23,994 water systems tracked in Wisconsin, serving 4,744,905 people. 22 systems have reported a result above an EPA PFAS limit and face the April 2029 compliance deadline.
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.
DNR rolls out grants for PFAS testing as board advances groundwater regulations
Reported by wuwm.com. DNR rolls out grants for PFAS testing as board advances groundwater regulations WUWM
2026-10-29 · Read more →
DNR groundwater standards for PFAS advance in Wisconsin
Reported by ironmountaindailynews.com. DNR groundwater standards for PFAS advance in Wisconsin Iron Mountain Daily News
2026-10-29 · Read more →
Free check against EPA UCMR5 data for PFOA and PFOS above the 4 ppt limit, plus weekly Wisconsin MCL, deadline, and funding alerts.
Checked against the agency's page on Nov 1, 2026. Confirm dates there before planning around them.
If your system needs a lab, an engineer, a treatment firm or a funding contact, tell us what the project needs. We'll point you to who may fit.
Firms with PFAS-related federal awards routed to Wisconsin (USASpending). See the national top 50 →
| Rank | Recipient | Total awarded | # awards |
|---|---|---|---|
| 1 | WISCONSIN DEPARTMENT OF NATURAL RESOURCES | $72,047,567 | 10 |
| 2 | UNIVERSITY OF WISCONSIN SYSTEM | $8,595,359 | 11 |
| 3 | ORIN TECHNOLOGIES, LLC. | $3,958,040 | 1 |
| 4 | VILLAGE OF FRENCH ISLAND | $3,666,000 | 2 |
| 5 | VILLAGE OF RIB MOUNTAIN | $1,667,000 | 1 |
| System | City | Population | PFOA (ppt) | PFOS (ppt) | Status |
|---|---|---|---|---|---|
| MILWAUKEE WATERWORKS WI2410100 | MILWAUKEE | 626,000 | — | — | No result above limit |
| MADISON WATER UTILITY WI1130224 | MADISON | 272,000 | — | — | No result above limit |
| GREEN BAY WATERWORKS WI4050356 | GREEN BAY | 107,369 | — | — | No result above limit |
| RACINE WATERWORKS WI2520062 | RACINE | 105,100 | — | — | No result above limit |
| KENOSHA WATER UTILITY WI2300046 | KENOSHA | 99,218 | — | — | No result above limit |
| APPLETON WATERWORKS WI4450333 | APPLETON | 74,511 | — | — | No result above limit |
| WAUKESHA WATER UTILITY WI2680238 | WAUKESHA | 70,718 | — | — | No result above limit |
Reported by northernnewsnow.com. Wisconsin DNR announces new grant programs for PFAS testing Northern News Now
2026-10-27 · Read more →
New Wisconsin Grants Help Pay for PFAS Testing of Private Wells and Wastewater
Reported by eponline.com. New Wisconsin Grants Help Pay for PFAS Testing of Private Wells and Wastewater EP Magazine
2026-10-26 · Read more →
Wisconsin launches grant programs to address PFAS contamination
Reported by wpr.org. Wisconsin launches grant programs to address PFAS contamination WPR
2026-10-23 · Read more →
| EAU CLAIRE WATERWORKS WI6180230 |
| EAU CLAIRE |
| 70,587 |
| — |
| — |
| Exceeds |
| JANESVILLE WATER UTILITY WI1540127 | JANESVILLE | 64,415 | — | — | No result above limit |
| WEST ALLIS WATERWORKS WI2410595 | WEST ALLIS | 63,240 | — | — | No result above limit |
| OSHKOSH WATERWORKS WI4710457 | OSHKOSH | 63,000 | — | — | No result above limit |
| LA CROSSE WATERWORKS WI6320309 | LA CROSSE | 53,000 | 5.1 | 5.5 | Exceeds |
| SHEBOYGAN WATER UTILITIES WI4600354 | SHEBOYGAN | 49,931 | — | — | No result above limit |
| WAUWATOSA WATERWORKS WI2410596 | Wauwatosa | 49,064 | — | — | No result above limit |
| FOND DU LAC WATERWORKS WI4200469 | FOND DU LAC | 44,303 | — | — | No result above limit |
| WAUSAU WATERWORKS WI7370102 | WAUSAU | 39,994 | — | — | No result above limit |
| BELOIT CITY OF WI1540112 | BELOIT | 36,677 | — | — | No result above limit |
| NORTH SHORE WATER COMMISSION WI2413515 | MILWAUKEE | 35,598 | — | — | No result above limit |
| MANITOWOC WATERWORKS WI4360364 | MANITOWOC | 34,500 | — | — | No result above limit |
| SUN PRAIRIE UTILITIES WI1130258 | SUN PRAIRIE | 33,966 | — | — | No result above limit |
| OAK CREEK WATERWORKS WI2410172 | Oak Creek | 32,104 | — | — | No result above limit |
| WEST BEND WATERWORKS WI2670120 | WEST BEND | 31,752 | 6.5 | — | Exceeds |
| BROOKFIELD WATER UTILITY WI2680253 | Brookfield | 29,070 | — | — | No result above limit |
| NEW BERLIN WATER UTILITY WI2680217 | NEW BERLIN | 27,899 | — | — | No result above limit |
| NEENAH WATERWORKS WI4710348 | NEENAH | 27,506 | — | — | No result above limit |
| STEVENS POINT WATERWORKS WI7500141 | STEVENS POINT | 26,717 | — | — | No result above limit |
| SUPERIOR WATER LIGHT & POWER COMPANY WI8160147 | SUPERIOR | 26,084 | — | — | No result above limit |
| DE PERE WATERWORKS SA 1 WI4050453 | DE PERE | 25,660 | — | — | No result above limit |
| FITCHBURG UTILITY DIST 1 WI1130231 | FITCHBURG | 24,500 | — | — | No result above limit |
| WATERTOWN WATERWORKS WI1280044 | WATERTOWN | 23,945 | — | — | No result above limit |
| MIDDLETON WATERWORKS WI1130242 | MIDDLETON | 23,868 | — | — | No result above limit |
| MENOMONEE FALLS WW - SURFACE WATER WI2680082 | MENOMONEE FALLS | 23,867 | — | — | No result above limit |
| FRANKLIN WATER UTILITY WI2410563 | FRANKLIN | 22,500 | — | — | No result above limit |
| CALEDONIA WATER UTILITY - VILLAGE OF WI2520184 | CALEDONIA | 21,819 | — | — | No result above limit |
| GRAND CHUTE TN SAN DIST 1 WI4450429 | GRAND CHUTE | 21,583 | — | — | No result above limit |
| SOUTH MILWAUKEE WATERWORKS WI2410144 | SOUTH MILWAUKEE | 21,340 | — | — | No result above limit |
| HOWARD WATERWORKS WI4050468 | GREEN BAY | 21,133 | — | — | No result above limit |
| GERMANTOWN WATER UTILITY WI2670105 | GERMANTOWN | 20,027 | — | — | No result above limit |
| WIS RAPIDS WATER WORKS & LIGHTING COMM WI7720108 | WISCONSIN RAPIDS | 20,000 | — | — | No result above limit |
| MARSHFIELD UTILITIES WI7720165 | MARSHFIELD | 18,815 | — | 14 | Exceeds |
| CUDAHY WATERWORKS WI2410169 | CUDAHY | 18,659 | — | — | No result above limit |
| ONALASKA WATERWORKS WI6320327 | Onalaska | 18,000 | — | — | No result above limit |
| ASHWAUBENON WATERWORKS WI4050456 | ASHWAUBENON | 17,730 | — | — | No result above limit |
| HUDSON WATERWORKS WI6560087 | HUDSON | 17,635 | — | — | No result above limit |
| KAUKAUNA UTILITIES WI4450336 | KAUKAUNA | 17,493 | — | — | No result above limit |
| BELLEVUE WATERWORKS WI4050459 | GREEN BAY | 16,715 | — | — | No result above limit |
