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.
| 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 |