PFAS contamination data for 23,959 water systems in Wisconsin, serving 4,741,666 people.
PFOA MCL: 20 ppt(EPA: 4 ppt)
PFOS MCL: 20 ppt(EPA: 4 ppt)
WI recommended groundwater standards: PFOA 20 ppt, PFOS 20 ppt. Proposed combined PFOA+PFOS standard of 70 ppt.
Wisconsin has proposed PFAS groundwater standards. Extensive contamination around Marinette (Tyco/Johnson Controls) and military installations.
Serious SDWA violator: NEWPORT RESORT, Egg Harbor, WI
PWS ID: WI4151925. County: Door
2026-05-11 · Read more →
Serious SDWA violator: PLUM PETROLEUM LLC, Plum City, WI
PWS ID: WI6480584. County: Pierce
2026-05-11 · Read more →
Serious SDWA violator: GLEN FLORA WATERWORKS, Glen Flora, WI
PWS ID: WI8550454. County: Rusk
2026-05-11 · Read more →
Free eligibility check — plus weekly MCL, deadline, and funding alerts for Wisconsin.
| System | City | Population | PFOA (ppt) | PFOS (ppt) | Status |
|---|---|---|---|---|---|
| MILWAUKEE WATERWORKS WI2410100 | MILWAUKEE | 626,000 | — | — | Compliant |
| MADISON WATER UTILITY WI1130224 | MADISON | 272,000 | — | — | Compliant |
| GREEN BAY WATERWORKS WI4050356 | GREEN BAY | 107,369 | — | — | Compliant |
| RACINE WATERWORKS WI2520062 | RACINE | 105,100 | — | — | Compliant |
| KENOSHA WATER UTILITY WI2300046 | KENOSHA | 99,218 | — | — | Compliant |
| APPLETON WATERWORKS WI4450333 | APPLETON | 74,511 | — | — | Compliant |
| WAUKESHA WATER UTILITY WI2680238 | WAUKESHA | 70,718 | — | — | Compliant |
| EAU CLAIRE WATERWORKS |
PWS ID: WI1140152. County: Dodge
2026-05-11 · Read more →
Serious SDWA violator: OLD TOWN HALL THE, Townsend Tn, WI
PWS ID: WI4430889. County: Oconto
2026-05-11 · Read more →
| EAU CLAIRE |
| 70,587 |
| — |
| — |
| Exceeds |
| JANESVILLE WATER UTILITY WI1540127 | JANESVILLE | 64,415 | — | — | Compliant |
| WEST ALLIS WATERWORKS WI2410595 | West Allis | 63,240 | — | — | Compliant |
| OSHKOSH WATERWORKS WI4710457 | OSHKOSH | 63,000 | — | — | Compliant |
| LA CROSSE WATERWORKS WI6320309 | LA CROSSE | 53,000 | 5.1 | 5.5 | Exceeds |
| SHEBOYGAN WATER UTILITIES WI4600354 | SHEBOYGAN | 49,931 | — | — | Compliant |
| WAUWATOSA WATERWORKS WI2410596 | Wauwatosa | 49,064 | — | — | Compliant |
| FOND DU LAC WATERWORKS WI4200469 | FOND DU LAC | 44,303 | — | — | Compliant |
| WAUSAU WATERWORKS WI7370102 | WAUSAU | 39,994 | — | — | Compliant |
| BELOIT CITY OF WI1540112 | BELOIT | 36,677 | — | — | Compliant |
| NORTH SHORE WATER COMMISSION WI2413515 | MILWAUKEE | 35,598 | — | — | Compliant |
| MANITOWOC WATERWORKS WI4360364 | MANITOWOC | 34,500 | — | — | Compliant |
| SUN PRAIRIE UTILITIES WI1130258 | SUN PRAIRIE | 33,966 | — | — | Compliant |
| OAK CREEK WATERWORKS WI2410172 | Oak Creek | 32,104 | — | — | Compliant |
| WEST BEND WATERWORKS WI2670120 | WEST BEND | 31,752 | 6.5 | — | Exceeds |
| BROOKFIELD WATER UTILITY WI2680253 | Brookfield | 29,070 | — | — | Compliant |
| NEW BERLIN WATER UTILITY WI2680217 | NEW BERLIN | 27,899 | — | — | Compliant |
| NEENAH WATERWORKS WI4710348 | NEENAH | 27,506 | — | — | Compliant |
| STEVENS POINT WATERWORKS WI7500141 | STEVENS POINT | 26,717 | — | — | Compliant |
| SUPERIOR WATER LIGHT & POWER COMPANY WI8160147 | SUPERIOR | 26,084 | — | — | Compliant |
| DE PERE WATERWORKS SA 1 WI4050453 | DE PERE | 25,660 | — | — | Compliant |
| FITCHBURG UTILITY DIST 1 WI1130231 | FITCHBURG | 24,500 | — | — | Compliant |
| WATERTOWN WATERWORKS WI1280044 | WATERTOWN | 23,945 | — | — | Compliant |
| MIDDLETON WATERWORKS WI1130242 | MIDDLETON | 23,868 | — | — | Compliant |
| MENOMONEE FALLS WW - SURFACE WATER WI2680082 | MENOMONEE FALLS | 23,867 | — | — | Compliant |
| FRANKLIN WATER UTILITY WI2410563 | FRANKLIN | 22,500 | — | — | Compliant |
| CALEDONIA WATER UTILITY - VILLAGE OF WI2520184 | RACINE | 21,819 | — | — | Compliant |
| GRAND CHUTE TN SAN DIST 1 WI4450429 | GRAND CHUTE | 21,583 | — | — | Compliant |
| SOUTH MILWAUKEE WATERWORKS WI2410144 | SOUTH MILWAUKEE | 21,340 | — | — | Compliant |
| HOWARD WATERWORKS WI4050468 | GREEN BAY | 21,133 | — | — | Compliant |
| GERMANTOWN WATER UTILITY WI2670105 | GERMANTOWN | 20,027 | — | — | Compliant |
| WIS RAPIDS WATER WORKS & LIGHTING COMM WI7720108 | WISCONSIN RAPIDS | 20,000 | — | — | Compliant |
| MARSHFIELD UTILITIES WI7720165 | MARSHFIELD | 18,815 | — | 14 | Exceeds |
| CUDAHY WATERWORKS WI2410169 | Cudahy | 18,659 | — | — | Compliant |
| ONALASKA WATERWORKS WI6320327 | Onalaska | 18,000 | — | — | Compliant |
| FOX CROSSING UTILITIES WEST WI4710358 | NEENAH | 18,000 | — | — | Compliant |
| ASHWAUBENON WATERWORKS WI4050456 | ASHWAUBENON | 17,730 | — | — | Compliant |
| HUDSON WATERWORKS WI6560087 | HUDSON | 17,635 | — | — | Compliant |
| KAUKAUNA UTILITIES WI4450336 | KAUKAUNA | 17,493 | — | — | Compliant |
| BELLEVUE WATERWORKS WI4050459 | GREEN BAY | 16,715 | — | — | Compliant |
| BEAVER DAM WATER UTILITY WI1140059 | BEAVER DAM | 16,200 | — | — | Compliant |
| WESTON MUNICIPAL UTILITIES WI7370163 | WESTON | 16,000 | 5.9 | 13 | Exceeds |
| RIVER FALLS WATERWORKS WI6480246 | River Falls | 16,000 | — | — | Compliant |
| MENOMONIE WATERWORKS WI6170268 | Menomonie | 15,950 | — | — | Compliant |
| OCONOMOWOC WATERWORKS WI2680227 | Oconomowoc | 15,805 | — | — | Compliant |
| HARTFORD WATERWORKS WI2670110 | HARTFORD | 15,805 | 6.8 | 5.5 | Exceeds |
| MENASHA ELEC & WATER UTIL WI4710334 | MENASHA | 15,144 | — | — | Compliant |