| BEAVER DAM WATER UTILITY WI1140059 | BEAVER DAM | 16,200 | — | — | No result above limit |
| RIVER FALLS WATERWORKS WI6480246 | River Falls | 16,000 | — | — | No result above limit |
| WESTON MUNICIPAL UTILITIES WI7370163 | WESTON | 16,000 | 5.9 | 13 | Exceeds |
| MENOMONIE WATERWORKS WI6170268 | Menomonie | 15,950 | — | — | No result above limit |
| HARTFORD WATERWORKS WI2670110 | HARTFORD | 15,805 | 6.8 | 5.5 | Exceeds |
| OCONOMOWOC WATERWORKS WI2680227 | Oconomowoc | 15,805 | — | — | No result above limit |
| MENASHA ELEC & WATER UTIL WI4710334 | MENASHA | 15,144 | — | — | No result above limit |
| WAUNAKEE WATERWORKS WI1130265 | WAUNAKEE | 14,879 | — | — | No result above limit |
| GREENDALE WATERWORKS WI2410571 | Greendale | 14,393 | — | — | No result above limit |
| WHITEFISH BAY WATERWORKS WI2410597 | MILWAUKEE | 14,272 | — | — | No result above limit |
| VERONA WATERWORKS WI1130259 | VERONA | 14,030 | — | — | No result above limit |
| WHITEWATER WATERWORKS WI2650056 | WHITEWATER | 14,000 | — | — | No result above limit |
| FOX CROSSING UTILITIES WEST WI4710358 | NEENAH | 14,000 | — | — | No result above limit |
| ALLOUEZ WATERWORKS WI4050455 | GREEN BAY | 13,923 | — | — | No result above limit |
| SHOREWOOD WATERWORKS WI2410607 | SHOREWOOD | 13,535 | — | — | No result above limit |
| PLOVER WATERWORKS WI7500726 | PLOVER | 13,486 | — | — | No result above limit |
| CHIPPEWA FALLS WATERWORKS WI6090456 | CHIPPEWA FALLS | 13,375 | — | — | No result above limit |
| STOUGHTON WATERWORKS WI1130078 | STOUGHTON | 13,078 | — | — | No result above limit |
| DARBOY SANITARY DIST 1 WI4450117 | APPLETON | 13,024 | — | — | No result above limit |
| GLENDALE WATERWORKS WI2410168 | GLENDALE | 12,883 | — | — | No result above limit |
| PORT WASHINGTON WATERWORKS WI2460054 | PORT WASHINGTON | 12,853 | — | — | No result above limit |
| BROWN DEER WATERWORKS WI2410556 | BROWN DEER | 12,741 | — | — | No result above limit |
| BARABOO WATERWORKS WI1570085 | BARABOO | 12,703 | — | — | No result above limit |
| CEDARBURG L & W COMMISSION WI2460108 | CEDARBURG | 12,500 | — | — | No result above limit |
| FORT ATKINSON WATERWORKS WI1280103 | FORT ATKINSON | 12,390 | — | — | No result above limit |
| GRAFTON WATERWORKS WI2460111 | GRAFTON | 12,269 | — | — | No result above limit |
| PLATTEVILLE WATERWORKS WI1220115 | PLATTEVILLE | 12,268 | — | — | No result above limit |
| CALEDONIA EAST WATER UTILITY DISTRICT WI2520185 | Racine | 12,191 | — | — | No result above limit |
| LITTLE CHUTE WATERWORKS WI4450338 | LITTLE CHUTE | 12,168 | — | — | No result above limit |
| SUSSEX VILLAGE HALL & WATER UTILITY WI2680233 | Sussex | 11,750 | — | — | No result above limit |
| GREENVILLE UTILITIES VIL OF WI4450278 | GREENVILLE | 11,340 | — | — | No result above limit |
| TWO RIVERS WATERWORKS WI4360436 | TWO RIVERS | 11,270 | — | — | No result above limit |
| OREGON WATERWORKS WI1130251 | OREGON | 11,200 | — | — | No result above limit |
| MEQUON WATER UTILITY WI2460112 | MEQUON | 11,152 | — | — | No result above limit |
| BURLINGTON WATERWORKS WI2520177 | BURLINGTON | 11,043 | — | — | No result above limit |
| MARINETTE WATERWORKS WI4380395 | MARINETTE | 10,968 | — | — | No result above limit |
| FOX CROSSING UTILITIES EAST WI4710453 | NEENAH | 10,927 | — | — | No result above limit |
| NEW RICHMOND WATERWORKS WI6560126 | NEW RICHMOND | 10,824 | — | — | No result above limit |
| MONROE WATERWORKS WI1230078 | MONROE | 10,780 | — | — | No result above limit |
| PLEASANT PRAIRIE WATER UTILITY WI2300167 | PLEASANT PRAIRIE | 10,754 | — | — | No result above limit |
| DEFOREST WATERWORKS WI1130221 | DEFOREST | 10,500 | — | — | No result above limit |
| PORTAGE WATERWORKS WI1110039 | PORTAGE | 10,437 | — | — | No result above limit |
| ELKHORN WATERWORKS WI2650062 | ELKHORN | 10,317 | — | — | No result above limit |
| HOLMEN WATERWORKS WI6320306 | Holmen | 10,147 | — | — | No result above limit |
| SPARTA WATERWORKS WI6420297 | Sparta | 10,025 | — | — | No result above limit |
| FORT MCCOY NORTH POST WI6420302 | FORT MCCOY | 10,000 | — | — | No result above limit |
| REEDSBURG WATERWORKS WI1570102 | REEDSBURG | 9,984 | — | — | No result above limit |
| MILWAUKEE COUNTY GROUNDS WI2410778 | WAUWATOSA | 9,936 | — | — | No result above limit |
| STURGEON BAY WATERWORKS WI4150526 | STURGEON BAY | 9,700 | — | 4.2 | Exceeds |
| MCFARLAND WATERWORKS WI1130241 | MCFARLAND | 9,676 | — | — | No result above limit |
| MERRILL WATERWORKS WI7350123 | MERRILL | 9,661 | — | — | No result above limit |
| ALTOONA WATERWORKS WI6180280 | Altoona | 9,627 | — | — | No result above limit |
| SHAWANO WATERWORKS WI4590456 | SHAWANO | 9,610 | — | — | No result above limit |
| COTTAGE GROVE WATERWORKS WI1130218 | COTTAGE GROVE | 9,345 | — | — | No result above limit |
| HARTLAND WATERWORKS WI2680205 | HARTLAND | 9,212 | 4.4 | 4.6 | Exceeds |
| TOMAH WATERWORKS WI6420254 | TOMAH | 9,192 | — | — | No result above limit |
| DELAVAN WATERWORKS WI2650113 | DELAVAN | 9,028 | — | — | No result above limit |
| RICE LAKE WATERWORKS WI6030138 | RICE LAKE | 9,012 | — | — | No result above limit |
| PLYMOUTH UTILITIES WI4600446 | PLYMOUTH | 8,964 | — | — | No result above limit |
| SHEBOYGAN FALLS UTILITIES WI4600455 | SHEBOYGAN FALLS | 8,687 | — | — | No result above limit |
| PEWAUKEE CITY WATER AND SEWER UTILITY WI2680214 | PEWAUKEE | 8,671 | 8.5 | 12 | Exceeds |
| MONONA WATERWORKS WI1130245 | MONONA | 8,624 | — | — | No result above limit |
| RHINELANDER WATER & WASTEWATER WI7440126 | RHINELANDER | 8,234 | 6.8 | — | Exceeds |
| MUKWONAGO WATERWORKS WI2680209 | MUKWONAGO | 8,190 | — | — | No result above limit |
| PEWAUKEE VILLAGE WATERWORKS WI2680229 | PEWAUKEE | 8,166 | — | — | No result above limit |
| MUSKEGO WATER UTILITY WI2681741 | MUSKEGO | 8,150 | — | — | No result above limit |
| WAUPUN UTILITIES WI1140131 | WAUPUN | 8,056 | — | — | No result above limit |
| ASHLAND WATER UTILITY WI8020373 | ASHLAND | 8,000 | — | — | No result above limit |
| JEFFERSON WATERWORKS WI1280104 | JEFFERSON | 7,926 | — | — | No result above limit |
| JACKSON WATERWORKS WI2670111 | JACKSON | 7,844 | — | — | No result above limit |
| ANTIGO WATERWORKS WI7340086 | Antigo | 7,780 | — | — | No result above limit |
