Drinking Water Labs
Drinking Water (SDWA) Labs Certified for Coliform Bacteria Testing Using the Enzyme Substrate Method.
| Name | Lab ID | Contact | Phone | Street Address | Mailing Address | Electronic Reporting |
|---|---|---|---|---|---|---|
| A. O. SMITH WATER TREATMENT (NORTH AMERICA, INC.) | 291; 445126660 | (920) 733-7590 | 1990 PROSPECT CT APPLETON WI 54914 | 1990 PROSPECT CT APPLETON WI 54914 | Yes | |
| ACCELERATED ANALYTICAL, INC | 465; 241334390 | (888) 770-6896 | 9075 W HEATHER AVE MILWAUKEE WI 53224 | 9075 W HEATHER AVE Milwaukee WI 53224 | Yes | |
| AG SOURCE COOPERATIVE SERVICES | 424; 737109450 | (715) 898-1402 | 3700 DOWNWIND DR MARSHFIELD WI 54449 | 3700 DOWNWIND DR MARSHFIELD WI 54449 | Yes | |
| ANALYTICAL SERVICES, INC. | 10120; 399097820 | (802) 878-5138 | 130 ALLEN BROOK LANE WILLISTON VT 05495 | 130 ALLEN BROOK LANE WILLISTON VT 05495 | Yes | |
| ANALYTICHEM LLC | 430; 431011680 | (920) 866-3944 | N9190 BAY MEADOWS LN LUXEMBURG WI 54217 | N9190 BAY MEADOWS LN LUXEMBURG WI 54217 | Yes | |
| APPLETON WATER TREATMENT FACILITY | 039; 445033380 | (920) 997-4200 | 2281 MANITOWOC RD MENASHA WI 54952 | 2281 MANITOWOC RD MENASHA WI 54952 | Yes | |
| ASHLAND COUNTY HEALTH & HUMAN SERVICES | 480; 802016490 | 630 SANBORN AVE ASHLAND WI 54806 | 630 SANBORN AVE ASHLAND WI 54806 | Yes | ||
| ASHLAND WASTEWATER TREATMENT PLANT | 064; 802008130 | (715) 682-7058 | 1901 KNIGHT RD ASHLAND WI 54806 | 2020 6TH ST E ASHLAND WI 54806 | Yes | |
| BADGER LABORATORIES INC. | 450; 405222620 | 2150 MEMORIAL DR SUITE 106 GREEN BAY WI 54303 | 501 W BELL ST NEENAH WI 54956 | Yes | ||
| BADGER LABORATORIES, INC. | 525 | Steve Heraly | (800) 776-7196 | 501 W BELL ST NEENAH WI 54956 | 3426 E MARIA DR STEVENS POINT WI 54481 | Yes |
| BADGER LABORATORIES, INC. | 205; 445023150 | (800) 776-7196 | 501 W BELL ST NEENAH WI 54956 | 3426 E MARIA DR STEVENS POINT WI 54481 | Yes | |
| BAILEYS HARBOR WASTEWATER TREATMENT FACILITY | 505; 415016910 | (920) 839-2037 | 2605 SUMMIT RD BAILEYS HARBOR WI 54202 | 2605 SUMMIT RD Baileys Harbor WI 54202 | Yes | |
| BAYFIELD COUNTY HEALTH DEPARTMENT | 486; 804075250 | 117 E 6TH ST WASHBURN WI 54891 | PO BOX 403 WASHBURN WI 54891 | Yes | ||
| BELOIT WATER POLLUTION CONTROL FACILITY | 041; 154001650 | (608) 364-5720 | 555 WILLOWBROOK RD BELOIT WI 53511 | 2400 SPRINGBROOK RD BELOIT WI 53511 | Yes | |
| BRANCH RIVER TESTING SERVICE, LLC. | 484; 405224600 | 693 LAMERS CLANCY RD GREENLEAF WI 54126 | 693 LAMERS CLANCY RD Greenleaf WI 54126 | Yes | ||