| WAUNAKEE WATERWORKS WI1130265 | WAUNAKEE | 14,879 | — | — | Compliant |
| GREENDALE WATERWORKS WI2410571 | Greendale | 14,393 | — | — | Compliant |
| WHITEFISH BAY WATERWORKS WI2410597 | MILWAUKEE | 14,272 | — | — | Compliant |
| ALLOUEZ WATERWORKS WI4050455 | GREEN BAY | 14,156 | — | — | Compliant |
| VERONA WATERWORKS WI1130259 | VERONA | 14,030 | — | — | Compliant |
| WHITEWATER WATERWORKS WI2650056 | WHITEWATER | 14,000 | — | — | Compliant |
| SHOREWOOD WATERWORKS WI2410607 | SHOREWOOD | 13,535 | — | — | Compliant |
| PLOVER WATERWORKS WI7500726 | PLOVER | 13,486 | — | — | Compliant |
| CHIPPEWA FALLS WATERWORKS WI6090456 | CHIPPEWA FALLS | 13,375 | — | — | Compliant |
| STOUGHTON WATERWORKS WI1130078 | STOUGHTON | 13,078 | — | — | Compliant |
| DARBOY SANITARY DIST 1 WI4450117 | APPLETON | 13,024 | — | — | Compliant |
| GLENDALE WATERWORKS WI2410168 | GLENDALE | 12,883 | — | — | Compliant |
| PORT WASHINGTON WATERWORKS WI2460054 | PORT WASHINGTON | 12,853 | — | — | Compliant |
| BROWN DEER WATERWORKS WI2410556 | BROWN DEER | 12,741 | — | — | Compliant |
| BARABOO WATERWORKS WI1570085 | BARABOO | 12,703 | — | — | Compliant |
| FORT ATKINSON WATERWORKS WI1280103 | FORT ATKINSON | 12,390 | — | — | Compliant |
| GRAFTON WATERWORKS WI2460111 | GRAFTON | 12,269 | — | — | Compliant |
| PLATTEVILLE WATERWORKS WI1220115 | PLATTEVILLE | 12,268 | — | — | Compliant |
| CALEDONIA EAST WATER UTILITY DISTRICT WI2520185 | Racine | 12,191 | — | — | Compliant |
| LITTLE CHUTE WATERWORKS WI4450338 | LITTLE CHUTE | 12,168 | — | — | Compliant |
| CEDARBURG L & W COMMISSION WI2460108 | CEDARBURG | 11,800 | — | — | Compliant |
| SUSSEX VILLAGE HALL & WATER UTILITY WI2680233 | Sussex | 11,750 | — | — | Compliant |
| GREENVILLE UTILITIES VIL OF WI4450278 | GREENVILLE | 11,340 | — | — | Compliant |
| TWO RIVERS WATERWORKS WI4360436 | TWO RIVERS | 11,270 | — | — | Compliant |
| OREGON WATERWORKS WI1130251 | OREGON | 11,200 | — | — | Compliant |
| MEQUON WATER UTILITY WI2460112 | MEQUON | 11,152 | — | — | Compliant |
| MARINETTE WATERWORKS WI4380395 | MARINETTE | 10,968 | — | — | Compliant |
| FOX CROSSING UTILITIES EAST WI4710453 | NEENAH | 10,927 | — | — | Compliant |
| NEW RICHMOND WATERWORKS WI6560126 | NEW RICHMOND | 10,824 | — | — | Compliant |
| MONROE WATERWORKS WI1230078 | MONROE | 10,780 | — | — | Compliant |
| PLEASANT PRAIRIE WATER UTILITY WI2300167 | PLEASANT PRAIRIE | 10,754 | — | — | Compliant |
| DEFOREST WATERWORKS WI1130221 | DEFOREST | 10,500 | — | — | Compliant |
| PORTAGE WATERWORKS WI1110039 | PORTAGE | 10,437 | — | — | Compliant |
| ELKHORN WATERWORKS WI2650062 | ELKHORN | 10,317 | — | — | Compliant |
| HOLMEN WATERWORKS WI6320306 | Holmen | 10,147 | — | — | Compliant |
| SPARTA WATERWORKS WI6420297 | Sparta | 10,025 | — | — | Compliant |
| FORT MCCOY NORTH POST WI6420302 | FORT MCCOY | 10,000 | — | — | Compliant |
| REEDSBURG WATERWORKS WI1570102 | REEDSBURG | 9,984 | — | — | Compliant |
| BURLINGTON WATERWORKS WI2520177 | BURLINGTON | 9,958 | — | — | Compliant |
| MILWAUKEE COUNTY GROUNDS WI2410778 | WAUWATOSA | 9,936 | — | — | Compliant |
| STURGEON BAY WATERWORKS WI4150526 | STURGEON BAY | 9,700 | — | 4.2 | Exceeds |
| MCFARLAND WATERWORKS WI1130241 | MCFARLAND | 9,676 | — | — | Compliant |
| MERRILL WATERWORKS WI7350123 | MERRILL | 9,661 | — | — | Compliant |
| ALTOONA WATERWORKS WI6180280 | Altoona | 9,627 | — | — | Compliant |
| COTTAGE GROVE WATERWORKS WI1130218 | COTTAGE GROVE | 9,345 | — | — | Compliant |
| HARTLAND WATERWORKS WI2680205 | HARTLAND | 9,212 | 4.4 | 4.6 | Exceeds |
| SHAWANO WATERWORKS WI4590456 | SHAWANO | 9,200 | — | — | Compliant |
| TOMAH WATERWORKS WI6420254 | TOMAH | 9,192 | — | — | Compliant |
| RICE LAKE WATERWORKS WI6030138 | RICE LAKE | 9,012 | — | — | Compliant |
| PLYMOUTH UTILITIES WI4600446 | PLYMOUTH | 8,964 | — | — | Compliant |
| PEWAUKEE CITY WATER AND SEWER UTILITY WI2680214 | PEWAUKEE | 8,671 | 8.5 | 12 | Exceeds |
| MONONA WATERWORKS WI1130245 | MONONA | 8,624 | — | — | Compliant |
| DELAVAN WATERWORKS WI2650113 | DELAVAN | 8,451 | — | — | Compliant |
| RHINELANDER WATER & WASTEWATER WI7440126 | RHINELANDER | 8,234 | 6.8 | — | Exceeds |
| MUKWONAGO WATERWORKS WI2680209 | MUKWONAGO | 8,190 | — | — | Compliant |
| PEWAUKEE VILLAGE WATERWORKS WI2680229 | PEWAUKEE | 8,166 | — | — | Compliant |
| SHEBOYGAN FALLS UTILITIES WI4600455 | SHEBOYGAN FALLS | 8,165 | — | — | Compliant |
| MUSKEGO WATER UTILITY WI2681741 | MUSKEGO | 8,150 | — | — | Compliant |
| WAUPUN UTILITIES WI1140131 | WAUPUN | 8,056 | — | — | Compliant |
| ASHLAND WATER UTILITY WI8020373 | ASHLAND | 8,000 | — | — | Compliant |
| JEFFERSON WATERWORKS WI1280104 | JEFFERSON | 7,926 | — | — | Compliant |
| JACKSON WATERWORKS WI2670111 | JACKSON | 7,844 | — | — | Compliant |
| ANTIGO WATERWORKS WI7340086 | Antigo | 7,780 | — | — | Compliant |
| MT HOREB WATERWORKS WI1130247 | MOUNT HOREB | 7,756 | — | — | Compliant |
| RIPON WATER UTILITY WI4200476 | RIPON | 7,716 | — | — | Compliant |
| KIMBERLY WATERWORKS WI4450342 | KIMBERLY | 7,608 | — | — | Compliant |
| LEDGEVIEW TN SANITARY DIST 2 WI4051418 | DE PERE | 7,602 | — | — | Compliant |
| NEW LONDON WATERWORKS WI4690398 | NEW LONDON | 7,187 | — | — | Compliant |
| BROOKFIELD ZONE 3 MISSION HGTS WI2680178 | BROOKFIELD | 7,136 | — | — | Compliant |
| LAKE GENEVA UTILITY COMMISSION WI2650066 | Lake Geneva | 7,107 | 4.7 | — | Exceeds |