| MT HOREB WATERWORKS WI1130247 | MOUNT HOREB | 7,756 | — | — | No result above limit |
| RIPON WATER UTILITY WI4200476 | RIPON | 7,716 | — | — | No result above limit |
| KIMBERLY WATERWORKS WI4450342 | KIMBERLY | 7,608 | — | — | No result above limit |
| LEDGEVIEW TN SANITARY DIST 2 WI4051418 | DE PERE | 7,602 | — | — | No result above limit |
| NEW LONDON WATERWORKS WI4690398 | NEW LONDON | 7,187 | — | — | No result above limit |
| BROOKFIELD ZONE 3 MISSION HGTS WI2680178 | BROOKFIELD | 7,136 | — | — | No result above limit |
| LAKE GENEVA UTILITY COMMISSION WI2650066 | Lake Geneva | 7,107 | 4.7 | — | Exceeds |
| KRONENWETTER WATER & SEWER UTILITY WI7371700 | KRONENWETTER | 6,931 | — | — | No result above limit |
| FOX POINT WATERWORKS WI2410584 | FOX POINT | 6,808 | — | — | No result above limit |
| LAKE HALLIE WATERWORKS VILLAGE OF WI6090849 | CHIPPEWA FALLS | 6,701 | — | — | No result above limit |
| TOWN OF BROOKFIELD SAN DIST 4 WI2680239 | BROOKFIELD | 6,419 | — | — | No result above limit |
| RIB MOUNTAIN WATER UTILITY WI7370660 | WAUSAU | 6,398 | 5.2 | 9.4 | Exceeds |
| LAKE MILLS WATERWORKS WI1280108 | LAKE MILLS | 6,211 | — | — | No result above limit |
| WAUPACA WATERWORKS WI4690402 | WAUPACA | 6,062 | — | 4.3 | Exceeds |
| PRAIRIE DU CHIEN WATERWORKS WI6120250 | PRAIRIE DU CHIEN | 6,005 | — | 39 | Exceeds |
| EVANSVILLE WATERWORKS WI1540047 | EVANSVILLE | 5,703 | — | — | No result above limit |
| SLINGER WATER UTILITY WI2670116 | Slinger | 5,659 | — | — | No result above limit |
| MILTON WATERWORKS WI1540130 | MILTON | 5,588 | — | — | No result above limit |
| BERLIN WATERWORKS WI4240216 | BERLIN | 5,524 | — | — | No result above limit |
| EDGERTON WATERWORKS WI1540119 | EDGERTON | 5,512 | — | — | No result above limit |
| HARRISON UTILITIES - FKA WAVERLY SD WI4080076 | MENASHA | 5,500 | — | — | No result above limit |
| HO CHUNK CASINO WI1570639 | BLACK RIVER FALLS | 5,486 | — | — | No result above limit |
| NORTH FOND DU LAC WATERWORKS WI4200405 | NORTH FOND DU LAC | 5,414 | — | — | No result above limit |
| LAWRENCE WATERWORKS WI4051625 | DE PERE | 5,398 | — | — | No result above limit |
| WATERFORD WATERWORKS WI2520202 | WATERFORD | 5,368 | — | — | No result above limit |
| SAND PILLOW 055295011 | BLACK RIVER FALLS | 5,230 | — | — | No result above limit |
| COLUMBUS UTILITIES WI1110038 | COLUMBUS | 5,173 | — | — | No result above limit |
| MAYVILLE WATERWORKS WI1140057 | MAYVILLE | 5,112 | — | — | No result above limit |
| RICHLAND CENTER WATERWORKS WI1530068 | RICHLAND CENTER | 5,100 | — | — | No result above limit |
| EAST TROY WATERWORKS WI2650123 | EAST TROY | 5,054 | — | — | No result above limit |
| WEST SALEM WATERWORKS WI6320334 | WEST SALEM | 5,045 | — | — | No result above limit |
| STURTEVANT WATERWORKS WI2520195 | Sturtevant | 4,970 | — | — | No result above limit |
| SHAWANO LK SAN DIST 1 WI4590457 | SHAWANO | 4,950 | — | — | No result above limit |
| UNION GROVE WATERWORKS WI2520200 | UNION GROVE | 4,900 | — | — | No result above limit |
| SUAMICO WATERWORKS WI4051031 | SUAMICO | 4,697 | — | — | No result above limit |
| CLINTONVILLE UTILITIES WI4690391 | CLINTONVILLE | 4,635 | — | — | No result above limit |
| WINDSOR WATER UTILITY SOUTH WI1130267 | WINDSOR | 4,607 | — | — | No result above limit |
| SHEBOYGAN TN WATERWORKS WI4600403 | SHEBOYGAN | 4,596 | — | — | Exceeds |
| DODGEVILLE WATERWORKS WI1250079 | DODGEVILLE | 4,583 | — | — | No result above limit |
| OCONTO WATERWORKS WI4430495 | OCONTO | 4,583 | — | — | No result above limit |
| CAMPBELL, TOWN OF WI6321109 | LA CROSSE | 4,570 | — | — | No result above limit |
| MAUSTON WATERWORKS WI7290129 | MAUSTON | 4,456 | — | — | No result above limit |
| BALDWIN WATERWORKS WI6560119 | BALDWIN | 4,440 | — | — | No result above limit |
| ONEIDA #1 OR SITE #1 055295703 | ONEIDA | 4,393 | — | — | No result above limit |
| VIROQUA WATERWORKS WI6630263 | VIROQUA | 4,362 | — | — | No result above limit |
| 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 | — | — | No result above limit |
| CROSS PLAINS WATERWORKS WI1130219 | CROSS PLAINS | 4,100 | — | — | No result above limit |
| BLOOMFIELD, VILLAGE OF WI2651469 | PELL LAKE | 4,071 | — | — | No result above limit |
| PULASKI WATERWORKS WI4050355 | PULASKI | 4,040 | — | — | No result above limit |
| PRAIRIE DU SAC WATERWORKS WI1570100 | PRAIRIE DU SAC | 4,006 | — | — | No result above limit |
| KESHENA 055295508 | KESHENA | 3,960 | — | — | No result above limit |
| ALGOMA TN SANITARY DIST 1 WI4711611 | OSHKOSH | 3,935 | — | — | No result above limit |
| KIEL WATERWORKS WI4360427 | KIEL | 3,932 | — | — | No result above limit |
| CABELAS - RICHFIELD WI2671753 | RICHFIELD | 3,931 | — | — | No result above limit |
| LANCASTER WATERWORKS WI1220107 | LANCASTER | 3,907 | — | — | No result above limit |
| YORKVILLE UTILITY DIST 1 WI2521735 | UNION GROVE | 3,900 | — | — | No result above limit |
| MARSHALL WATERWORKS WI1130237 | MARSHALL | 3,862 | — | — | No result above limit |
| WRIGHTSTOWN WATERWORKS WI4050464 | WRIGHTSTOWN | 3,815 | — | — | No result above limit |
| ARCADIA WATERWORKS WI6620319 | Arcadia | 3,737 | — | — | No result above limit |
| WAUPUN CORRECTIONAL INST WI1140142 | MADISON | 3,706 | — | — | No result above limit |
| HORICON WATERWORKS WI1140146 | HORICON | 3,682 | — | — | No result above limit |
| BLOOMER WATERWORKS WI6090448 | BLOOMER | 3,680 | — | — | No result above limit |
| HOBART WATERWORKS S A 1 WI4051698 | HOBART | 3,670 | — | — | No result above limit |
| OMRO WATERWORKS WI4710357 | OMRO | 3,629 | — | — | No result above limit |
| NORTH HUDSON WATERWORKS WI6560133 | Hudson | 3,626 | — | — | No result above limit |
| COMBINED LOCKS WATERWORKS WI4450409 | COMBINED LOCKS | 3,609 | — | — | No result above limit |
| BLACK RIVER FALLS WATERWORKS WI6270244 | Black River Falls | 3,608 | — | — | No result above limit |
| SEYMOUR WATERWORKS WI4450337 | SEYMOUR | 3,601 | — | — | No result above limit |
| WATERLOO WATERWORKS WI1280115 | WATERLOO | 3,520 | — | — | No result above limit |
| SAUK CITY WATERWORKS WI1570105 | Sauk City | 3,518 | — | — | No result above limit |
| CRESTVIEW UTILITY DISTRICT WI2520186 | Racine | 3,500 | — | — | No result above limit |