| BRISTOL WASTEWATER TREATMENT PLANT | 332; 230002630 | (262) 857-9371 | 8025 195TH AVE BRISTOL WI 53104 | 19801 83RD ST BRISTOL WI 53104 | Yes | |
| BROOKFIELD WATER UTILITY | 284; 268025340 | (262) 796-6717 | 19700 RIVERVIEW DR BROOKFIELD WI 53045 | 19700 RIVERVIEW DR BROOKFIELD WI 53045 | Yes | |
| BROWN COUNTY HEALTH AND HUMAN SERVICES | 030; 405200070 | (920) 448-6478 | 2198 GLENDALE AVE GREEN BAY WI 54303 | 2198 GLENDALE AVE GREEN BAY WI 54303 | Yes | |
| BUFFALO COUNTY DEPARTMENT OF HEALTH AND HUMAN SERVICES | 483; 606031360 | (608) 685-6331 | 407 S 2ND ST ALMA WI 54610 | PO BOX 517 ALMA WI 54610 | Yes | |
| C & C PUMPS LLC | 490 | 1480 STATE RD 83 HARTFORD WI 53027 | 1480 STATE RD 83 HARTFORD WI 53027 | No | ||
| CARDINAL ENVIRONMENTAL INC | 311; 460024950 | (920) 459-2500 | 3303 PAINE AVE SHEBOYGAN WI 53081 | 3303 PAINE AVE SHEBOYGAN WI 53081 | Yes | |
| CHERNEY MICROBIOLOGICAL SERVICES LTD | 310; 405200180 | (920) 406-8300 | 1110 S HURON RD GREEN BAY WI 54311 | 1110 S HURON RD GREEN BAY WI 54311 | Yes | |
| CITY OF APPLETON | 473; 445004560 | 2006 E NEWBERRY ST APPLETON WI 54915 | 2006 E NEWBERRY ST APPLETON WI 54915 | |||
| CITY OF BURLINGTON UTILITIES | 204; 252002630 | (262) 539-3646 | 2100 S PINE ST BURLINGTON WI 53105 | 2100 PINE ST BURLINGTON WI 53105 | Yes | |
| CITY OF KENOSHA WATER UTILITY | 059; 230004610 | (262) 653-4330 | 100 51ST PL KENOSHA WI 53140 | 100 51ST PL KENOSHA WI 53140 | Yes | |
| CITY OF MEDFORD WASTEWATER TREATMENT PLANT | 523; 861008830 | Brooke Klingbeil | (715) 748-4122 | 603 S WHELEN AVE MEDFORD WI 54451 | 603 S WHELEN AVE MEDFORD WI 54451 | Yes |
| CITY OF MILWAUKEE HEALTH DEPT LABORATORY | 008; 241311290 | (414) 286-5702 | 841 N BROADWAY RM 205 MILWAUKEE WI 53202 | 841 N BROADWAY RM 205 MILWAUKEE WI 53202 | Yes | |
| COMMERCIAL TESTING LABORATORY INC | 019; 617013980 | (715) 962-3121 | 514 MAIN ST COLFAX WI 54730 | 514 MAIN ST COLFAX WI 54730 | Yes | |
| COUNTY OF VERNON | 518; 663058110 | Beth Johnson | (608) 637-5251 | PO BOX 209 VIROQUA WI 54665 | PO BOX 209 VIROQUA WI 54665 | Yes |
| CT LABORATORIES, LLC | 289; 157066030 | (608) 356-2760 | 1230 LANGE CRT BARABOO WI 53913 | 1230 LANGE CRT BARABOO WI 53913 | Yes | |
| CUDAHY WATER UTILITY | 057; 241016930 | (414) 769-2234 | 5110 S LAKE DRIVE CUDAHY WI 53110 | 5110 S LAKE DRIVE CUDAHY WI 53110 | Yes | |
| CULLIGAN INTERNATIONAL COMPANY | 10119; 399016200 | (847) 430-1284 | 9399 W HIGGINS RD SUITE B2 ROSEMONT IL 60018 | 9399 W HIGGINS RD SUITE B2 Rosemont IL 60018 | ||
