCities Served
1View Details →
WESTERNPORT WATER SYSTEM
People Served
2KCities Served
1Above Guidelines
1View Details →
TOWN OF HURLOCK
People Served
2KCities Served
1View Details →
PERRY POINT V.A. MEDICAL CENTER
People Served
2KCities Served
2View Details →
BEACHES WATER CO-OPERATIVE
People Served
2KCities Served
1Above Guidelines
2View Details →
ROCK HALL WATER SYSTEM
People Served
2KCities Served
1Above Guidelines
1View Details →
HEBRON WATER SYSTEM
People Served
2KCities Served
3Above Guidelines
8View Details →
KNOLLS OF WINDSOR
People Served
2KCities Served
1View Details →
MYERSVILLE WATER SYSTEM
People Served
2KCities Served
1Above Guidelines
1View Details →
WATERSIDE
People Served
2KCities Served
1View Details →
TOWN OF PITTSVILLE
People Served
2KCities Served
1View Details →
TOWN OF FUNKSTOWN DISTRIBUTION SYSTEM
People Served
1KCities Served
2View Details →
WICOMICO SHORES
People Served
1KCities Served
2View Details →
SHERWOOD FOREST WATER COMPANY
People Served
1KCities Served
1Above Guidelines
1View Details →
TOWN OF TRAPPE
People Served
1KCities Served
1View Details →
HIGHFIELD
People Served
1KCities Served
1View Details →
TOWN OF NEW WINDSOR
People Served
1KCities Served
1Above Guidelines
2View Details →
SAM HILL ESTATES
People Served
1KCities Served
1View Details →
BRETON BAY
People Served
1KCities Served
2View Details →
MCHENRY WATER SYSTEM
People Served
1KCities Served
2View Details →
TOWN OF WILLARDS
People Served
1KCities Served
1View Details →
HOLIDAY MOBILE ESTATES, INC.
People Served
1KCities Served
1View Details →
CLIFFTON ON THE POTOMAC
People Served
1KCities Served
1Above Guidelines
2View Details →
TOWN OF OXFORD
People Served
1KCities Served
1Above Guidelines
1View Details →
HUNTING QUARTERS
People Served
1KCities Served
2View Details →
TOWN OF QUEENSTOWN
People Served
1KCities Served
1Above Guidelines
2View Details →
TOWN OF PRESTON
People Served
1KCities Served
1Above Guidelines
1View Details →
MOUNT AETNA
People Served
1KCities Served
1View Details →
MARTINGHAM UTILITIES COOPERATIVE
People Served
1KCities Served
1Above Guidelines
1View Details →
TOWN OF CHESAPEAKE CITY [FORMERLY SOUTH]
People Served
1KCities Served
1View Details →
HUNTERS BROOKE/FALCON RIDGE SUBD
People Served
1KCities Served
1Above Guidelines
1View Details →
GRASONVILLE
People Served
1KCities Served
1View Details →
TOWN OF SECRETARY
People Served
1KCities Served
1Above Guidelines
1View Details →
BEACH HARBOR
People Served
0KCities Served
1Above Guidelines
2View Details →
TOWN OF EAST NEW MARKET
People Served
0KCities Served
1View Details →
BONNIE BROOK
People Served
0KCities Served
1View Details →
TOWN OF KITZMILLER
People Served
0KCities Served
1View Details →
ST. LEONARD
People Served
0KCities Served
2Above Guidelines
1View Details →
CHELTENHAM BOYS VILLAGE
People Served
0KCities Served
1View Details →
BEL ALTON
People Served
0KCities Served
1Above Guidelines
2View Details →
LODGECLIFFE DISTRIBUTION SYSTEM
People Served
0KCities Served
1View Details →
TOWN OF ACCIDENT
People Served
0KCities Served
1Above Guidelines
1View Details →
CHAPEL POINT WDS/ JUDE HOUSE/ COMM CTR
People Served
0KCities Served
1Above Guidelines
2View Details →
GIBSON ISLAND
People Served
0KCities Served
1View Details →
TOWN OF DEER PARK
People Served
0KCities Served
1View Details →
ROSE HAVEN
People Served
0KCities Served
1View Details →
ELLENWOOD
People Served
0KCities Served
1View Details →
SAINT JAMES SCHOOL
People Served
0KCities Served
1View Details →
MARIELLEN PARK
People Served
0KCities Served
1View Details →
MAPLE HILL MOBILE ESTATES
People Served
0KCities Served
1View Details →
MOUNT CARMEL WOODS
People Served
0KCities Served
1View Details →
NEWTOWN VILLAGE
People Served
0KCities Served
1View Details →
TURKEY HILL WATER COMPANY
People Served
0KCities Served
1Above Guidelines
2View Details →
LIBERTYTOWN EAST
People Served
0KCities Served
1View Details →
ELK RIDGE LAKE
People Served
0KCities Served
1View Details →
ST. MARTINS BY THE BAY
People Served
0KCities Served
1View Details →
GREEN MEADOWS COMPACT HOMES
People Served
0KCities Served
1View Details →
BAYVIEW AT KENT NARROWS
People Served
0KCities Served
1Above Guidelines
1View Details →
BAYSIDE VILLAGE
People Served
0KCities Served
1View Details →
TAYLORSVILLE MHC, LLC
People Served
0KCities Served
1View Details →
PORT REPUBLIC WATER SYSTEM
People Served
0KCities Served
1Above Guidelines
2View Details →
ST. LEONARD WATER SYSTEM
People Served
0KCities Served
1Above Guidelines
2View Details →
UNION BRIDGE WATER SYSTEM
People Served
0KCities Served
1Above Guidelines
1View Details →
Need contact data for Maryland utilities?
Water operators in Maryland
If you run a water utility in Maryland, you're subject to the EPA CCR Rule (40 CFR 141.151) enforced by the state drinking-water program. The 2027 revised rule adds direct-URL delivery requirements effective January 1, 2027, with the first compliant report due July 1, 2027. See our 2027 CCR Rule summary for requirements that apply to your utility.
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