| STANLEY WATERWORKS WI6090462 | STANLEY | 3,500 | — | — | No result above limit |
| KESHENA 055295502 | KESHENA | 3,500 | — | — | No result above limit |
| BARRON LIGHT & WATER DEPT WI6030125 | BARRON | 3,423 | — | — | No result above limit |
| PESHTIGO WATERWORKS WI4380442 | PESHTIGO | 3,420 | — | — | No result above limit |
| MOSINEE WATERWORKS WI7370159 | Mosinee | 3,406 | — | — | No result above limit |
| SOMERSET WATERWORKS WI6560137 | SOMERSET | 3,334 | — | — | No result above limit |
| JOHNSON CREEK WATERWORKS WI1280107 | JOHNSON CREEK | 3,318 | — | — | No result above limit |
| ELLSWORTH WATERWORKS WI6480239 | ELLSWORTH | 3,304 | — | — | No result above limit |
| WASHINGTON HTS SANITARY DIST WI6180293 | EAU CLAIRE | 3,300 | — | — | No result above limit |
| BRILLION WATERWORKS WI4080221 | BRILLION | 3,262 | — | — | No result above limit |
| FREEDOM SANITARY DISTRICT WI4451607 | FREEDOM | 3,260 | — | — | No result above limit |
| BOSCOBEL WATERWORKS WI1220089 | BOSCOBEL | 3,237 | — | — | No result above limit |
| WISCONSIN DELLS WATERWORKS WI1110113 | WISCONSIN DELLS | 3,232 | — | — | No result above limit |
| ALGOMA WATERWORKS WI4310280 | ALGOMA | 3,219 | — | — | No result above limit |
| BRODHEAD WATERWORKS WI1230072 | BRODHEAD | 3,216 | — | — | No result above limit |
| ROTHSCHILD WATERWORKS WI7370161 | Rothschild | 3,190 | — | — | No result above limit |
| LADYSMITH WATERWORKS WI8550131 | LADYSMITH | 3,184 | — | — | No result above limit |
| TOMAHAWK WATERWORKS WI7350127 | Tomahawk | 3,180 | 21 | — | Exceeds |
| LODI WATERWORKS WI1110100 | LODI | 3,146 | — | — | No result above limit |
| SHERWOOD WATERWORKS WI4080271 | SHERWOOD | 3,114 | — | — | No result above limit |
| OOSTBURG WATERWORKS WI4600445 | OOSTBURG | 3,110 | — | — | No result above limit |
| LAKE COMO SANITARY DIST 1 WI2651536 | LAKE GENEVA | 3,038 | — | — | No result above limit |
| DRY TOWN 055295310 | HAYWARD | 3,030 | — | — | No result above limit |
| HORTONVILLE WATER UTILITY WI4450411 | HORTONVILLE | 3,028 | — | — | No result above limit |
| NEW HOLSTEIN WATERWORKS WI4080270 | NEW HOLSTEIN | 3,012 | — | — | No result above limit |
| PARK FALLS WATERWORKS WI8510130 | PARK FALLS | 2,993 | — | — | No result above limit |
| AMERY WATERWORKS WI6490328 | AMERY | 2,962 | — | — | No result above limit |
| LAC DU FLAMBEAU 055295401 | LAC DU FLAMBEAU | 2,962 | — | — | No result above limit |
| LAKE DELTON WATERWORKS WI1570664 | LAKE DELTON | 2,914 | — | — | No result above limit |
| OCONTO FALLS WATERWORKS WI4430496 | OCONTO FALLS | 2,892 | — | — | No result above limit |
| KEWAUNEE WATERWORKS WI4310281 | KEWAUNEE | 2,848 | — | — | No result above limit |
| SOUTH-CENTRAL WATER SYSTEM 055295003 | BOWLER | 2,805 | — | — | No result above limit |
| MENDOTA MENTAL HEALTH INST WI1130235 | MADISON | 2,787 | — | — | No result above limit |
| ROME WATER UTILITY WI7010108 | NEKOOSA | 2,775 | — | — | No result above limit |
| GENOA CITY WATERWORKS WI2650058 | GENOA CITY | 2,766 | — | — | No result above limit |
| LUXEMBURG WATERWORKS WI4310282 | LUXEMBURG | 2,737 | — | — | No result above limit |
| GREEN RIDGE GLENDALE WI2680194 | NEW BERLIN | 2,732 | — | — | No result above limit |
| BELLEVILLE WATERWORKS WI1130209 | BELLEVILLE | 2,712 | — | — | No result above limit |
| LOMIRA WATERWORKS WI1140151 | LOMIRA | 2,701 | — | — | No result above limit |
| BROCKWAY SANITARY DIST 1 WI6270299 | Black River Falls | 2,692 | — | — | No result above limit |
| DENMARK WATERWORKS WI4050351 | DENMARK | 2,684 | — | — | No result above limit |
| OSCEOLA WATERWORKS WI6490341 | OSCEOLA | 2,680 | — | — | No result above limit |
| MONDOVI WATERWORKS WI6060193 | MONDOVI | 2,667 | — | — | No result above limit |
| SPOONER WATERWORKS WI8660305 | SPOONER | 2,653 | — | — | No result above limit |
| JUNEAU WATERWORKS WI1140058 | JUNEAU | 2,627 | — | — | No result above limit |
| WILLIAMS BAY WATERWORKS WI2650060 | WILLIAMS BAY | 2,601 | — | — | No result above limit |
| HAYWARD WATER UTILITY WI8580532 | Hayward | 2,552 | — | — | No result above limit |
| NEW LISBON WATERWORKS WI7290132 | NEW LISBON | 2,526 | — | — | No result above limit |
| POYNETTE WATERWORKS WI1110037 | POYNETTE | 2,520 | — | — | No result above limit |
| DEERFIELD WATERWORKS WI1130223 | DEERFIELD | 2,510 | — | — | No result above limit |
| FENNIMORE WATERWORKS WI1220096 | FENNIMORE | 2,507 | — | — | No result above limit |
| ABBOTSFORD WATERWORKS WI7370148 | ABBOTSFORD | 2,502 | — | — | No result above limit |
| WINNECONNE WATERWORKS WI4710354 | WINNECONNE | 2,502 | — | — | No result above limit |
| BELGIUM WATERWORKS WI2460107 | BELGIUM | 2,493 | — | — | No result above limit |
| MINERAL POINT WATERWORKS WI1250084 | MINERAL POINT | 2,487 | — | — | No result above limit |
| WESTBY WATERWORKS WI6630267 | WESTBY | 2,400 | — | — | No result above limit |
| NEKOOSA WATERWORKS WI7720169 | Nekoosa | 2,394 | — | — | No result above limit |
| NEILLSVILLE WATERWORKS WI6100330 | Neillsville | 2,384 | — | — | No result above limit |
| LAKELAND SANITARY DIST 1 WI7440116 | Minocqua | 2,381 | — | — | No result above limit |
| DOUSMAN WATER UTILITY WI2680197 | Dousman | 2,350 | — | — | No result above limit |
| NEW GLARUS WATERWORKS WI1230084 | NEW GLARUS | 2,348 | — | — | No result above limit |
| CUMBERLAND WATERWORKS WI6030132 | CUMBERLAND | 2,311 | — | — | No result above limit |
| WALWORTH WATERWORKS WI2650149 | WALWORTH | 2,304 | — | — | No result above limit |
| WASHBURN WATERWORKS WI8040132 | WASHBURN | 2,280 | — | — | No result above limit |
| WAUTOMA WATER DEPT WI4700718 | WAUTOMA | 2,280 | — | — | No result above limit |
| FREDONIA WATERWORKS WI2460109 | FREDONIA | 2,279 | — | — | No result above limit |
| KOHLER WATERWORKS WI4600444 | KOHLER | 2,271 | — | — | No result above limit |
| GENEVA NATIONAL COMMUNITY SERVICES WI2650907 | Lake Geneva | 2,250 | — | — | No result above limit |
| DARLINGTON WATERWORKS WI1330073 | DARLINGTON | 2,235 | — | — | No result above limit |
| CEDAR GROVE WATERWORKS WI4600437 | CEDAR GROVE | 2,213 | — | — | No result above limit |
| SCHOFIELD WATERWORKS WI7370162 | SCHOFIELD | 2,205 | 4.7 | — | Exceeds |
