Browse Water Systems

5,286 public water systems in IA.

Public Water Systems Database

Browse 5,286 EPA-regulated public water systems with identifiers, population served, and water source type. Use the filters below to narrow results by state, system type, or name.

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System Name PWSID State Type Population Served
FT MADISON MUNI WATER WORKS IA5625062 Iowa Community 11,087
PLEASANT HILL WATER DEPARTMENT IA7767092 Iowa Community 11,079
PELLA WATER WORKS DEPARTMENT IA6368033 Iowa Community 11,052
LEMARS WATER DEPARTMENT IA7540174 Iowa Community 10,571
WAVERLY WATER DEPARTMENT IA0990085 Iowa Community 10,394
CARROLL MUNICIPAL WATER SUPPLY IA1415072 Iowa Community 10,184
LAKE-VU MOTEL IA3070716 Iowa Transient Non-Community 10,000
GIBSON'S SPORTING GOODS IA3070863 Iowa Transient Non-Community 10,000
CROWS NEST CAMP GROUNDS IA3070419 Iowa Transient Non-Community 10,000
SILVER LAKE CO. CREEK IA3045970 Iowa Transient Non-Community 10,000
KEOKUK MUNICIPAL WATER WORKS IA5640019 Iowa Community 9,900
FAIRFIELD WATER SUPPLY IA5131033 Iowa Community 9,821
MAHASKA RURAL WATER SYSTEM, INC. IA6273901 Iowa Community 9,818
GRINNELL WATER DEPARTMENT IA7930008 Iowa Community 9,564
BONDURANT MUNI WATER SUPPLY IA7717032 Iowa Community 9,393
DENISON WATER SUPPLY IA2424027 Iowa Community 9,381
MOUNT PLEASANT MUNICIPAL UTILITIES IA4453016 Iowa Community 9,274
IOWA LAKES REGIONAL WATER - OSGOOD IA3060001 Iowa Community 8,500
KNOXVILLE WATER WORKS IA6342036 Iowa Community 8,400
RATHBUN REG WTR ASSN (BURLINGTON) IA0400902 Iowa Community 8,375
SIOUX CENTER MUNICIPAL WATER DEPARTMENT IA8486053 Iowa Community 8,231
PERRY MUNICIPAL WATER WORKS IA2561036 Iowa Community 7,836
WEBSTER CITY WATER SUPPLY IA4063094 Iowa Community 7,825
CLEAR LAKE WATER DEPARTMENT IA1716076 Iowa Community 7,687
DECORAH WATER DEPARTMENT IA9630012 Iowa Community 7,615
SOUTHEAST POLK RWD IA7774701 Iowa Community 7,565
CRESTON WATER SUPPLY IA8816089 Iowa Community 7,536
CHARLES CITY WATER SUPPLY IA3405012 Iowa Community 7,446
WASHINGTON WATER DEPARTMENT IA9271068 Iowa Community 7,362
ATLANTIC MUNICIPAL UTILITIES IA1509074 Iowa Community 7,252
HIAWATHA WATER DEPT IA5735045 Iowa Community 7,183
OSCEOLA RURAL WATER SYSTEM-NORTH IA7227701 Iowa Community 7,002
NEVADA WATER SUPPLY IA8562044 Iowa Community 6,925
IOWA LAKES REGIONAL WATER IA2100701 Iowa Community 6,755
ELDRIDGE WATER SUPPLY IA8230008 Iowa Community 6,726
POLK CITY WATER SUPPLY IA7770050 Iowa Community 6,533
ADEL MUNICIPAL WATER WORKS IA2503003 Iowa Community 6,461
ORANGE CITY MUNICIPAL WATER DEPARTMENT IA8474097 Iowa Community 6,267
SPIRIT LAKE WATERWORKS IA3070078 Iowa Community 6,167
GENESIS E CAMPUS HOSPITAL EMG WELL IA8222102 Iowa Non-Transient Non-Community 6,165
MAQUOKETA MUNICIPAL WATER IA4950029 Iowa Community 6,128
XENIA RWD (NORTH) IA9425701 Iowa Community 6,122
INDEPENDENCE WATER DEPT IA1037070 Iowa Community 6,064
IOWA TEST 3 IA0000003 Iowa Community 6,000
ASBURY MUNICIPAL WATER SYSTEM IA3102001 Iowa Community 5,943
OELWEIN MUNICIPAL WATER WORKS IA3353088 Iowa Community 5,920
ESTHERVILLE WATER TREATMENT PLANT IA3218024 Iowa Community 5,904
MARION CO. RURAL WATER DISTRICT IA6342711 Iowa Community 5,687
RED OAK WATER SUPPLY IA6950075 Iowa Community 5,596
AVIONICS GROUP IA5715148 Iowa Non-Transient Non-Community 5,525