Browse Water Systems
22,144 public water systems in WI.
Public Water Systems Database
Browse 22,144 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 |
|---|---|---|---|---|
| FITCHBURG UTILITY DIST 1 SOUTH | WI1131004 | Wisconsin | Community | 350 |
| SCOUTING AMERICA CAMP LONG LAKE 3 CAMPMASTERS HOUSE | WI4200793 | Wisconsin | Transient Non-Community | 350 |
| SCOUTING AMERICA CAMP LONG LAKE DINING HALL | WI4200720 | Wisconsin | Transient Non-Community | 350 |
| NORTHWOOD SCHOOL | WI8660738 | Wisconsin | Non-Transient Non-Community | 350 |
| GRANTON WATERWORKS | WI6100327 | Wisconsin | Community | 349 |
| POUND WATERWORKS | WI4380444 | Wisconsin | Community | 349 |
| EMBARRASS WATERWORKS | WI4690393 | Wisconsin | Community | 347 |
| CURTISS WATERWORKS | WI6100339 | Wisconsin | Community | 346 |
| FRIESLAND WATERWORKS | WI1110099 | Wisconsin | Community | 345 |
| NORWAY EV LUTHERAN CHURCH AND MUSTARD SEED PRESCHOOL | WI2520249 | Wisconsin | Non-Transient Non-Community | 345 |
| WINTER WATERWORKS | WI8580534 | Wisconsin | Community | 344 |
| EASTMAN WATERWORKS | WI6120243 | Wisconsin | Community | 342 |
| PINE VIEW MOBILE HOME PARK | WI6320320 | Wisconsin | Community | 342 |
| TAYCHEEDAH CORRECTIONAL INST | WI4200478 | Wisconsin | Community | 340 |
| BADGER PRAIRIE HEALTH CARE CENTER | WI1130261 | Wisconsin | Community | 340 |
| BERKOTS | WI2301184 | Wisconsin | Non-Transient Non-Community | 340 |
| ST JOHNS NORTHWESTERN ACADEMIES | WI2680761 | Wisconsin | Community | 340 |
| ROSHOLT ELEM SCHOOL | WI7500704 | Wisconsin | Non-Transient Non-Community | 338 |
| LOWELL WATERWORKS | WI1140152 | Wisconsin | Community | 337 |
| ST PAULS LUTHERAN SCHOOL | WI2410709 | Wisconsin | Non-Transient Non-Community | 335 |
| COPA CABANA RESORT HOTEL & SUITES | WI1570622 | Wisconsin | Non-Transient Non-Community | 335 |
| LAKEWOOD SUPERVALU | WI4430369 | Wisconsin | Non-Transient Non-Community | 335 |
| HAWKINS WATERWORKS | WI8550129 | Wisconsin | Community | 333 |
| WILLOW SPRINGS SCHOOL | WI2680451 | Wisconsin | Non-Transient Non-Community | 332 |
| CEDAR LAKE HOME 5 | WI2670123 | Wisconsin | Community | 330 |
| FAIRBANKS MORSE ENGINE DIV | WI1540314 | Wisconsin | Non-Transient Non-Community | 330 |
| LANNOYE ELEMENTARY SCHOOL | WI4050687 | Wisconsin | Non-Transient Non-Community | 330 |
| SHORELAND LUTHERAN HIGH SCHOOL | WI2300340 | Wisconsin | Non-Transient Non-Community | 330 |
| BITTERSWEET RESTAURANT & PUB | WI4700598 | Wisconsin | Transient Non-Community | 330 |
| LANNON ELEMENTARY SCHOOL | WI2680704 | Wisconsin | Non-Transient Non-Community | 330 |
| MARCY ELEMENTARY SCHOOL | WI2680942 | Wisconsin | Non-Transient Non-Community | 330 |
| CHRIST THE KING LUTHERAN CHURCH BROOKFIELD | WI2680430 | Wisconsin | Transient Non-Community | 328 |
| HWY 51 TRUCKSTOP RESTAURANT/FRIENDSHIP HOUSE | WI7350436 | Wisconsin | Non-Transient Non-Community | 328 |
| UNIVERSITY LAKE LOWER SCHOOL | WI2685764 | Wisconsin | Non-Transient Non-Community | 325 |
| THE CHAPEL WHITEWATER | WI2651863 | Wisconsin | Transient Non-Community | 325 |
| WEASLER ENGINEERING | WI2670196 | Wisconsin | Non-Transient Non-Community | 325 |
| TAN OAK APTS | WI2301080 | Wisconsin | Community | 325 |
| WHEATLAND CENTER SCHOOL ADDITION - MIDDLE SCHOOL | WI2301872 | Wisconsin | Non-Transient Non-Community | 325 |
| LAKE SUPERIOR ELEMENTARY SCHOOL | WI8160511 | Wisconsin | Non-Transient Non-Community | 325 |
| SCOUTING AMERICA CAMP LONG LAKE 2 SOUTH SHOWER HOUSE | WI4200786 | Wisconsin | Transient Non-Community | 325 |
| HERZL CAMP HAK 2 EAST BATHROOM | WI8070168 | Wisconsin | Transient Non-Community | 322 |
| HERZL CAMP HAK 1 WEST BATHROOM | WI8070167 | Wisconsin | Transient Non-Community | 322 |
| ROSENDALE MART | WI4201363 | Wisconsin | Transient Non-Community | 322 |
| BIRCH HILL | 055295103 | Wisconsin | Community | 322 |
| SILO RIDGE CLUBHOUSE | WI1281373 | Wisconsin | Transient Non-Community | 322 |
| FOURWINDS MARKET GROCERY STORE | WI8070246 | Wisconsin | Transient Non-Community | 321 |
| FOURWINDS MARKET GAS STATION | WI8070245 | Wisconsin | Transient Non-Community | 321 |
| RICHLAND CENTER INTERMEDIATE SCHOOL | WI1530126 | Wisconsin | Non-Transient Non-Community | 321 |
| MILWAUKEE COUNTRY CLUB TENNIS BLDG | WI2418235 | Wisconsin | Transient Non-Community | 320 |
| OAKLAWN ACADEMY | WI1540717 | Wisconsin | Community | 320 |