| BUTLER WATERWORKS WI2680191 | BUTLER | 2,181 | — | — | No result above limit |
| PARDEEVILLE WATERWORKS WI1110049 | PARDEEVILLE | 2,151 | — | — | No result above limit |
| CUBA CITY WATERWORKS WI1220092 | CUBA CITY | 2,141 | — | — | No result above limit |
| CLINTON WATERWORKS WI1540114 | CLINTON | 2,119 | — | — | No result above limit |
| PRAIRIE VILLAGE WATER TRUST WI2680277 | NORTH PRAIRIE | 2,100 | — | — | No result above limit |
| RED CLIFF NORTH 055295802 | BAYFIELD | 2,080 | — | — | No result above limit |
| ST CROIX FALLS WATERWORKS WI6490343 | ST. CROIX FALLS | 2,079 | — | — | No result above limit |
| REDGRANITE WATERWORKS WI4700269 | REDGRANITE | 2,019 | — | — | No result above limit |
| CEX' HA CI 055295015 | BLACK RIVER FALLS | 2,002 | — | — | No result above limit |
| FONTANA WATERWORKS SYSTEM 2 SOUTH WI2650743 | FONTANA | 2,000 | — | — | No result above limit |
| BROOKFIELD ZONE 2 DOMINIC HGTS WI2680255 | BROOKFIELD | 1,961 | — | — | No result above limit |
| CRANDON WATERWORKS WI7210107 | CRANDON | 1,958 | — | — | No result above limit |
| HARMONY GROVE SAN DIST WI1110101 | LODI | 1,950 | — | — | No result above limit |
| EAGLE WATERWORKS WI2680198 | EAGLE | 1,950 | — | — | No result above limit |
| FRED ASH WI2680252 | BROOKFIELD | 1,936 | — | — | No result above limit |
| CHETEK WATERWORKS WI6030129 | CHETEK | 1,931 | — | — | No result above limit |
| SOMERS WATER UTILITY WI2301421 | SOMERS | 1,930 | — | — | No result above limit |
| TREMPEALEAU WATERWORKS WI6620332 | TREMPEALEAU | 1,888 | — | — | No result above limit |
| HAMMOND WATERWORKS WI6560121 | HAMMOND | 1,884 | — | — | No result above limit |
| SCOTT WATER UTILITY DIST WI4050071 | NEW FRANKEN | 1,875 | — | — | No result above limit |
| ROBERTS WATERWORKS WI6560134 | Roberts | 1,872 | — | — | No result above limit |
| DURAND WATERWORKS WI6470107 | Durand | 1,868 | — | — | No result above limit |
| PORT EDWARDS WATER UTILITY WI7720113 | Port Edwards | 1,866 | — | — | No result above limit |
| SPENCER WATERWORKS WI7370108 | SPENCER | 1,848 | — | — | No result above limit |
| ADAMS WATERWORKS WI7010107 | ADAMS | 1,847 | — | — | No result above limit |
| NEW ODANAH 055295102 | ODANAH | 1,839 | — | — | No result above limit |
| FONTANA WATER UTILITY WI2650128 | FONTANA | 1,839 | — | — | No result above limit |
| COLBY WATERWORKS WI7370169 | Colby | 1,829 | — | — | No result above limit |
| CAMPBELLSPORT WATERWORKS WI4200461 | CAMPBELLSPORT | 1,825 | — | — | No result above limit |
| WHITEHALL WATERWORKS WI6620275 | Whitehall | 1,820 | — | — | No result above limit |
| WEYAUWEGA WATERWORKS WI4690403 | WEYAUWEGA | 1,820 | — | — | No result above limit |
| WIND POINT WATER DEPT WI2520191 | RACINE | 1,804 | — | — | No result above limit |
| RANDOLPH WATER DEPT WI1110125 | RANDOLPH | 1,800 | — | — | No result above limit |
| SOUTH LAWN SAN DISTRICT WI2520197 | RACINE | 1,800 | — | — | No result above limit |
| MENOMONEE FALLS WW - GROUNDWATER WI2685747 | MENOMONEE FALLS | 1,796 | — | — | No result above limit |
| FALL RIVER WATERWORKS WI1110098 | FALL RIVER | 1,793 | — | — | No result above limit |
| CAMERON WATERWORKS WI6030127 | CAMERON | 1,787 | — | — | No result above limit |
| PALMYRA WATERWORKS WI1280112 | PALMYRA | 1,756 | — | 6.2 | Exceeds |
| MAZOMANIE WATERWORKS WI1130239 | MAZOMANIE | 1,744 | — | — | No result above limit |
| WHITING WATERWORKS WI7500136 | STEVENS POINT | 1,743 | — | — | No result above limit |
| CITY OF PEWAUKEE WATER & SEWER UTILITY - WI2684045 | PEWAUKEE | 1,708 | — | — | No result above limit |
| OSSEO WATERWORKS WI6620328 | OSSEO | 1,701 | — | — | No result above limit |
| MARATHON CITY WATERWORKS WI7370151 | MARATHON CITY | 1,695 | — | — | No result above limit |
| GALESVILLE WATERWORKS WI6620271 | GALESVILLE | 1,679 | — | — | No result above limit |
| SHOREWOOD HILLS WATERWORKS WI1130236 | MADISON | 1,670 | — | — | No result above limit |
| STRATFORD WATERWORKS WI7370168 | Stratford | 1,643 | — | — | No result above limit |
| CAMBRIDGE WATER & SEWER UTILITY WI1130074 | CAMBRIDGE | 1,638 | — | — | No result above limit |
| THORP WATERWORKS WI6100337 | THORP | 1,636 | — | — | No result above limit |
| SPRING GREEN WATERWORKS WI1570109 | SPRING GREEN | 1,626 | — | — | No result above limit |
| FOX LAKE WATERWORKS WI1140145 | FOX LAKE | 1,610 | — | — | No result above limit |
| RANDOM LAKE WATERWORKS WI4600355 | RANDOM LAKE | 1,594 | — | — | No result above limit |
| DARIEN WATERWORKS WI2650057 | DARIEN | 1,573 | — | — | No result above limit |
| ELKHART LAKE WATERWORKS WI4600439 | ELKHART LAKE | 1,567 | — | — | No result above limit |
| NIAGARA WATERWORKS WI4380439 | NIAGARA | 1,561 | — | — | No result above limit |
| BROOKFIELD ZONE 2 CARRIAGE HILLS WI2680254 | BROOKFIELD | 1,550 | — | — | No result above limit |
| FEDERAL CORRECTIONAL INSTITUTION WI7010105 | Oxford | 1,550 | — | — | No result above limit |
| SHARON WATERWORKS WI2650145 | SHARON | 1,549 | — | — | No result above limit |
| KETTLE MORAINE CORRECTIONAL INSTITUTION WI4600449 | MADISON | 1,544 | — | — | No result above limit |
| EAGLE RIVER WATERWORKS WI7640113 | EAGLE RIVER | 1,530 | — | — | No result above limit |
| CLEVELAND WATERWORKS WI4360426 | CLEVELAND | 1,524 | — | — | No result above limit |
| BROOKLYN WATERWORKS WI1230075 | BROOKLYN | 1,524 | — | — | No result above limit |
| BANGOR WATERWORKS WI6320233 | Bangor | 1,520 | — | — | No result above limit |
| HURLEY WATERWORKS WI8260116 | HURLEY | 1,515 | — | — | No result above limit |
| CONCORDIA UNIVERSITY WI2460118 | MEQUON | 1,500 | — | — | No result above limit |
| VETERANS ADMIN MEDICAL CENTER WI6420300 | TOMAH | 1,500 | — | — | No result above limit |
| INDEPENDENCE WATERWORKS WI6620276 | INDEPENDENCE | 1,500 | — | — | No result above limit |
| STURGEON BAY WEST L WTRWRKS WI4150479 | STURGEON BAY | 1,500 | — | — | No result above limit |
| BLACK EARTH WATERWORKS WI1130211 | BLACK EARTH | 1,493 | — | — | No result above limit |
| EDGAR WATERWORKS WI7370150 | Edgar | 1,491 | — | — | No result above limit |
| BONDUEL WATERWORKS WI4590450 | BONDUEL | 1,475 | — | — | No result above limit |
| ORFORDVILLE WATERWORKS WI1540132 | ORFORDVILLE | 1,475 | — | — | No result above limit |