| DAIRYLAND LABORATORIES INC | 139; 662016300 | (608) 323-2123 | 217 E MAIN ST ARCADIA WI 54612 | 217 E MAIN ST ARCADIA WI 54612 | Yes | |
| DAVY ENGINEERING COMPANY, INC | 216; 632021390 | (608) 782-3130 | 115 6TH ST S LA CROSSE WI 54601 | 115 6TH ST S LA CROSSE WI 54601 | Yes | |
| DOUGLAS COUNTY HEALTH AND HUMAN SERVICES | 031; 816006730 | (715) 395-1304 | 1316 N 14TH ST SUITE 324 SUPERIOR WI 54880 | 1316 N 14TH ST SUITE 324 SUPERIOR WI 54880 | Yes | |
| DRUMMOND SANITARY DISTRICT # 1 | 501; 804012990 | Mark Jerome | 52560 FRONT AVE DRUMMOND WI 54832 | PO BOX 43 DRUMMOND WI 54832 | Yes | |
| EAGLE RIVER HEALTH DEPARTMENT LABORATORY | 455; 764007310 | 330 COURT ST EAGLE RIVER WI 54521 | 783 PEARL AVE OSHKOSH WI 54901 | Yes | ||
| EAST TROY WASTEWATER TREATMENT | 408; 265012330 | 2104 YOUNG ST EAST TROY WI 53120 | 2015 ENERGY DR EAST TROY WI 53120 | Yes | ||
| EAU CLAIRE CITY COUNTY HEALTH DEPARTMENT | 001; 618019820 | 720 SECOND AVE EAU CLAIRE WI 54703 | 720 2ND AVE EAU CLAIRE WI 54703 | Yes | ||
| EAU CLAIRE WATER TREATMENT | 317; 618006510 | (715) 839-6121 | 2711 RIVERVIEW DR EAU CLAIRE WI 54703 | 2711 RIVERVIEW DR EAU CLAIRE WI 54703 | Yes | |
| EPHRAIM WASTEWATER PLANT | 299; 415017240 | (920) 854-4991 | 10285 TOWN LINE DR EPHRAIM WI 54211 | PO BOX 138 EPHRAIM WI 54211 | Yes | |
| EUROFINS EATON ANALYTICAL, LLC | 10121; 999766900 | (574) 233-4777 | 110 SOUTH HILL ST SOUTH BEND IN 46617 | 110 S HILL ST SOUTH BEND IN 46617 | Yes | |
| EUROFINS MICROBIOLOGY LABORATORIES | 168; 268579850 | 2345 170TH ST NEW BERLIN WI 53151 | 2345 S 170TH ST NEW BERLIN WI 53151 | Yes | ||
| FARM FIRST DAIRY COOPERATIVE | 239; 471168610 | (920) 731-5484 | 200 E KELSO RD KAUKAUNA WI 54130 | 200 E KELSO RD KAUKAUNA WI 54130 | Yes | |
| FLORENCE COUNTY HEALTH DEPARTMENT | 517; 419007490 | (715) 528-4837 | 501 LAKE AVE FLORENCE WI 54121 | PO BOX 410 FLORENCE WI 54121 | Yes | |
| FOND DU LAC COUNTY HEALTH DEPARTMENT | 421; 420039400 | (920) 929-3085 | 160 S MACY ST FOND DU LAC WI 54935 | 160 S MACY ST FOND DU LAC WI 54935 | Yes | |
| GENOA CITY WATER UTILITY | 406; 265003530 | (262) 279-5728 | 521 1ST ST GENOA CITY WI 53128 | PO BOX 428 GENOA CITY WI 53128 | Yes | |
| GRAFTON WATER UTILITY | 503; 246011150 | (262) 375-5331 | 1860 9TH AVE GRAFTON WI 53024 | 860 BADGER RD GRAFTON WI 53024 | Yes | |
| GREEN BAY WATER UTILITY LAB | 080; 405035620 | (920) 845-2031 | 6183 FINGER RD LUXEMBURG WI 54217 | PO BOX 1210 GREEN BAY WI 54305 | Yes | |
