Browse Water Systems
23,977 public water systems in WI.
Public Water Systems Database
Browse 23,977 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 |
|---|---|---|---|---|
| ST PAULS LUTHERAN SCHOOL | WI2410709 | 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 |
| FAIRBANKS MORSE ENGINE DIV | WI1540314 | Wisconsin | Non-Transient Non-Community | 330 |
| LANNON ELEMENTARY SCHOOL | WI2680704 | 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 |
| MARCY ELEMENTARY SCHOOL | WI2680942 | Wisconsin | Non-Transient Non-Community | 330 |
| CEDAR LAKE HOME 5 | WI2670123 | Wisconsin | Community | 330 |
| CHURCH OF THE RESURRECTION | WI2685864 | Wisconsin | Non-Transient Non-Community | 330 |
| BITTERSWEET RESTAURANT & PUB | WI4700598 | Wisconsin | 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 |
| LAKE SUPERIOR ELEMENTARY SCHOOL | WI8160511 | Wisconsin | Non-Transient Non-Community | 325 |
| TAN OAK APTS | WI2301080 | Wisconsin | Community | 325 |
| UNIVERSITY LAKE LOWER SCHOOL | WI2685764 | Wisconsin | Non-Transient Non-Community | 325 |
| THE CHAPEL WHITEWATER | WI2651863 | Wisconsin | Transient Non-Community | 325 |
| SCOUTING AMERICA CAMP LONG LAKE 2 SOUTH SHOWER HOUSE | WI4200786 | Wisconsin | Transient Non-Community | 325 |
| WEASLER ENGINEERING | WI2670196 | Wisconsin | Non-Transient Non-Community | 325 |
| WHEATLAND CENTER SCHOOL ADDITION - MIDDLE SCHOOL | WI2301872 | Wisconsin | Non-Transient Non-Community | 325 |
| TRINITY LUTHERAN CH | WI4600636 | Wisconsin | Transient Non-Community | 323 |
| ROSENDALE MART | WI4201363 | Wisconsin | Transient Non-Community | 322 |
| SILO RIDGE CLUBHOUSE | WI1281373 | Wisconsin | Transient Non-Community | 322 |
| HERZL CAMP HAK 2 EAST BATHROOM | WI8070168 | Wisconsin | Transient Non-Community | 322 |
| HERZL CAMP HAK 1 WEST BATHROOM | WI8070167 | Wisconsin | Transient Non-Community | 322 |
| BIRCH HILL | 055295103 | Wisconsin | Community | 322 |
| RICHLAND CENTER INTERMEDIATE SCHOOL | WI1530126 | Wisconsin | Non-Transient Non-Community | 321 |
| FOURWINDS MARKET GROCERY STORE | WI8070246 | Wisconsin | Transient Non-Community | 321 |
| FOURWINDS MARKET GAS STATION | WI8070245 | Wisconsin | Transient Non-Community | 321 |
| MILWAUKEE COUNTRY CLUB CLUBHOUSE | WI2410881 | Wisconsin | Transient Non-Community | 320 |
| COUNTRY MART | WI2671395 | Wisconsin | Transient Non-Community | 320 |
| LEROY SANITARY DISTRICT 1 | WI1140155 | Wisconsin | Community | 320 |
| ROAD AMERICA TURN 1 WELL | WI4602288 | Wisconsin | Transient Non-Community | 320 |
| ST JOHNS LUTHERAN SCHOOL | WI2680703 | Wisconsin | Non-Transient Non-Community | 320 |
| TOWER JUNCTION | WI1250055 | Wisconsin | Transient Non-Community | 320 |
| SILVER SPRINGS CAMPSITES HILLTOP WELL | WI1110234 | Wisconsin | Transient Non-Community | 320 |
| MILWAUKEE COUNTRY CLUB TENNIS BLDG | WI2418235 | Wisconsin | Transient Non-Community | 320 |
| RIVERBEND INVESTMENTS 1 HOUSE | WI1280242 | Wisconsin | Transient Non-Community | 320 |
| SILVER SPRINGS CAMPSITES OFFICE AND POOL | WI1110235 | Wisconsin | Transient Non-Community | 320 |
| OAKLAWN ACADEMY | WI1540717 | Wisconsin | Community | 320 |
| Hardee's | MN5210396 | Wisconsin | Transient Non-Community | 320 |
| STOP N GO 257 | WI1130349 | Wisconsin | Transient Non-Community | 320 |
| MERRILL HILLS COUNTRY CLUB | WI2680386 | Wisconsin | Transient Non-Community | 319 |
| RIVERMOOR GOLF CLUB | WI2520388 | Wisconsin | Transient Non-Community | 319 |
| WHEELER WATERWORKS ASSOC | WI6170274 | Wisconsin | Community | 317 |
| ASIA RESTAURANT | WI2680570 | Wisconsin | Transient Non-Community | 317 |
| OAKDALE WATERWORKS | WI6420069 | Wisconsin | Community | 317 |
| CIMAROLIS SUPPER CLUB | WI1110327 | Wisconsin | Transient Non-Community | 316 |
| LINCOLN HILLS SCHOOL | WI7350121 | Wisconsin | Community | 316 |