| PHILLIPS WATERWORKS WI8510131 | Phillips | 1,473 | — | — | No result above limit |
| GRANTSBURG WATERWORKS WI8070310 | GRANTSBURG | 1,460 | — | — | No result above limit |
| MUSCODA WATERWORKS WI1220112 | MUSCODA | 1,453 | — | — | No result above limit |
| AUGUSTA WATERWORKS WI6180231 | AUGUSTA | 1,450 | — | — | No result above limit |
| MISHICOT WATERWORKS WI4360430 | MISHICOT | 1,432 | — | — | No result above limit |
| WEST BARABOO WATERWORKS WI1570112 | BARABOO | 1,414 | — | — | No result above limit |
| SPRING VALLEY WATERWORKS WI6480249 | SPRING VALLEY | 1,409 | — | — | No result above limit |
| CORNELL WATERWORKS WI6090458 | CORNELL | 1,390 | — | — | No result above limit |
| WOODVILLE WATERWORKS WI6560138 | Woodville | 1,386 | — | — | No result above limit |
| NEW BERLIN WEST MIDDLE HIGH SCHOOL WI2680813 | NEW BERLIN | 1,380 | — | — | No result above limit |
| MARKESAN WATERWORKS WI4240218 | MARKESAN | 1,365 | — | — | No result above limit |
| WE ENERGIES 1 - VILLE DU PARC 5 WI2460065 | MILWAUKEE | 1,360 | — | — | No result above limit |
| CADOTT WATERWORKS WI6090450 | CADOTT | 1,352 | — | — | No result above limit |
| MAPLE BLUFF WATERWORKS WI1130234 | MADISON | 1,342 | — | — | No result above limit |
| BLACK CREEK WATERWORKS WI4450408 | BLACK CREEK | 1,336 | — | — | No result above limit |
| ELROY WATERWORKS WI7290122 | ELROY | 1,333 | — | — | No result above limit |
| MONTELLO WATERWORKS WI4390281 | MONTELLO | 1,329 | — | — | No result above limit |
| HILLSBORO WATERWORKS WI6630257 | Hillsboro | 1,325 | — | — | No result above limit |
| LOYAL WATERWORKS WI6100329 | Loyal | 1,308 | — | — | No result above limit |
| MANAWA WATERWORKS WI4690345 | MANAWA | 1,300 | — | — | No result above limit |
| MARION WATERWORKS WI4690396 | MARION | 1,293 | — | — | No result above limit |
| HERTEL WEST 055295902 | WEBSTER | 1,281 | — | — | No result above limit |
| BLAIR WATERWORKS WI6620274 | BLAIR | 1,280 | — | — | No result above limit |
| FALL CREEK WATERWORKS WI6180296 | Fall Creek | 1,269 | — | — | No result above limit |
| GILLETT WATERWORKS WI4430490 | GILLETT | 1,264 | — | — | No result above limit |
| THERESA WATERWORKS WI1140154 | THERESA | 1,262 | — | — | No result above limit |
| MOLE LAKE 055295601 | CRANDON | 1,260 | — | — | No result above limit |
| BARNEVELD WATERWORKS WI1250075 | BARNEVELD | 1,258 | — | — | No result above limit |
| FLORENCE UTILITY COMMISSION WI4190155 | FLORENCE | 1,250 | — | — | No result above limit |
| IOLA WATERWORKS WI4690394 | IOLA | 1,249 | — | — | No result above limit |
| FREDERIC WATERWORKS WI6490337 | FREDERIC | 1,241 | — | — | No result above limit |
| WISCONSIN VETERANS HOME WI4690395 | KING | 1,240 | — | — | No result above limit |
| SHULLSBURG WATERWORKS WI1330076 | SHULLSBURG | 1,222 | — | — | No result above limit |
| MONTICELLO WATERWORKS WI1230083 | MONTICELLO | 1,217 | — | — | No result above limit |
| BROOKFIELD HILLS WI2680276 | Hales Corners | 1,200 | — | — | No result above limit |
| WAUNONA SANITARY DISTRICT 2 WI1130742 | MADISON | 1,200 | — | — | No result above limit |
| LAKELAND UNIVERSITY WI4600487 | PLYMOUTH | 1,200 | — | — | No result above limit |
| REEDSVILLE WATERWORKS WI4360431 | REEDSVILLE | 1,200 | — | — | No result above limit |
| FRANKLIN ROOT RIVER WI2410564 | FRANKLIN | 1,200 | — | — | No result above limit |
| WITTENBERG WATERWORKS WI4590465 | WITTENBERG | 1,200 | — | — | No result above limit |
| HAZEL GREEN WATERWORKS WI1220102 | HAZEL GREEN | 1,193 | — | — | No result above limit |
| HILBERT WATERWORKS WI4080269 | HILBERT | 1,176 | — | — | No result above limit |
| PRINCETON WATERWORKS WI4240219 | PRINCETON | 1,166 | — | — | No result above limit |
| NEOPIT 055295503 | KESHENA | 1,162 | — | — | No result above limit |
| NEOPIT 055295510 | KESHENA | 1,162 | — | — | No result above limit |
| LUCK WATERWORKS WI6490338 | LUCK | 1,150 | — | — | No result above limit |
| CASHTON WATERWORKS WI6420294 | CASHTON | 1,120 | — | — | No result above limit |
| AMHERST WATERWORKS WI7500094 | AMHERST | 1,119 | — | — | No result above limit |
| DANE WATERWORKS WI1130220 | DANE | 1,117 | — | — | No result above limit |
| COLFAX WATERWORKS WI6170261 | COLFAX | 1,102 | — | — | No result above limit |
| GLENWOOD CITY WATERWORKS WI6560120 | GLENWOOD CITY | 1,102 | — | — | No result above limit |
| STRUM WATERWORKS WI6620331 | Strum | 1,100 | — | — | No result above limit |
| OAKHILL CORRECTIONAL INST WI1130250 | OREGON | 1,096 | — | — | No result above limit |
| RIO WATERWORKS WI1110111 | RIO | 1,095 | — | — | No result above limit |
| GREENWOOD WATERWORKS WI6100328 | GREENWOOD | 1,079 | — | — | No result above limit |
| TURTLE LAKE WATERWORKS WI6030142 | TURTLE LAKE | 1,073 | — | — | No result above limit |
| DICKEYVILLE WATERWORKS WI1220094 | DICKEYVILLE | 1,069 | — | — | No result above limit |
| ROBERT WILLIAM PARK WATER ASSOCIATION INC WI2410589 | MILWAUKEE | 1,065 | — | — | No result above limit |
| HUSTISFORD WATERWORKS WI1140148 | HUSTISFORD | 1,063 | — | — | No result above limit |
| CLEAR LAKE WATERWORKS WI6490335 | Clear Lake | 1,061 | — | — | No result above limit |
| OAKFIELD WATERWORKS WI4200475 | OAKFIELD | 1,058 | — | — | No result above limit |
| ASHWOOD GROVE EDGEWATER WI4200485 | FOND DU LAC | 1,046 | — | — | No result above limit |
| MOSINEE EAST SYSTEM WI7372480 | Mosinee | 1,046 | — | — | No result above limit |
| BOYCEVILLE WATERWORKS WI6170260 | BOYCEVILLE | 1,043 | — | — | No result above limit |
| BALSAM LAKE WATERWORKS WI6490330 | Balsam Lake | 1,031 | — | — | No result above limit |
| CRIVITZ WATERWORKS WI4380411 | CRIVITZ | 1,026 | — | — | No result above limit |
| ATHENS WATERWORKS WI7370149 | ATHENS | 1,025 | — | — | No result above limit |
| SHELBY TN OF WEDGEWOOD VLY WI6320311 | La Crosse | 1,020 | — | — | No result above limit |
| ALBANY WATERWORKS WI1230071 | ALBANY | 1,018 | — | — | No result above limit |
| GREEN LAKE WATERWORKS WI4240217 | GREEN LAKE | 1,002 | — | — | No result above limit |
| BRISTOL VILLAGE OF EAST WI2300767 | BRISTOL | 1,001 | — | — | No result above limit |
| SISTER BAY WATERWORKS WI4150510 | SISTER BAY | 1,000 | — | — | No result above limit |
| BELMONT WATERWORKS WI1330069 | BELMONT | 991 | — | — | No result above limit |