| KRONENWETTER WATER & SEWER UTILITY WI7371700 | KRONENWETTER | 6,931 | — | — | Compliant |
| FOX POINT WATERWORKS WI2410584 | FOX POINT | 6,808 | — | — | Compliant |
| LAKE HALLIE WATERWORKS VILLAGE OF WI6090849 | LAKE HALLIE | 6,701 | — | — | Compliant |
| TOWN OF BROOKFIELD SAN DIST 4 WI2680239 | BROOKFIELD | 6,419 | — | — | Compliant |
| RIB MOUNTAIN WATER UTILITY WI7370660 | WAUSAU | 6,398 | 5.2 | 9.4 | Exceeds |
| LAKE MILLS WATERWORKS WI1280108 | LAKE MILLS | 6,211 | — | — | Compliant |
| WAUPACA WATERWORKS WI4690402 | WAUPACA | 6,062 | — | 4.3 | Exceeds |
| PRAIRIE DU CHIEN WATERWORKS WI6120250 | PRAIRIE DU CHIEN | 6,005 | — | 11 | Exceeds |
| EVANSVILLE WATERWORKS WI1540047 | EVANSVILLE | 5,703 | — | — | Compliant |
| SLINGER WATER UTILITY WI2670116 | Slinger | 5,659 | — | — | Compliant |
| MILTON WATERWORKS WI1540130 | MILTON | 5,588 | — | — | Compliant |
| BERLIN WATERWORKS WI4240216 | BERLIN | 5,524 | — | — | Compliant |
| EDGERTON WATERWORKS WI1540119 | EDGERTON | 5,512 | — | — | Compliant |
| HARRISON UTILITIES - FKA WAVERLY SD WI4080076 | MENASHA | 5,500 | — | — | Compliant |
| HO CHUNK CASINO WI1570639 | BLACK RIVER FALLS | 5,486 | — | — | Compliant |
| LAWRENCE WATERWORKS WI4051625 | DE PERE | 5,398 | — | — | Compliant |
| WATERFORD WATERWORKS WI2520202 | WATERFORD | 5,368 | — | — | Compliant |
| COLUMBUS UTILITIES WI1110038 | COLUMBUS | 5,173 | — | — | Compliant |
| MAYVILLE WATERWORKS WI1140057 | MAYVILLE | 5,112 | — | — | Compliant |
| RICHLAND CENTER WATERWORKS WI1530068 | RICHLAND CENTER | 5,100 | — | — | Compliant |
| EAST TROY WATERWORKS WI2650123 | EAST TROY | 5,054 | — | — | Compliant |
| WEST SALEM WATERWORKS WI6320334 | WEST SALEM | 5,045 | — | — | Compliant |
| NORTH FOND DU LAC WATERWORKS WI4200405 | NORTH FOND DU LAC | 5,014 | — | — | Compliant |
| STURTEVANT WATERWORKS WI2520195 | Sturtevant | 4,970 | — | — | Compliant |
| SHAWANO LK SAN DIST 1 WI4590457 | SHAWANO | 4,950 | — | — | Compliant |
| UNION GROVE WATERWORKS WI2520200 | UNION GROVE | 4,900 | — | — | Compliant |
| SUAMICO WATERWORKS WI4051031 | SUAMICO | 4,697 | — | — | Compliant |
| CLINTONVILLE UTILITIES WI4690391 | CLINTONVILLE | 4,635 | — | — | Compliant |
| OCONTO WATERWORKS WI4430495 | OCONTO | 4,610 | — | — | Compliant |
| WINDSOR WATER UTILITY SOUTH WI1130267 | WINDSOR | 4,607 | — | — | Compliant |
| SHEBOYGAN TN WATERWORKS WI4600403 | SHEBOYGAN | 4,596 | — | — | Exceeds |
| DODGEVILLE WATERWORKS WI1250079 | DODGEVILLE | 4,583 | — | — | Compliant |
| CAMPBELL, TOWN OF WI6321109 | LA CROSSE | 4,570 | — | — | Compliant |
| MAUSTON WATERWORKS WI7290129 | MAUSTON | 4,456 | — | — | Compliant |
| BALDWIN WATERWORKS WI6560119 | BALDWIN | 4,440 | — | — | Compliant |
| VIROQUA WATERWORKS WI6630263 | VIROQUA | 4,362 | — | — | Compliant |
| ONEIDA #1 OR SITE #1 055295703 | ONEIDA | 4,322 | — | — | Compliant |
| MEDFORD WATERWORKS WI8610125 | MEDFORD | 4,318 | 4.1 | — | Exceeds |
| KEWASKUM WATERWORKS WI2670112 | KEWASKUM | 4,309 | 15 | — | Exceeds |
| SAUKVILLE WATERWORKS WI2460134 | SAUKVILLE | 4,268 | 4.2 | 31 | Exceeds |
| PRESCOTT WATERWORKS WI6480243 | Prescott | 4,258 | 9.9 | — | Exceeds |
| CHILTON WATERWORKS WI4080222 | CHILTON | 4,191 | — | — | Compliant |
| CROSS PLAINS WATERWORKS WI1130219 | CROSS PLAINS | 4,100 | — | — | Compliant |
| BLOOMFIELD, VILLAGE OF WI2651469 | PELL LAKE | 4,071 | — | — | Compliant |
| PULASKI WATERWORKS WI4050355 | PULASKI | 4,040 | — | — | Compliant |
| PRAIRIE DU SAC WATERWORKS WI1570100 | PRAIRIE DU SAC | 4,006 | — | — | Compliant |
| KESHENA 055295508 | KESHENA | 3,960 | — | — | Compliant |
| ALGOMA TN SANITARY DIST 1 WI4711611 | OSHKOSH | 3,935 | — | — | Compliant |
| KIEL WATERWORKS WI4360427 | KIEL | 3,932 | — | — | Compliant |
| CABELAS - RICHFIELD WI2671753 | RICHFIELD | 3,931 | — | — | Compliant |
| YORKVILLE UTILITY DIST 1 WI2521735 | UNION GROVE | 3,900 | — | — | Compliant |
| LANCASTER WATERWORKS WI1220107 | LANCASTER | 3,868 | — | — | Compliant |
| MARSHALL WATERWORKS WI1130237 | MARSHALL | 3,862 | — | — | Compliant |
| WRIGHTSTOWN WATERWORKS WI4050464 | WRIGHTSTOWN | 3,815 | — | — | Compliant |
| ARCADIA WATERWORKS WI6620319 | Arcadia | 3,737 | — | — | Compliant |
| WAUPUN CORRECTIONAL INST WI1140142 | MADISON | 3,706 | — | — | Compliant |
| HORICON WATERWORKS WI1140146 | HORICON | 3,682 | — | — | Compliant |
| BLOOMER WATERWORKS WI6090448 | BLOOMER | 3,680 | — | — | Compliant |
| HOBART WATERWORKS S A 1 WI4051698 | HOBART | 3,670 | — | — | Compliant |
| OMRO WATERWORKS WI4710357 | OMRO | 3,629 | — | — | Compliant |
| NORTH HUDSON WATERWORKS WI6560133 | Hudson | 3,626 | — | — | Compliant |
| COMBINED LOCKS WATERWORKS WI4450409 | COMBINED LOCKS | 3,609 | — | — | Compliant |
| BLACK RIVER FALLS WATERWORKS WI6270244 | Black River Falls | 3,608 | — | — | Compliant |
| SEYMOUR WATERWORKS WI4450337 | SEYMOUR | 3,601 | — | — | Compliant |
| WATERLOO WATERWORKS WI1280115 | WATERLOO | 3,520 | — | — | Compliant |
| SAUK CITY WATERWORKS WI1570105 | Sauk City | 3,518 | — | — | Compliant |
| KESHENA 055295502 | KESHENA | 3,500 | — | — | Compliant |
| STANLEY WATERWORKS WI6090462 | STANLEY | 3,500 | — | — | Compliant |
| CRESTVIEW UTILITY DISTRICT WI2520186 | Racine | 3,500 | — | — | Compliant |
| BARRON LIGHT & WATER DEPT WI6030125 | BARRON | 3,423 | — | — | Compliant |
