Utilities in Maryland
8,042 systems (SDWIS/Fed snapshot). Search or browse pages — open any row for PFAS monitoring, violation counts, and filter recommendations.
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WALLACE TEMPLE CHURCH
MD1091152 · 25 served
WALLBANGERS AND HARBORSIDE
MD1231110 · 885 served
WALNUT CREEK
MD0040035 · 158 served
WALSTON SWITCH SUNOCO
MD1221133 · 105 served
WALSTONS MOBILE HOME PARK
MD0220217 · 165 served
WALTER F. PERKINS
MD1121095 · 25 served
WALTER KIND PLUMBING
MD1101206 · 25 served
WALTER POLK AMERICAN LEGION
MD1191098 · 0 served
WALTONS MOBILE HOME PARK
MD1111107 · 25 served
WAPITI/THE WILDERNESS RETREAT
MD1071379 · 150 served
WARD FARM PARK WELL 1
MD1041279 · 60 served
WARDS CASH MARKET
MD1221095 · 25 served
WARDS CHAPEL UMC AND PRESCHOOL
MD1031171 · 28 served
WARDS CHAPEL VILLAGE
MD1030078 · 25 served
WARDS MEMORIAL UNITED METHODIST CHURCH
MD1041139 · 99 served
WAREHOUSE CINEMAS LEITERSBURG
MD1211019 · 510 served
WARING ASSOC WTR CO
MD0002838 · 198 served
WARREN DENTON SEAFOOD
MD1041088 · 25 served
WARWICK HOSPITALITY, INC
MD1071186 · 92 served
WARWICK MANOR BEHAVIORAL HEALTH
MD1090008 · 52 served
WARWICK MANOR REHAB CENTER
MD0090223 · 40 served
WARWICK MUSHROOM FARM
MD1070062 · 265 served
WASHINGTON CO AGRIC CENTER
MD1211177 · 503 served
WASHINGTON HUNTERS OAK TAVERN
MD1171215 · 50 served
WASHINGTON MONUMENT ST PK RANGER STA
MD1211072 · 306 served
WASHINGTON MONUMENT STATE PARK-PICNIC
MD1211190 · 300 served
WASHINGTON PARK
MD0002260 · 60 served
WASHINGTON SUBURBAN SANITARY C
MD0002489 · 1,300,000 served
WASHINGTON SUBURBAN SANITARY COMMISSION
MD0150005 · 1,900,000 served
WASTE MANAGEMENT
MD1231281 · 24 served
WATERMANS CAFE
MD1091131 · 25 served
WATERMANS SEAFOOD
MD1231119 · 240 served
WATERMANS, LONDONTOWNE WINE - SIRITS
MD1021180 · 61 served
WATERMELON STATION
MD1181344 · 25 served
WATERS CHURCH
MD1091156 · 25 served
WATERS EDGE MOBILE HOME PARK
MD1111084 · 25 served
WATERS LANDING GOLF PARK
MD1151079 · 100 served
WATERS MEMORIAL UM CHURCH
MD1041089 · 130 served
WATERSIDE
MD0100029 · 1,509 served
WATERVIEW INN
MD1181017 · 32 served
WATERVIEW TRAILER PARK
MD0000008 · 51 served
WATTS CENTER
MD1061329 · 31 served
WATTY'S TWIN KISS
MD1031172 · 25 served
WAUGH CHAPEL EXXON SERVICE STATION
MD1021649 · 27 served
WAUGH U.M. CHURCH
MD1031261 · 25 served
WAVERLY MANSION
MD1131094 · 25 served
WAWA (CHARLOTTE HALL)
MD1181342 · 25 served
WAWA # 585
MD1071296 · 89 served
WAWA # 595
MD1021741 · 920 served
WAWA #532
MD1021336 · 620 served