| FOND DU LAC TN WATER UTILITY WI4200429 | FOND DU LAC | 980 | — | — | No result above limit |
| BENTON WATERWORKS WI1330070 | BENTON | 976 | — | — | No result above limit |
| COUNTRY CLUB ESTATES WATER USERS COOP WI2650131 | FONTANA | 975 | — | — | No result above limit |
| VALDERS WATERWORKS WI4360437 | VALDERS | 954 | — | — | No result above limit |
| SHELL LAKE WATERWORKS WI8660304 | SHELL LAKE | 950 | — | — | No result above limit |
| LAONA SANITARY DIST WI7210108 | LAONA | 950 | — | — | No result above limit |
| SOUTHERN WISCONSIN CENTER WI2520199 | UNION GROVE | 950 | — | — | No result above limit |
| BLUE MOUNDS WATERWORKS WI1130023 | BLUE MOUNDS | 950 | — | — | No result above limit |
| ARLINGTON WATERWORKS WI1110093 | ARLINGTON | 946 | — | — | No result above limit |
| RIB LAKE WATERWORKS WI8610126 | Rib Lake | 945 | — | — | No result above limit |
| PADDOCK LAKE WATERWORKS WI2300146 | SALEM | 945 | — | — | No result above limit |
| SIREN WATERWORKS WI8070311 | SIREN | 941 | — | — | No result above limit |
| IRON RIDGE WATERWORKS WI1140150 | IRON RIDGE | 937 | — | — | No result above limit |
| OWEN WATERWORKS WI6100334 | OWEN | 936 | — | — | No result above limit |
| DRESSER WATERWORKS WI6490336 | DRESSER | 936 | — | — | No result above limit |
| WINNEBAGO MENTAL HEALTH INSTITUTE WI4710455 | WINNEBAGO | 930 | — | — | No result above limit |
| PLAINFIELD WATERWORKS WI4700268 | PLAINFIELD | 924 | — | — | No result above limit |
| SHIOCTON UTILITIES WI4450415 | SHIOCTON | 921 | — | — | No result above limit |
| MILLTOWN WATERWORKS WI6490339 | MILLTOWN | 915 | — | — | No result above limit |
| CENTURIA WATERWORKS WI6490332 | CENTURIA | 900 | — | — | No result above limit |
| ELK MOUND WATERWORKS WI6170264 | ELK MOUND | 895 | — | — | No result above limit |
| LONE ROCK WATERWORKS WI1530061 | LONE ROCK | 895 | — | — | No result above limit |
| MONTREAL WATERWORKS WI8260121 | MONTREAL | 887 | — | — | No result above limit |
| BIRON WATER UTILITY WI7720171 | WISCONSIN RAPIDS | 879 | — | — | No result above limit |
| ARENA WATERWORKS WI1250073 | ARENA | 877 | — | — | No result above limit |
| BRANDON WATERWORKS WI4200402 | BRANDON | 872 | — | — | No result above limit |
| WE ENERGIES 3 WI2410203 | MEQUON | 863 | — | — | No result above limit |
| ALLENTON SANITARY DISTRICT WI2670104 | ALLENTON | 860 | — | — | No result above limit |
| STONE LAKE COMMUNITY 055295201 | CRANDON | 851 | — | — | No result above limit |
| HILLCREST ESTATES MHP WI6180285 | ALTOONA | 850 | — | — | No result above limit |
| NECEDAH WATERWORKS WI7290130 | Necedah | 844 | — | — | No result above limit |
| HIGHLAND WATERWORKS WI1250080 | HIGHLAND | 842 | — | — | No result above limit |
| DORCHESTER WATERWORKS WI6100326 | Dorchester | 834 | — | — | No result above limit |
| BIRNAMWOOD WATERWORKS WI4590449 | BIRNAMWOOD | 832 | — | — | No result above limit |
| ARGYLE WATERWORKS WI1330068 | ARGYLE | 823 | — | — | No result above limit |
| FOOTVILLE WATERWORKS WI1540125 | FOOTVILLE | 816 | — | — | No result above limit |
| PEPIN WATERWORKS WI6470141 | Pepin | 816 | — | — | No result above limit |
| BLANCHARDVILLE WATERWORKS WI1330071 | BLANCHARDVILLE | 810 | — | — | No result above limit |
| PITTSVILLE WATERWORKS WI7720112 | PITTSVILLE | 800 | — | — | No result above limit |
| WESTPORT WATER UTILITY WI1132442 | WAUNAKEE | 800 | — | — | No result above limit |
| ELMWOOD WATERWORKS WI6480250 | ELMWOOD | 798 | — | — | No result above limit |
| STODDARD WATERWORKS WI6630262 | Stoddard | 793 | — | — | No result above limit |
| PLAIN WATERWORKS WI1570098 | PLAIN | 792 | — | — | No result above limit |
| PARKVIEW HEALTH CENTER WI4710456 | WINNEBAGO | 790 | — | — | No result above limit |
| FRIENDSHIP WATERWORKS WI7010110 | FRIENDSHIP | 781 | — | — | No result above limit |
| CASSVILLE WATERWORKS WI1220091 | CASSVILLE | 777 | — | — | No result above limit |
| ALMA WATERWORKS WI6060192 | Alma | 769 | — | — | No result above limit |
| WYOCENA WATERWORKS WI1110124 | WYOCENA | 768 | — | — | No result above limit |
| CAMBRIA WATERWORKS WI1110041 | Cambria | 767 | — | — | No result above limit |
| COON VALLEY WATERWORKS WI6630252 | COON VALLEY | 765 | — | — | No result above limit |
| CLAYTON WATERWORKS WI6490334 | CLAYTOON | 765 | — | — | No result above limit |
| MERCER SANITARY DISTRICT WI8260120 | Mercer | 760 | — | — | No result above limit |
| WONEWOC WATERWORKS WI7290137 | WONEWOC | 758 | — | — | No result above limit |
| WHITELAW WATERWORKS WI4360439 | WHITELAW | 757 | — | — | No result above limit |
| WABENO SANITARY DIST 1 WI7210110 | WABENO | 750 | — | — | No result above limit |
| LAKE MEADOWS WATER TRUST WI2680228 | WAUKESHA | 750 | — | — | No result above limit |
| GLIDDEN SANITARY DISTRICT WI8020376 | GLIDDEN | 750 | — | — | No result above limit |
| MELLEN WATER UTILITY WI8020378 | MELLEN | 731 | — | — | No result above limit |
| COLEMAN WATERWORKS WI4380436 | COLEMAN | 727 | — | — | No result above limit |
| CRYSTAL LAKE RV RESORT LLC WI1110066 | LODI | 725 | — | — | No result above limit |
| HALE PARK MEADOWS WI2680216 | MUSKEGO | 720 | — | — | No result above limit |
| CALEDONIA WEST UTIL DIST- CADDY VISTA WI2520180 | RACINE | 719 | — | — | No result above limit |
| CASCADE WATERWORKS WI4600436 | CASCADE | 719 | — | — | No result above limit |
| MONTFORT WATERWORKS WI1220110 | MONTFORT | 718 | — | — | No result above limit |
| REESEVILLE WATERWORKS WI1140153 | REESEVILLE | 718 | — | — | No result above limit |
| POTOSI WATERWORKS WI1220117 | POTOSI | 718 | — | — | No result above limit |
| LA FARGE WATERWORKS WI6630258 | LA FARGE | 712 | — | — | No result above limit |
| WAUZEKA WATERWORKS WI6120253 | WAUZEKA | 711 | — | — | No result above limit |
| ST NAZIANZ WATERWORKS WI4360433 | ST NAZIANZ | 705 | — | — | No result above limit |
| TIGERTON WATERWORKS WI4590462 | TIGERTON | 705 | — | — | No result above limit |
| ALMENA WATERWORKS WI6030124 | ALMENA | 705 | — | — | No result above limit |
| WHITNALL EDGE SUBDIVISION WI2410608 | FRANKLIN | 700 | — | — | No result above limit |
| SADDLE RIDGE ESTATES WI1110123 | PORTAGE | 700 | — | — | No result above limit |
| DURHAM MEADOWS WATER TRUST WI2680213 | MUSKEGO | 700 | — | — | No result above limit |