| PESHTIGO WATERWORKS WI4380442 | PESHTIGO | 3,420 | — | — | Compliant |
| MOSINEE WATERWORKS WI7370159 | Mosinee | 3,406 | — | — | Compliant |
| JOHNSON CREEK WATERWORKS WI1280107 | JOHNSON CREEK | 3,318 | — | — | Compliant |
| ELLSWORTH WATERWORKS WI6480239 | ELLSWORTH | 3,304 | — | — | Compliant |
| WASHINGTON HTS SANITARY DIST WI6180293 | EAU CLAIRE | 3,300 | — | — | Compliant |
| BRILLION WATERWORKS WI4080221 | BRILLION | 3,262 | — | — | Compliant |
| FREEDOM SANITARY DISTRICT WI4451607 | FREEDOM | 3,260 | — | — | Compliant |
| BOSCOBEL WATERWORKS WI1220089 | BOSCOBEL | 3,237 | — | — | Compliant |
| WISCONSIN DELLS WATERWORKS WI1110113 | WISCONSIN DELLS | 3,232 | — | — | Compliant |
| ALGOMA WATERWORKS WI4310280 | ALGOMA | 3,219 | — | — | Compliant |
| BRODHEAD WATERWORKS WI1230072 | BRODHEAD | 3,216 | — | — | Compliant |
| ROTHSCHILD WATERWORKS WI7370161 | Rothschild | 3,190 | — | — | Compliant |
| LADYSMITH WATERWORKS WI8550131 | LADYSMITH | 3,184 | — | — | Compliant |
| TOMAHAWK WATERWORKS WI7350127 | Tomahawk | 3,180 | 21 | — | Exceeds |
| LAC DU FLAMBEAU 055295401 | LAC DU FLAMBEAU | 3,168 | — | — | Compliant |
| LODI WATERWORKS WI1110100 | LODI | 3,146 | — | — | Compliant |
| SHERWOOD WATERWORKS WI4080271 | SHERWOOD | 3,114 | — | — | Compliant |
| OOSTBURG WATERWORKS WI4600445 | OOSTBURG | 3,110 | — | — | Compliant |
| LAKE COMO SANITARY DIST 1 WI2651536 | LAKE GENEVA | 3,038 | — | — | Compliant |
| DRY TOWN 055295310 | HAYWARD | 3,030 | — | — | Compliant |
| HORTONVILLE WATER UTILITY WI4450411 | HORTONVILLE | 3,028 | — | — | Compliant |
| NEW HOLSTEIN WATERWORKS WI4080270 | NEW HOLSTEIN | 3,012 | — | — | Compliant |
| PARK FALLS WATERWORKS WI8510130 | PARK FALLS | 2,993 | — | — | Compliant |
| AMERY WATERWORKS WI6490328 | AMERY | 2,962 | — | — | Compliant |
| LAKE DELTON WATERWORKS WI1570664 | LAKE DELTON | 2,914 | — | — | Compliant |
| OCONTO FALLS WATERWORKS WI4430496 | OCONTO FALLS | 2,892 | — | — | Compliant |
| SOMERSET WATERWORKS WI6560137 | SOMERSET | 2,854 | — | — | Compliant |
| KEWAUNEE WATERWORKS WI4310281 | KEWAUNEE | 2,848 | — | — | Compliant |
| SOUTH-CENTRAL WATER SYSTEM 055295003 | BOWLER | 2,805 | — | — | Compliant |
| MENDOTA MENTAL HEALTH INST WI1130235 | MADISON | 2,787 | — | — | Compliant |
| ROME WATER UTILITY WI7010108 | NEKOOSA | 2,775 | — | — | Compliant |
| GENOA CITY WATERWORKS WI2650058 | GENOA CITY | 2,766 | — | — | Compliant |
| SAND PILLOW 055295011 | BLACK RIVER FALLS | 2,746 | — | — | Compliant |
| LUXEMBURG WATERWORKS WI4310282 | LUXEMBURG | 2,737 | — | — | Compliant |
| GREEN RIDGE GLENDALE WI2680194 | NEW BERLIN | 2,732 | — | — | Compliant |
| BELLEVILLE WATERWORKS WI1130209 | BELLEVILLE | 2,712 | — | — | Compliant |
| LOMIRA WATERWORKS WI1140151 | LOMIRA | 2,701 | — | — | Compliant |
| BROCKWAY SANITARY DIST 1 WI6270299 | Black River Falls | 2,692 | — | — | Compliant |
| DENMARK WATERWORKS WI4050351 | DENMARK | 2,684 | — | — | Compliant |
| OSCEOLA WATERWORKS WI6490341 | OSCEOLA | 2,680 | — | — | Compliant |
| MONDOVI WATERWORKS WI6060193 | MONDOVI | 2,667 | — | — | Compliant |
| SPOONER WATERWORKS WI8660305 | SPOONER | 2,653 | — | — | Compliant |
| JUNEAU WATERWORKS WI1140058 | JUNEAU | 2,627 | — | — | Compliant |
| WILLIAMS BAY WATERWORKS WI2650060 | WILLIAMS BAY | 2,601 | — | — | Compliant |
| HAYWARD WATER UTILITY WI8580532 | Hayward | 2,552 | — | — | Compliant |
| NEW LISBON WATERWORKS WI7290132 | NEW LISBON | 2,526 | — | — | Compliant |
| POYNETTE WATERWORKS WI1110037 | POYNETTE | 2,520 | — | — | Compliant |
| DEERFIELD WATERWORKS WI1130223 | DEERFIELD | 2,510 | — | — | Compliant |
| FENNIMORE WATERWORKS WI1220096 | FENNIMORE | 2,507 | — | — | Compliant |
| ABBOTSFORD WATERWORKS WI7370148 | ABBOTSFORD | 2,502 | — | — | Compliant |
| WINNECONNE WATERWORKS WI4710354 | WINNECONNE | 2,502 | — | — | Compliant |
| BELGIUM WATERWORKS WI2460107 | BELGIUM | 2,493 | — | — | Compliant |
| MINERAL POINT WATERWORKS WI1250084 | MINERAL POINT | 2,487 | — | — | Compliant |
| WESTBY WATERWORKS WI6630267 | WESTBY | 2,400 | — | — | Compliant |
| NEKOOSA WATERWORKS WI7720169 | Nekoosa | 2,394 | — | — | Compliant |
| NEILLSVILLE WATERWORKS WI6100330 | Neillsville | 2,384 | — | — | Compliant |
| LAKELAND SANITARY DIST 1 WI7440116 | Minocqua | 2,381 | — | — | Compliant |
| DOUSMAN WATER UTILITY WI2680197 | Dousman | 2,350 | — | — | Compliant |
| NEW GLARUS WATERWORKS WI1230084 | NEW GLARUS | 2,348 | — | — | Compliant |
| CUMBERLAND WATERWORKS WI6030132 | CUMBERLAND | 2,311 | — | — | Compliant |
| WALWORTH WATERWORKS WI2650149 | WALWORTH | 2,304 | — | — | Compliant |
| WASHBURN WATERWORKS WI8040132 | WASHBURN | 2,280 | — | — | Compliant |
| WAUTOMA WATER DEPT WI4700718 | WAUTOMA | 2,280 | — | — | Compliant |
| FREDONIA WATERWORKS WI2460109 | FREDONIA | 2,279 | — | — | Compliant |
| KOHLER WATERWORKS WI4600444 | KOHLER | 2,271 | — | — | Compliant |
| GENEVA NATIONAL COMMUNITY SERVICES WI2650907 | Lake Geneva | 2,250 | — | — | Compliant |
| DARLINGTON WATERWORKS WI1330073 | DARLINGTON | 2,235 | — | — | Compliant |
| CEDAR GROVE WATERWORKS WI4600437 | CEDAR GROVE | 2,213 | — | — | Compliant |
| SCHOFIELD WATERWORKS WI7370162 | SCHOFIELD | 2,205 | 4.7 | — | Exceeds |
| BUTLER WATERWORKS WI2680191 | BUTLER | 2,181 | — | — | Compliant |
| PARDEEVILLE WATERWORKS WI1110049 | PARDEEVILLE | 2,151 | — | — | Compliant |
