Utilities in Iowa
5,351 systems (SDWIS/Fed snapshot). Search or browse pages — open any row for PFAS monitoring, violation counts, and filter recommendations.
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MARATHON LIGHT & WATER DEPARTMENT
IA1150030 · 230 served
MARBLE ROCK WATER SUPPLY
IA3420031 · 272 served
MARCUS WATER SUPPLY
IA1838032 · 1,079 served
MARDAN COURT MHP
IA4400601 · 70 served
MARENGO GOLF CLUB
IA4843897 · 35 served
MARENGO WATER SUPPLY
IA4843033 · 2,435 served
MARGO FRANKEL STATE PARK
IA7700931 · 25 served
MARION CO. RURAL WATER DISTRICT
IA6342711 · 5,687 served
MARION COUNTY CONSERVATION
IA6368977 · 150 served
MARION FINESTEAD WATER SYSTEM
IA2537899 · 40 served
MARION LUTHERAN CHURCH
IA0375872 · 25 served
MARION MUNICIPAL WATER DEPT
IA5751035 · 41,623 served
MARION VILLAGE
IA5751601 · 850 served
MARIPOSA PK-JASPER CONSERVATIO
IA5038965 · 250 served
MARJO MOTEL
IA2825713 · 25 served
MARK TWAIN MEADOWS HOMEOWNERS
IA7048301 · 375 served
MARK'S LOCKER PLANT
IA1080812 · 190 served
MARLEE & ME'S BAR AND GRILL LLC
IA4982201 · 53 served
MARLERP COCKTAIL
IA4453201 · 25 served
MARLEY'S CAFE
IA4458701 · 50 served
MARNE WATER SUPPLY
IA1552040 · 149 served
MARQUETTE CATHOLIC SCHOOL
IA5633530 · 136 served
MARQUETTE WATER SUPPLY
IA2256041 · 429 served
MARR PARK
IA9203461 · 148 served
MARSHALL COUNTY CARE FACILITY
IA6400901 · 200 served
MARSHALLTOWN AVIATION
IA6469859 · 25 served
MARSHALLTOWN ESTATES
IA6400628 · 382 served
MARSHALLTOWN WATER WORKS
IA6469042 · 27,591 served
MARTELLE WATER WORKS
IA5337046 · 249 served
MARTELLES MOBILE HOME PARK 1
IA0330653 · 100 served
MARTENSDALE WATER SUPPLY
IA9147047 · 421 served
MARTHA BENDER HOME
IA9233203 · 47 served
MARTHA GOBEL ADDITION
IA0330301 · 40 served
MARTHAS HILLTOP BAR & GRILL
IA4953202 · 34 served
MARTIN MARIETTA AGGREGATES
IA4260102 · 33 served
MARTIN ORCHARDS
IA7820801 · 310 served
MARTIN SUBDIVISION
IA5225385 · 31 served
MARTIN-LIT SIOUX-CHER CONSERVA
IA1811905 · 25 served
MARTINACHES MOBIL HOME PARK
IA6300600 · 80 served
MARVIN 66 STATION
IA5847716 · 250 served
MARYVILLE CAFE
IA3307704 · 62 served
MASON CITY AIRPORT
IA1750097 · 183 served
MASON CITY DRIVE-IN THEATER
IA1750201 · 64 served
MASON CITY MOTEL
IA1750709 · 25 served
MASON CITY RED POWER INC
IA1750204 · 38 served
MASON CITY WATER DEPARTMENT
IA1750048 · 27,338 served
MASON'S DX
IA1509724 · 100 served
MASSENA WATER SUPPLY
IA1558055 · 364 served
MASSEY FISHERMANS WHARF
IA3126204 · 52 served
MASSEY MARINA
IA3126438 · 100 served