| GRIESBACH CORPORATION | 452; 445158340 | (920) 757-1355 | N1022 QUALITY DR GREENVILLE WI 54942 | PO BOX 170 Greenville WI 54942 | Yes | |
| INFRASTRUCTURE ALTERNATIVES INC | 165; 734006350 | (715) 216-6243 | 520 FIRST AVE ANTIGO WI 54409 | N2420 KOSZAREK RD ANTIGO WI 54409 | Yes | |
| IRON COUNTY HEALTH DEPARTMENT | 514; 826004080 | DENISE LOTZER | 502 COPPER ST STE 2 HURLEY WI 54534 | 502 COPPER ST STE 2 HURLEY WI 54534 | Yes | |
| JACKSON COUNTY PUBLIC HEALTH | 485; 627021560 | 421 COUNTY ROAD R BLACK RIVER FALLS WI 54615 | 421 COUNTY ROAD R Black River Falls WI 54615 | Yes | ||
| JANESVILLE WASTEWATER LAB | 295; 154002420 | (608) 755-3120 | 3300 TRIPP RD JANESVILLE WI 53548 | 3300 TRIPP RD JANESVILLE WI 53548 | Yes | |
| KENOSHA COUNTY DIVISION OF HEALTH | 029; 230153220 | 8600 SHERIDAN RD KENOSHA WI 53143 | 8600 SHERIDAN RD KENOSHA WI 53143 | Yes | ||
| KOHLER CO. | 437; 460032870 | (920) 457-4441 | 444 HIGHLAND DR KOHLER WI 53044 | 444 HIGHLAND DR KOHLER WI 53044 | Yes | |
| KWIK TRIP, INC. | 471; 632133480 | 2302 KWIK TRIP WAY LA CROSSE WI 54603 | 1626 OAK ST LA CROSSE WI 54603 | |||
| LA CROSSE COUNTY PUBLIC HEALTH LAB | 013; 632072980 | (608) 785-9733 | 300 4TH ST N LA CROSSE WI 54601 | 300 4TH ST N LA CROSSE WI 54601 | Yes | |
| LAB TECH SERVICES LLC | 409; 734044960 | (715) 623-6281 | N6411 VACHA LANE DEERBROOK WI 54424 | N6411 VACHA LANE DEERBROOK WI 54424 | Yes | |
| LAFAYETTE COUNTY HEALTH DEPARTMENT | 524; 133027840 | Erin Hastert | (608) 776-4895 | 729 CLAY ST DARLINGTON WI 53530 | 729 CLAY ST DARLINGTON WI 53530 | Yes |
| LAKE GENEVA UTILITY COMMISSION | 436; 265006610 | (262) 248-2311 | 361 W MAIN ST LAKE GENEVA WI 53147 | 361 W MAIN ST LAKE GENEVA WI 53147 | Yes | |
| LEUTHER LABORATORIES LLC | 235; 663020710 | (608) 788-8180 | N1006 COUNTY ROAD M COON VALLEY WI 54623 | N1006 COUNTY ROAD M COON VALLEY WI 54623 | Yes | |
| LINCOLN COUNTY HEALTH DEPT. | 502; 735036280 | MEGHAN M YOUNG | (715) 539-1379 | 607 N SALES ST SUITE 101 MERRILL WI 54452 | 607 N SALES ST SUITE 101 MERRILL WI 54452 | Yes |
| LV LABORATORIES LLC | 443; 122046870 | 1015 S MADISON ST LANCASTER WI 53813 | 1015 S MADISON ST LANCASTER WI 53813 | Yes | ||
| LYONS LABS | 10109; 999478590 | (815) 947-3360 | 9795 US ROUTE 20 EAST STOCKTON IL 61085 | PO BOX 6 Stockton IL 61085 | Yes | |
| M M S D LAB SERVICES CENTRAL LAB | 158; 241325920 | (414) 277-6377 | 250 W SEEBOTH ST MILWAUKEE WI 53204 | ATTN: KIM WALDEN MILWAUKEE WI 53204 | ||
| MANITOWOC PUBLIC UTILITIES | 171; 436036480 | (920) 683-4600 | 1303 S 8TH ST MANITOWOC WI 54220 | PO BOX 1090 MANITOWOC WI 54221 | Yes | |