| CUBA CITY WATERWORKS WI1220092 | CUBA CITY | 2,141 | — | — | Compliant |
| CLINTON WATERWORKS WI1540114 | CLINTON | 2,119 | — | — | Compliant |
| PRAIRIE VILLAGE WATER TRUST WI2680277 | NORTH PRAIRIE | 2,100 | — | — | Compliant |
| RED CLIFF NORTH 055295802 | BAYFIELD | 2,080 | — | — | Compliant |
| ST CROIX FALLS WATERWORKS WI6490343 | ST. CROIX FALLS | 2,079 | — | — | Compliant |
| REDGRANITE WATERWORKS WI4700269 | REDGRANITE | 2,019 | — | — | Compliant |
| CEX' HA CI 055295015 | BLACK RIVER FALLS | 2,002 | — | — | Compliant |
| FONTANA WATERWORKS SYSTEM 2 SOUTH WI2650743 | FONTANA | 2,000 | — | — | Compliant |
| BROOKFIELD ZONE 2 DOMINIC HGTS WI2680255 | BROOKFIELD | 1,961 | — | — | Compliant |
| CRANDON WATERWORKS WI7210107 | CRANDON | 1,958 | — | — | Compliant |
| EAGLE WATERWORKS WI2680198 | EAGLE | 1,950 | — | — | Compliant |
| HARMONY GROVE SAN DIST WI1110101 | LODI | 1,950 | — | — | Compliant |
| FRED ASH WI2680252 | BROOKFIELD | 1,936 | — | — | Compliant |
| CHETEK WATERWORKS WI6030129 | CHETEK | 1,931 | — | — | Compliant |
| SOMERS WATER UTILITY WI2301421 | SOMERS | 1,930 | — | — | Compliant |
| TREMPEALEAU WATERWORKS WI6620332 | TREMPEALEAU | 1,888 | — | — | Compliant |
| HAMMOND WATERWORKS WI6560121 | HAMMOND | 1,884 | — | — | Compliant |
| SCOTT WATER UTILITY DIST WI4050071 | NEW FRANKEN | 1,875 | — | — | Compliant |
| ROBERTS WATERWORKS WI6560134 | Roberts | 1,872 | — | — | Compliant |
| DURAND WATERWORKS WI6470107 | Durand | 1,868 | — | — | Compliant |
| PORT EDWARDS WATER UTILITY WI7720113 | Port Edwards | 1,866 | — | — | Compliant |
| WEYAUWEGA WATERWORKS WI4690403 | WEYAUWEGA | 1,856 | — | — | Compliant |
| SPENCER WATERWORKS WI7370108 | SPENCER | 1,848 | — | — | Compliant |
| ADAMS WATERWORKS WI7010107 | ADAMS | 1,847 | — | — | Compliant |
| FONTANA WATER UTILITY WI2650128 | FONTANA | 1,839 | — | — | Compliant |
| NEW ODANAH 055295102 | ODANAH | 1,839 | — | — | Compliant |
| COLBY WATERWORKS WI7370169 | Colby | 1,829 | — | — | Compliant |
| CAMPBELLSPORT WATERWORKS WI4200461 | CAMPBELLSPORT | 1,825 | — | — | Compliant |
| WHITEHALL WATERWORKS WI6620275 | Whitehall | 1,820 | — | — | Compliant |
| WIND POINT WATER DEPT WI2520191 | RACINE | 1,804 | — | — | Compliant |
| RANDOLPH WATER DEPT WI1110125 | RANDOLPH | 1,800 | — | — | Compliant |
| SOUTH LAWN SAN DISTRICT WI2520197 | RACINE | 1,800 | — | — | Compliant |
| MENOMONEE FALLS WW - GROUNDWATER WI2685747 | MENOMONEE FALLS | 1,796 | — | — | Compliant |
| FALL RIVER WATERWORKS WI1110098 | FALL RIVER | 1,793 | — | — | Compliant |
| CAMERON WATERWORKS WI6030127 | CAMERON | 1,787 | — | — | Compliant |
| PALMYRA WATERWORKS WI1280112 | PALMYRA | 1,756 | — | 6.2 | Exceeds |
| MAZOMANIE WATERWORKS WI1130239 | MAZOMANIE | 1,744 | — | — | Compliant |
| WHITING WATERWORKS WI7500136 | STEVENS POINT | 1,743 | — | — | Compliant |
| CITY OF PEWAUKEE WATER & SEWER UTILITY - WI2684045 | PEWAUKEE | 1,708 | — | — | Compliant |
| OSSEO WATERWORKS WI6620328 | OSSEO | 1,701 | — | — | Compliant |
| MARATHON CITY WATERWORKS WI7370151 | MARATHON CITY | 1,695 | — | — | Compliant |
| GALESVILLE WATERWORKS WI6620271 | GALESVILLE | 1,679 | — | — | Compliant |
| SHOREWOOD HILLS WATERWORKS WI1130236 | MADISON | 1,670 | — | — | Compliant |
| STRATFORD WATERWORKS WI7370168 | Stratford | 1,643 | — | — | Compliant |
| CAMBRIDGE WATER & SEWER UTILITY WI1130074 | CAMBRIDGE | 1,638 | — | — | Compliant |
| THORP WATERWORKS WI6100337 | THORP | 1,636 | — | — | Compliant |
| SPRING GREEN WATERWORKS WI1570109 | SPRING GREEN | 1,626 | — | — | Compliant |
| FOX LAKE WATERWORKS WI1140145 | FOX LAKE | 1,610 | — | — | Compliant |
| RANDOM LAKE WATERWORKS WI4600355 | RANDOM LAKE | 1,594 | — | — | Compliant |
| DARIEN WATERWORKS WI2650057 | DARIEN | 1,573 | — | — | Compliant |
| ELKHART LAKE WATERWORKS WI4600439 | ELKHART LAKE | 1,567 | — | — | Compliant |
| NIAGARA WATERWORKS WI4380439 | NIAGARA | 1,561 | — | — | Compliant |
| BROOKFIELD ZONE 2 CARRIAGE HILLS WI2680254 | BROOKFIELD | 1,550 | — | — | Compliant |
| FEDERAL CORRECTIONAL INSTITUTION WI7010105 | Oxford | 1,550 | — | — | Compliant |
| SHARON WATERWORKS WI2650145 | SHARON | 1,549 | — | — | Compliant |
| KETTLE MORAINE CORRECTIONAL INSTITUTION WI4600449 | MADISON | 1,544 | — | — | Compliant |
| EAGLE RIVER WATERWORKS WI7640113 | EAGLE RIVER | 1,530 | — | — | Compliant |
| CLEVELAND WATERWORKS WI4360426 | CLEVELAND | 1,524 | — | — | Compliant |
| BROOKLYN WATERWORKS WI1230075 | BROOKLYN | 1,524 | — | — | Compliant |
| BANGOR WATERWORKS WI6320233 | Bangor | 1,520 | — | — | Compliant |
| HURLEY WATERWORKS WI8260116 | HURLEY | 1,515 | — | — | Compliant |
| VETERANS ADMIN MEDICAL CENTER WI6420300 | TOMAH | 1,500 | — | — | Compliant |
| INDEPENDENCE WATERWORKS WI6620276 | INDEPENDENCE | 1,500 | — | — | Compliant |
| CONCORDIA UNIVERSITY WI2460118 | MEQUON | 1,500 | — | — | Compliant |
| STURGEON BAY WEST L WTRWRKS WI4150479 | STURGEON BAY | 1,500 | — | — | Compliant |
| BLACK EARTH WATERWORKS WI1130211 | BLACK EARTH | 1,493 | — | — | Compliant |
| EDGAR WATERWORKS WI7370150 | Edgar | 1,491 | — | — | Compliant |
| ORFORDVILLE WATERWORKS WI1540132 | ORFORDVILLE | 1,475 | — | — | Compliant |
| BONDUEL WATERWORKS WI4590450 | BONDUEL | 1,475 | — | — | Compliant |
| PHILLIPS WATERWORKS WI8510131 | Phillips | 1,473 | — | — | Compliant |