| RIDGELAND 055295704 | ONEIDA | 691 | — | — | No result above limit |
| RIDGEWAY WATERWORKS WI1250087 | RIDGEWAY | 690 | — | — | No result above limit |
| BLOOMINGTON WATERWORKS WI1220085 | BLOOMINGTON | 682 | — | — | No result above limit |
| VIOLA WATERWORKS WI6630269 | Viola | 667 | — | — | No result above limit |
| LIVINGSTON WATERWORKS WI1220109 | LIVINGSTON | 664 | — | — | No result above limit |
| PRENTICE WATERWORKS WI8510132 | PRENTICE | 660 | — | — | No result above limit |
| HOBART WATERWORKS S A 3 WI4052077 | HOBART | 658 | — | — | No result above limit |
| NORWALK WATERWORKS WI6420296 | Norwalk | 653 | — | — | No result above limit |
| WEBSTER WATERWORKS WI8070312 | WEBSTER | 652 | — | — | No result above limit |
| GREENLEAF WATERWORKS WI4050466 | GREENLEAF | 650 | — | — | No result above limit |
| STOCKBRIDGE WATERWORKS WI4080407 | STOCKBRIDGE | 650 | — | — | No result above limit |
| ROCK RIVER LEISURE ESTATES COOP WI1540167 | EDGERTON | 650 | — | — | No result above limit |
| ROCKLAND WATERWORKS WI6320333 | Rockland | 642 | — | — | No result above limit |
| CAMP DOUGLAS WATERWORKS WI7290121 | Camp Douglas | 640 | — | — | No result above limit |
| ELEVA WATERWORKS WI6620270 | Eleva | 635 | — | — | No result above limit |
| CARTER COMMUNITY 055295205 | CRANDON | 634 | — | — | No result above limit |
| BROWNSVILLE WATERWORKS WI1140139 | BROWSVILLE | 630 | — | — | No result above limit |
| WE ENERGIES 3 - BAYSIDE WOODS WATER TRUST WI2410576 | MILWAUKEE | 629 | — | — | No result above limit |
| BRUCE WATERWORKS WI8550127 | BRUCE | 620 | — | — | No result above limit |
| MEQUON TRAIL TOWNHOMES WI2460817 | MEQUON | 615 | — | — | No result above limit |
| BIRDS EYE FOODS WI2650399 | DARIEN | 610 | — | — | No result above limit |
| IRON RIVER SANITARY DISTRICT WI8040131 | IRON RIVER | 600 | — | — | No result above limit |
| WE ENERGIES 1 - VILLE DU PARC WI2460115 | MILWAUKEE | 600 | — | — | No result above limit |
| FRED ASH WI2680250 | BROOKFIELD | 600 | — | — | No result above limit |
| LAKELAND NURSING HOME WI2650125 | ELKHORN | 600 | — | — | No result above limit |
| WE ENERGIES 3 -NORTH SHORE EAST WATER TRUST WI2410552 | BAYSIDE | 600 | — | — | No result above limit |
| LAC DU COURS SUBD (LEMONT UTILITY) WI2460117 | MILWAUKEE | 600 | — | — | No result above limit |
| HUNTINGTON PARK WI2460151 | MEQUON | 600 | — | — | No result above limit |
| BRISTOL WATERWORKS VILLAGE OF WI2300050 | BRISTOL | 598 | — | — | No result above limit |
| SOLDIERS GROVE WATERWORKS WI6120252 | SOLDIERS GROVE | 592 | — | — | No result above limit |
| DELAFIELD SQUARE WI2685812 | PEWAUKEE | 587 | — | — | No result above limit |
| LENA WATERWORKS WI4430493 | LENA | 585 | — | — | No result above limit |
| WAUSAUKEE WATERWORKS WI4380445 | WAUSAUKEE | 585 | — | — | No result above limit |
| AUTUMN RIDGE WATER SYSTEM LLC WI1281138 | IXONIA | 575 | — | — | No result above limit |
| ROCKY KNOLL HEALTH CARE FAC WI4600447 | SHEBOYGAN | 564 | — | — | No result above limit |
| STETSONVILLE WATERWORKS WI8610550 | STETSONVILLE | 563 | — | — | No result above limit |
| RED CLIFF SOUTH 055295801 | BAYFIELD | 562 | — | — | No result above limit |
| MINONG WATERWORKS WI8660303 | MINONG | 561 | — | — | No result above limit |
| KIELER SD NO 1 WI1220103 | KIELER | 560 | — | — | No result above limit |
| CEDAR HILLS WI2410574 | OAK CREEK | 560 | — | — | No result above limit |
| SURING WATERWORKS WI4430498 | SURING | 559 | — | — | No result above limit |
| ONTARIO WATERWORKS WI6630259 | Ontario | 554 | — | — | No result above limit |
| STAR PRAIRIE WATERWORKS WI6560141 | STAR PRAIRIE | 553 | — | — | No result above limit |
| PHELPS SANITARY DISTRICT WI7640114 | Phelps | 550 | — | — | No result above limit |
| HATLEY WATERWORKS WI7371256 | Hatley | 550 | — | — | No result above limit |
| NEW AUBURN WATERWORKS WI6090461 | NEW AUBURN | 549 | — | — | No result above limit |
| LINDEN WATERWORKS WI1250082 | LINDEN | 547 | — | — | No result above limit |
| AVOCA WATERWORKS WI1250074 | AVOCA | 545 | — | — | No result above limit |
| OUTAGAMIE CO HEALTH CENTER WI4450402 | APPLETON | 540 | — | — | No result above limit |
| WARRENS WATERWORKS WI6420305 | WARRENS | 540 | — | — | No result above limit |
| BOYD WATERWORKS WI6090449 | BOYD | 540 | — | — | No result above limit |
| ETTRICK WATERWORKS WI6620273 | Ettrick | 536 | — | — | No result above limit |
| GRESHAM WATERWORKS WI4590454 | GRESHAM | 534 | — | — | No result above limit |
| MERRILLAN WATERWORKS WI6270294 | MERRILLAN | 531 | — | — | No result above limit |
| SPACIOUS ACRES MOBILE HOME COMMUNITY WI1280114 | MENOMONIE FALLS | 525 | — | — | No result above limit |
| MELROSE WATERWORKS WI6270293 | MELROSE | 524 | — | — | No result above limit |
| CLARK CO HEALTH CARE CENTER WI6100336 | Owen | 510 | — | — | No result above limit |
| ADELL WATERWORKS WI4600435 | ADELL | 510 | — | — | No result above limit |
| MT ZION CHRISTIAN CHURCH WI2650822 | LAKE GENEVA | 509 | — | — | No result above limit |
| WITHEE WATERWORKS WI6100283 | WITHEE | 506 | — | — | No result above limit |
| ST EDWARD SCH & CH WI4450623 | APPLETON | 505 | — | — | No result above limit |
| ST JOSEPH SAN DIST 1 WI6320318 | La Crosse | 503 | — | — | No result above limit |
| THREE LAKES SANITARY DISTRICT WI7440129 | THREE LAKES | 500 | — | — | No result above limit |
| DRUMMOND SANITARY DISTRICT WI8040129 | DRUMMOND | 500 | — | — | No result above limit |
| WALDO WATERWORKS WI4600456 | WALDO | 500 | — | — | No result above limit |
| COUNTRY ESTATES SANITARY DISTRICT TOWN OF LYONS 1 WI2650127 | BURLINGTON | 500 | — | — | No result above limit |
| INTERLAKEN RESORT AND VILLAGE WI2650143 | LAKE GENEVA | 500 | — | — | No result above limit |
| LAKE DRIVE WATER TRUST WI2683440 | WAUKESHA | 500 | — | — | No result above limit |
| BAY CITY WATERWORKS WI6480153 | BAY CITY | 499 | — | — | No result above limit |
| TAYLOR WATERWORKS WI6270297 | TAYLOR | 498 | — | — | No result above limit |
| HOLLAND TN SANITARY DIST WI4050726 | KAUKAUNA | 495 | — | — | No result above limit |
| CCC SITE #2 055295701 | ONEIDA | 494 | — | — | No result above limit |
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