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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MARLBORO SQUARE
MD1160001 · 25 served
MARLEY RUN
MD0040053 · 290 served
MARLEY RUN RECREATION AREA
MD1041158 · 65 served
MARLEY STATION SHELL
MD1021623 · 25 served
MARLIN PARK PLAZA
MD1230044 · 30 served
MARRIOTTSVILLE QUARRY
MD1030023 · 21 served
MARRIOTTSVILLE SPIRITUAL CENTER
MD1131025 · 25 served
MARSH TRAILER PARK
MD0010214 · 48 served
MARSHALL HALL MOBILE HOME PARK
MD0000048 · 45 served
MARSHALL HALL MOBILE HOME PARK
MD0080206 · 16 served
MARSHALL SEAFOOD
MD1081143 · 40 served
MARTIN FISH COMPANY
MD1231058 · 55 served
MARTIN MARIETTA
MD1100027 · 50 served
MARTIN MARIETTA - CHURCHVILLE QUARRY
MD1120039 · 37 served
MARTIN MARIETTA MAT/PINESBURG QUARRY
MD1210019 · 17 served
MARTINAK STATE PARK
MD1051015 · 130 served
MARTINGHAM ESTATES
MD0002573 · 46 served
MARTINGHAM UTILITIES COOPERATIVE
MD0200004 · 675 served
MARTINS GROCERY
MD1101128 · 25 served
MARTINS MOUNTAIN
MD0010046 · 32 served
MARY MILLER LLC
MD1101378 · 780 served
MARY'S CRAB DECK
MD1061133 · 25 served
MARYLAND AMERICAN WATER COMPANY
MD0120003 · 13,200 served
MARYLAND AMERICAN WATER--SEVERN SYSTEM
MD0020027 · 5,447 served
MARYLAND CENTRAL KOREAN BAPTIST
MD1020070 · 38 served
MARYLAND CITY PARK
MD1021572 · 30 served
MARYLAND CITY-ANNE ARUNDEL CO
MD0002436 · 4,404 served
MARYLAND CORRECTIONAL INSTITUT
MD0002455 · 2,200 served
MARYLAND COUNTRY CLUB SNACK BA
MD1121073 · 200 served
MARYLAND ENVIRONMENTAL SERVICE
MD1020133 · 152 served
MARYLAND FARM BUREAU
MD1021616 · 0 served
MARYLAND GOLF & CC RESTAURANT
MD1121117 · 100 served
MARYLAND HEALTH SOCIETY/ CAMP MAHESO
MD1021416 · 63 served
MARYLAND HOUSE OF CORRECTION
MD0002500 · 6,500 served
MARYLAND HOUSE OF CORRECTION
MD0020022 · 6,500 served
MARYLAND JAYCEES CENTER
MD1061158 · 25 served
MARYLAND LINE U M CHURCH
MD1031230 · 96 served
MARYLAND LINE VOL FIRE CO
MD1031108 · 29 served
MARYLAND MALLET
MD1061066 · 200 served
MARYLAND MANOR
MD0002251 · 438 served
MARYLAND MANOR HOMES
MD0002470 · 780 served
MARYLAND MANOR MHP(SEE 0180007
MD0180219 · 0 served
MARYLAND MANOR MOBILE HOME PARK
MD0020214 · 810 served
MARYLAND MANOR MOTEL
MD1071284 · 31 served
MARYLAND MOTOR COURT
MD1161065 · 38 served
MARYLAND NATIONAL GOLF CLUB
MD1101324 · 213 served
MARYLAND RED CROSS
MD1220034 · 25 served
MARYLAND SEAFOOD
MD1181108 · 25 served
MARYLAND STATE GAME & FISH
MD1031109 · 25 served
MARYLAND STATE POLICE FIRING RANGE
MD1031207 · 45 served