| GRANTSBURG WATERWORKS WI8070310 | GRANTSBURG | 1,460 | — | — | Compliant |
| MUSCODA WATERWORKS WI1220112 | MUSCODA | 1,453 | — | — | Compliant |
| AUGUSTA WATERWORKS WI6180231 | AUGUSTA | 1,450 | — | — | Compliant |
| MISHICOT WATERWORKS WI4360430 | MISHICOT | 1,432 | — | — | Compliant |
| WEST BARABOO WATERWORKS WI1570112 | BARABOO | 1,414 | — | — | Compliant |
| SPRING VALLEY WATERWORKS WI6480249 | SPRING VALLEY | 1,409 | — | — | Compliant |
| CORNELL WATERWORKS WI6090458 | CORNELL | 1,390 | — | — | Compliant |
| WOODVILLE WATERWORKS WI6560138 | Woodville | 1,386 | — | — | Compliant |
| NEW BERLIN WEST MIDDLE HIGH SCHOOL WI2680813 | NEW BERLIN | 1,380 | — | — | Compliant |
| MARKESAN WATERWORKS WI4240218 | MARKESAN | 1,365 | — | — | Compliant |
| WE ENERGIES 1 - VILLE DU PARC 5 WI2460065 | MILWAUKEE | 1,360 | — | — | Compliant |
| CADOTT WATERWORKS WI6090450 | CADOTT | 1,352 | — | — | Compliant |
| MAPLE BLUFF WATERWORKS WI1130234 | MADISON | 1,342 | — | — | Compliant |
| BLACK CREEK WATERWORKS WI4450408 | BLACK CREEK | 1,336 | — | — | Compliant |
| ELROY WATERWORKS WI7290122 | ELROY | 1,333 | — | — | Compliant |
| MONTELLO WATERWORKS WI4390281 | MONTELLO | 1,329 | — | — | Compliant |
| HILLSBORO WATERWORKS WI6630257 | Hillsboro | 1,325 | — | — | Compliant |
| LOYAL WATERWORKS WI6100329 | Loyal | 1,308 | — | — | Compliant |
| MANAWA WATERWORKS WI4690345 | MANAWA | 1,300 | — | — | Compliant |
| MARION WATERWORKS WI4690396 | MARION | 1,293 | — | — | Compliant |
| HERTEL WEST 055295902 | WEBSTER | 1,281 | — | — | Compliant |
| BLAIR WATERWORKS WI6620274 | BLAIR | 1,280 | — | — | Compliant |
| FALL CREEK WATERWORKS WI6180296 | Fall Creek | 1,269 | — | — | Compliant |
| GILLETT WATERWORKS WI4430490 | GILLETT | 1,264 | — | — | Compliant |
| THERESA WATERWORKS WI1140154 | THERESA | 1,262 | — | — | Compliant |
| MOLE LAKE 055295601 | CRANDON | 1,260 | — | — | Compliant |
| BARNEVELD WATERWORKS WI1250075 | BARNEVELD | 1,258 | — | — | Compliant |
| FLORENCE UTILITY COMMISSION WI4190155 | FLORENCE | 1,250 | — | — | Compliant |
| IOLA WATERWORKS WI4690394 | IOLA | 1,249 | — | — | Compliant |
| FREDERIC WATERWORKS WI6490337 | FREDERIC | 1,241 | — | — | Compliant |
| WISCONSIN VETERANS HOME WI4690395 | KING | 1,240 | — | — | Compliant |
| SHULLSBURG WATERWORKS WI1330076 | SHULLSBURG | 1,222 | — | — | Compliant |
| MONTICELLO WATERWORKS WI1230083 | MONTICELLO | 1,217 | — | — | Compliant |
| BROOKFIELD HILLS WI2680276 | Hales Corners | 1,200 | — | — | Compliant |
| LAKELAND UNIVERSITY WI4600487 | PLYMOUTH | 1,200 | — | — | Compliant |
| WAUNONA SANITARY DISTRICT 2 WI1130742 | MADISON | 1,200 | — | — | Compliant |
| REEDSVILLE WATERWORKS WI4360431 | REEDSVILLE | 1,200 | — | — | Compliant |
| WITTENBERG WATERWORKS WI4590465 | WITTENBERG | 1,200 | — | — | Compliant |
| FRANKLIN ROOT RIVER WI2410564 | FRANKLIN | 1,200 | — | — | Compliant |
| HAZEL GREEN WATERWORKS WI1220102 | HAZEL GREEN | 1,193 | — | — | Compliant |
| HILBERT WATERWORKS WI4080269 | HILBERT | 1,176 | — | — | Compliant |
| PRINCETON WATERWORKS WI4240219 | PRINCETON | 1,166 | — | — | Compliant |
| NEOPIT 055295510 | KESHENA | 1,162 | — | — | Compliant |
| NEOPIT 055295503 | KESHENA | 1,162 | — | — | Compliant |
| LUCK WATERWORKS WI6490338 | LUCK | 1,150 | — | — | Compliant |
| CASHTON WATERWORKS WI6420294 | CASHTON | 1,120 | — | — | Compliant |
| AMHERST WATERWORKS WI7500094 | AMHERST | 1,119 | — | — | Compliant |
| DANE WATERWORKS WI1130220 | DANE | 1,117 | — | — | Compliant |
| GLENWOOD CITY WATERWORKS WI6560120 | GLENWOOD CITY | 1,102 | — | — | Compliant |
| COLFAX WATERWORKS WI6170261 | COLFAX | 1,102 | — | — | Compliant |
| STRUM WATERWORKS WI6620331 | Strum | 1,100 | — | — | Compliant |
| OAKHILL CORRECTIONAL INST WI1130250 | OREGON | 1,096 | — | — | Compliant |
| RIO WATERWORKS WI1110111 | RIO | 1,095 | — | — | Compliant |
| GREENWOOD WATERWORKS WI6100328 | GREENWOOD | 1,079 | — | — | Compliant |
| TURTLE LAKE WATERWORKS WI6030142 | TURTLE LAKE | 1,073 | — | — | Compliant |
| DICKEYVILLE WATERWORKS WI1220094 | DICKEYVILLE | 1,069 | — | — | Compliant |
| ROBERT WILLIAM PARK WATER ASSOCIATION INC WI2410589 | MILWAUKEE | 1,065 | — | — | Compliant |
| HUSTISFORD WATERWORKS WI1140148 | HUSTISFORD | 1,063 | — | — | Compliant |
| CLEAR LAKE WATERWORKS WI6490335 | Clear Lake | 1,061 | — | — | Compliant |
| OAKFIELD WATERWORKS WI4200475 | OAKFIELD | 1,058 | — | — | Compliant |
| ASHWOOD GROVE EDGEWATER WI4200485 | FOND DU LAC | 1,046 | — | — | Compliant |
| MOSINEE EAST SYSTEM WI7372480 | Mosinee | 1,046 | — | — | Compliant |
| BOYCEVILLE WATERWORKS WI6170260 | BOYCEVILLE | 1,043 | — | — | Compliant |
| BALSAM LAKE WATERWORKS WI6490330 | Balsam Lake | 1,031 | — | — | Compliant |
| CRIVITZ WATERWORKS WI4380411 | CRIVITZ | 1,026 | — | — | Compliant |
| ATHENS WATERWORKS WI7370149 | ATHENS | 1,025 | — | — | Compliant |
| SHELBY TN OF WEDGEWOOD VLY WI6320311 | La Crosse | 1,020 | — | — | Compliant |
| ALBANY WATERWORKS WI1230071 | ALBANY | 1,018 | — | — | Compliant |
| GREEN LAKE WATERWORKS WI4240217 | GREEN LAKE | 1,002 | — | — | Compliant |
| BRISTOL VILLAGE OF EAST WI2300767 | BRISTOL | 1,001 | — | — | Compliant |
| SISTER BAY WATERWORKS WI4150510 | SISTER BAY | 1,000 | — | — | Compliant |
| BELMONT WATERWORKS WI1330069 | BELMONT | 991 | — | — | Compliant |
| FOND DU LAC TN WATER UTILITY WI4200429 | FOND DU LAC | 980 | — | — | Compliant |
| BENTON WATERWORKS WI1330070 | BENTON | 976 | — | — | Compliant |
| COUNTRY CLUB ESTATES WATER USERS COOP WI2650131 | FONTANA | 975 | — | — | Compliant |
| VALDERS WATERWORKS WI4360437 | VALDERS | 954 | — | — | Compliant |
| BLUE MOUNDS WATERWORKS WI1130023 | BLUE MOUNDS | 950 | — | — | Compliant |
| LAONA SANITARY DIST WI7210108 | LAONA | 950 | — | — | Compliant |
| SOUTHERN WISCONSIN CENTER WI2520199 | UNION GROVE | 950 | — | — | Compliant |
| SHELL LAKE WATERWORKS WI8660304 | SHELL LAKE | 950 | — | — | Compliant |
| RIB LAKE WATERWORKS WI8610126 | Rib Lake | 945 | — | — | Compliant |
| PADDOCK LAKE WATERWORKS WI2300146 | SALEM | 945 | — | — | Compliant |
| SIREN WATERWORKS WI8070311 | SIREN | 941 | — | — | Compliant |
| IRON RIDGE WATERWORKS WI1140150 | IRON RIDGE | 937 | — | — | Compliant |
| OWEN WATERWORKS WI6100334 | OWEN | 936 | — | — | Compliant |
| DRESSER WATERWORKS WI6490336 | DRESSER | 936 | — | — | Compliant |
| WINNEBAGO MENTAL HEALTH INSTITUTE WI4710455 | WINNEBAGO | 930 | — | — | Compliant |
| PLAINFIELD WATERWORKS WI4700268 | PLAINFIELD | 924 | — | — | Compliant |
| SHIOCTON UTILITIES WI4450415 | SHIOCTON | 921 | — | — | Compliant |
| MILLTOWN WATERWORKS WI6490339 | MILLTOWN | 915 | — | — | Compliant |
| CENTURIA WATERWORKS WI6490332 | CENTURIA | 900 | — | — | Compliant |
| LONE ROCK WATERWORKS WI1530061 | LONE ROCK | 895 | — | — | Compliant |
| ELK MOUND WATERWORKS WI6170264 | ELK MOUND | 895 | — | — | Compliant |
| MONTREAL WATERWORKS WI8260121 | MONTREAL | 887 | — | — | Compliant |
| BIRON WATER UTILITY WI7720171 | WISCONSIN RAPIDS | 879 | — | — | Compliant |
| ARENA WATERWORKS WI1250073 | ARENA | 877 | — | — | Compliant |
| BRANDON WATERWORKS WI4200402 | BRANDON | 872 | — | — | Compliant |
| WE ENERGIES 3 WI2410203 | MEQUON | 863 | — | — | Compliant |
| ALLENTON SANITARY DISTRICT WI2670104 | ALLENTON | 860 | — | — | Compliant |
| STONE LAKE COMMUNITY 055295201 | CRANDON | 851 | — | — | Compliant |
| NECEDAH WATERWORKS WI7290130 | Necedah | 844 | — | — | Compliant |
| HIGHLAND WATERWORKS WI1250080 | HIGHLAND | 842 | — | — | Compliant |
| DORCHESTER WATERWORKS WI6100326 | Dorchester | 834 | — | — | Compliant |
| BIRNAMWOOD WATERWORKS WI4590449 | BIRNAMWOOD | 832 | — | — | Compliant |
| ARGYLE WATERWORKS WI1330068 | ARGYLE | 823 | — | — | Compliant |
| ARLINGTON WATERWORKS WI1110093 | ARLINGTON | 823 | — | — | Compliant |
| FOOTVILLE WATERWORKS WI1540125 | FOOTVILLE | 816 | — | — | Compliant |
| PEPIN WATERWORKS WI6470141 | Pepin | 816 | — | — | Compliant |
| BLANCHARDVILLE WATERWORKS WI1330071 | BLANCHARDVILLE | 810 | — | — | Compliant |
| WESTPORT WATER UTILITY WI1132442 | WAUNAKEE | 800 | — | — | Compliant |
| PITTSVILLE WATERWORKS WI7720112 | PITTSVILLE | 800 | — | — | Compliant |
| ELMWOOD WATERWORKS WI6480250 | ELMWOOD | 798 | — | — | Compliant |
| STODDARD WATERWORKS WI6630262 | Stoddard | 793 | — | — | Compliant |
| PLAIN WATERWORKS WI1570098 | PLAIN | 792 | — | — | Compliant |
| PARKVIEW HEALTH CENTER WI4710456 | WINNEBAGO | 790 | — | — | Compliant |
| FRIENDSHIP WATERWORKS WI7010110 | FRIENDSHIP | 781 | — | — | Compliant |
| CASSVILLE WATERWORKS WI1220091 | CASSVILLE | 777 | — | — | Compliant |
| ALMA WATERWORKS WI6060192 | Alma | 769 | — | — | Compliant |
| WYOCENA WATERWORKS WI1110124 | WYOCENA | 768 | — | — | Compliant |
| CAMBRIA WATERWORKS WI1110041 | Cambria | 767 | — | — | Compliant |
| COON VALLEY WATERWORKS WI6630252 | COON VALLEY | 765 | — | — | Compliant |
| CLAYTON WATERWORKS WI6490334 | CLAYTOON | 765 | — | — | Compliant |
| MERCER SANITARY DISTRICT WI8260120 | Mercer | 760 | — | — | Compliant |
| WONEWOC WATERWORKS WI7290137 | WONEWOC | 758 | — | — | Compliant |
| WHITELAW WATERWORKS WI4360439 | WHITELAW | 757 | — | — | Compliant |
| GLIDDEN SANITARY DISTRICT WI8020376 | GLIDDEN | 750 | — | — | Compliant |
| LAKE MEADOWS WATER TRUST WI2680228 | WAUKESHA | 750 | — | — | Compliant |
| WABENO SANITARY DIST 1 WI7210110 | WABENO | 750 | — | — | Compliant |
| TIGERTON WATERWORKS WI4590462 | TIGERTON | 740 | — | — | Compliant |
| MELLEN WATER UTILITY WI8020378 | MELLEN | 731 | — | — | Compliant |
| COLEMAN WATERWORKS WI4380436 | COLEMAN | 727 | — | — | Compliant |
| CRYSTAL LAKE RV RESORT LLC WI1110066 | LODI | 725 | — | — | Compliant |
| HALE PARK MEADOWS WI2680216 | MUSKEGO | 720 | — | — | Compliant |
| CASCADE WATERWORKS WI4600436 | CASCADE | 719 | — | — | Compliant |
| CALEDONIA WEST UTIL DIST- CADDY VISTA WI2520180 | RACINE | 719 | — | — | Compliant |
| POTOSI WATERWORKS WI1220117 | POTOSI | 718 | — | — | Compliant |
| MONTFORT WATERWORKS WI1220110 | MONTFORT | 718 | — | — | Compliant |
| REESEVILLE WATERWORKS WI1140153 | REESEVILLE | 718 | — | — | Compliant |
| LA FARGE WATERWORKS WI6630258 | LA FARGE | 712 | — | — | Compliant |
| WAUZEKA WATERWORKS WI6120253 | WAUZEKA | 711 | — | — | Compliant |
| ALMENA WATERWORKS WI6030124 | ALMENA | 705 | — | — | Compliant |
| ST NAZIANZ WATERWORKS WI4360433 | ST NAZIANZ | 705 | — | — | Compliant |
| SADDLE RIDGE ESTATES WI1110123 | PORTAGE | 700 | — | — | Compliant |
| WHITNALL EDGE SUBDIVISION WI2410608 | FRANKLIN | 700 | — | — | Compliant |
| DURHAM MEADOWS WATER TRUST WI2680213 | MUSKEGO | 700 | — | — | Compliant |
| RIDGELAND 055295704 | ONEIDA | 691 | — | — | Compliant |
| RIDGEWAY WATERWORKS WI1250087 | RIDGEWAY | 690 | — | — | Compliant |
| BLOOMINGTON WATERWORKS WI1220085 | BLOOMINGTON | 682 | — | — | Compliant |
| VIOLA WATERWORKS WI6630269 | Viola | 667 | — | — | Compliant |
| LIVINGSTON WATERWORKS WI1220109 | LIVINGSTON | 664 | — | — | Compliant |
| PRENTICE WATERWORKS WI8510132 | PRENTICE | 660 | — | — | Compliant |
| HOBART WATERWORKS S A 3 WI4052077 | HOBART | 658 | — | — | Compliant |
| NORWALK WATERWORKS WI6420296 | Norwalk | 653 | — | — | Compliant |
| WEBSTER WATERWORKS WI8070312 | WEBSTER | 652 | — | — | Compliant |
| GREENLEAF WATERWORKS WI4050466 | GREENLEAF | 650 | — | — | Compliant |
| STOCKBRIDGE WATERWORKS WI4080407 | STOCKBRIDGE | 650 | — | — | Compliant |
| ROCK RIVER LEISURE ESTATES COOP WI1540167 | EDGERTON | 650 | — | — | Compliant |
| ROCKLAND WATERWORKS WI6320333 | Rockland | 642 | — | — | Compliant |
| CAMP DOUGLAS WATERWORKS WI7290121 | Camp Douglas | 640 | — | — | Compliant |
| AVOCA WATERWORKS WI1250074 | AVOCA | 637 | — | — | Compliant |
| ELEVA WATERWORKS WI6620270 | Eleva | 635 | — | — | Compliant |
| CARTER COMMUNITY 055295205 | CRANDON | 634 | — | — | Compliant |
| BROWNSVILLE WATERWORKS WI1140139 | BROWSVILLE | 630 | — | — | Compliant |
| WE ENERGIES 3 - BAYSIDE WOODS WATER TRUST WI2410576 | MILWAUKEE | 629 | — | — | Compliant |
| BRUCE WATERWORKS WI8550127 | BRUCE | 620 | — | — | Compliant |
| MEQUON TRAIL TOWNHOMES WI2460817 | MEQUON | 615 | — | — | Compliant |
| BIRDS EYE FOODS WI2650399 | DARIEN | 610 | — | — | Compliant |
| IRON RIVER SANITARY DISTRICT WI8040131 | IRON RIVER | 600 | — | — | Compliant |
| FRED ASH WI2680250 | BROOKFIELD | 600 | — | — | Compliant |
| WE ENERGIES 3 -NORTH SHORE EAST WATER TRUST WI2410552 | BAYSIDE | 600 | — | — | Compliant |
| LAKELAND NURSING HOME WI2650125 | ELKHORN | 600 | — | — | Compliant |
| HUNTINGTON PARK WI2460151 | MEQUON | 600 | — | — | Compliant |
| WE ENERGIES 1 - VILLE DU PARC WI2460115 | MILWAUKEE | 600 | — | — | Compliant |
| LAC DU COURS SUBD (LEMONT UTILITY) WI2460117 | MILWAUKEE | 600 | — | — | Compliant |
| BRISTOL WATERWORKS VILLAGE OF WI2300050 | Bristol | 598 | — | — | Compliant |
| SOLDIERS GROVE WATERWORKS WI6120252 | SOLDIERS GROVE | 592 | — | — | Compliant |
| DELAFIELD SQUARE WI2685812 | PEWAUKEE | 587 | — | — | Compliant |
| WAUSAUKEE WATERWORKS WI4380445 | WAUSAUKEE | 585 | — | — | Compliant |
| LENA WATERWORKS WI4430493 | LENA | 585 | — | — | Compliant |
| AUTUMN RIDGE WATER SYSTEM LLC WI1281138 | IXONIA | 575 | — | — | Compliant |
| ROCKY KNOLL HEALTH CARE FAC WI4600447 | SHEBOYGAN | 564 | — | — | Compliant |
| STETSONVILLE WATERWORKS WI8610550 | STETSONVILLE | 563 | — | — | Compliant |
| RED CLIFF SOUTH 055295801 | BAYFIELD | 562 | — | — | Compliant |
| MINONG WATERWORKS WI8660303 | MINONG | 561 | — | — | Compliant |
| KIELER SD NO 1 WI1220103 | KIELER | 560 | — | — | Compliant |
| CEDAR HILLS WI2410574 | OAK CREEK | 560 | — | — | Compliant |
| SURING WATERWORKS WI4430498 | SURING | 559 | — | — | Compliant |
| ONTARIO WATERWORKS WI6630259 | Ontario | 554 | — | — | Compliant |
| STAR PRAIRIE WATERWORKS WI6560141 | STAR PRAIRIE | 553 | — | — | Compliant |
| PHELPS SANITARY DISTRICT WI7640114 | Phelps | 550 | — | — | Compliant |
| HATLEY WATERWORKS WI7371256 | Hatley | 550 | — | — | Compliant |
| NEW AUBURN WATERWORKS WI6090461 | NEW AUBURN | 549 | — | — | Compliant |
| LINDEN WATERWORKS WI1250082 | LINDEN | 547 | — | — | Compliant |
| BOYD WATERWORKS WI6090449 | BOYD | 540 | — | — | Compliant |
| OUTAGAMIE CO HEALTH CENTER WI4450402 | APPLETON | 540 | — | — | Compliant |
| WARRENS WATERWORKS WI6420305 | WARRENS | 540 | — | — | Compliant |
| ETTRICK WATERWORKS WI6620273 | Ettrick | 536 | — | — | Compliant |
| GRESHAM WATERWORKS WI4590454 | GRESHAM | 534 | — | — | Compliant |
| MERRILLAN WATERWORKS WI6270294 | MERRILLAN | 531 | — | — | Compliant |
| SPACIOUS ACRES MOBILE HOME COMMUNITY WI1280114 | MENOMONIE FALLS | 525 | — | — | Compliant |
| MELROSE WATERWORKS WI6270293 | MELROSE | 524 | — | — | Compliant |
| CLARK CO HEALTH CARE CENTER WI6100336 | Owen | 510 | — | — | Compliant |
| ADELL WATERWORKS WI4600435 | ADELL | 510 | — | — | Compliant |
| MT ZION CHRISTIAN CHURCH WI2650822 | LAKE GENEVA | 509 | — | — | Compliant |
| WITHEE WATERWORKS WI6100283 | WITHEE | 506 | — | — | Compliant |
| ST EDWARD SCH & CH WI4450623 | APPLETON | 505 | — | — | Compliant |
| ST JOSEPH SAN DIST 1 WI6320318 | La Crosse | 503 | — | — | Compliant |
| COUNTRY ESTATES SANITARY DISTRICT TOWN OF LYONS 1 WI2650127 | BURLINGTON | 500 | — | — | Compliant |
| LAKE DRIVE WATER TRUST WI2683440 | WAUKESHA | 500 | — | — | Compliant |
| INTERLAKEN RESORT AND VILLAGE WI2650143 | LAKE GENEVA | 500 | — | — | Compliant |
| THREE LAKES SANITARY DISTRICT WI7440129 | THREE LAKES | 500 | — | — | Compliant |
| WALDO WATERWORKS WI4600456 | WALDO | 500 | — | — | Compliant |
| BAY CITY WATERWORKS WI6480153 | BAY CITY | 499 | — | — | Compliant |
| TAYLOR WATERWORKS WI6270297 | TAYLOR | 498 | — | — | Compliant |
| HOLLAND TN SANITARY DIST WI4050726 | KAUKAUNA | 495 | — | — | Compliant |
| ST CLOUD WATERWORKS WI4200477 | ST CLOUD | 494 | — | — | Compliant |
| CCC SITE #2 055295701 | ONEIDA | 494 | — | — | Compliant |
| VESPER WATERWORKS WI7720134 | VESPER | 491 | — | — | Compliant |
| WILTON WATERWORKS WI6420306 | WILTON | 490 | — | — | Compliant |
| GAYS MILLS WATERWORKS WI6120244 | GAYS MILLS | 490 | — | — | Compliant |