| MARATHON COUNTY PUBLIC HEALTH LAB | 018; 737157080 | (715) 261-1908 | 1000 LAKE VIEW DR STE 100 WAUSAU WI 54403 | 1000 LAKE VIEW DR STE 100 WAUSAU WI 54403 | Yes | |
| MARSHFIELD UTILITIES | 325; 772016520 | (715) 387-1195 | 1818 N OAK ST MARSHFIELD WI 54449 | PO BOX 670 MARSHFIELD WI 54449 | Yes | |
| MATRIX SCIENCES INTERNATIONAL, INC. | 269; 405254850 | 1030 PARKVIEW RD GREEN BAY WI 54304 | 1030 PARKVIEW RD Green Bay WI 54304 | Yes | ||
| MENASHA ELECTRIC & WATER UTILITY | 152; 471033420 | (920) 967-3451 | 57 MANITOWOC ST MENASHA WI 54952 | PO BOX 340 MENASHA WI 54952 | Yes | |
| MENOMONEE FALLS WATER UTILITY | 159; 268008290 | (262) 532-4200 | W152N8634 MARGARET RD MENOMONEE FALLS WI 53051 | W156N8480 PILGRIM RD MENOMONEE FALLS WI 53051 | Yes | |
| MENOMONIE WASTE WATER | 214; 617006720 | (715) 232-2175 | 620 11TH AVE W MENOMONIE WI 54751 | 800 WILSON AVE MENOMONIE WI 54751 | Yes | |
| MILWAUKEE WATER WORKS | 155 | 3929 S 6TH ST MILWAUKEE WI 53221 | 841 N BROADWAY ST MILWAUKEE WI 53202 | |||
| MILWAUKEE WATER WORKS | 003; 241010000 | (414) 286-2226 | 3000 N LINCOLN MEMORIAL DR MILWAUKEE WI 53211 | 3000 N LINCOLN MEMORIAL DR MILWAUKEE WI 53211 | Yes | |
| NATIONAL TESTING LAB LTD | 10108; 999462860 | 556 S MANSFIELD ST YPSILANTI MI 48197 | 556 S MANSFIELD ST Ypsilanti MI 48197 | Yes | ||
| NEENAH WATER UTILITY | 144; 471034850 | (920) 886-6196 | 234 S PARK AVE NEENAH WI 54956 | PO BOX 426 NEENAH WI 54957 | Yes | |
| NORTH SHORE WATER COMMISSION | 154; 241351550 | (414) 963-0160 | 400 W BENDER RD GLENDALE WI 53217 | 400 W BENDER RD GLENDALE WI 53217 | Yes | |
| NORTHERN LAKE SERVICE, INC. | 330; 721026460 | (715) 478-2777 | 400 N LAKE AVE CRANDON WI 54520 | 400 N LAKE AVE CRANDON WI 54520 | Yes | |
| NORTHERN LAKE SERVICE, INC. | 479; 268533760 | (262) 547-3406 | 400 N LAKE AVE CRANDON WI 54520 | 400 N LAKE AVE Crandon WI 54520 | Yes | |
| NORTHLAND COLLEGE | 492; 802057300 | CHRIS MCNERNEY | (715) 682-1810 | 1411 ELLIS AVE ASHLAND WI 54806 | 1411 ELLIS AVE ASHLAND WI 54806 | Yes |
| OAK CREEK WATER & SEWER UTILITY | 149; 241017260 | (414) 768-7060 | 9325 S 5TH AVE OAK CREEK WI 53154 | 9325 S 5TH AVE OAK CREEK WI 53154 | Yes | |
| ONEIDA COUNTY HEALTH DEPARTMENT | 506; 744084770 | JODY MCKINNEY | (715) 369-6111 | 100 W KEENAN ST RHINELANDER WI 54501 | 100 W KEENAN ST RHINELANDER WI 54501 | Yes |
| OSHKOSH WATER DEPT | 175; 471045740 | Brad Rokus | (920) 236-5165 | 425 LAKE SHORE DR OSHKOSH WI 54901 | 425 LAKE SHORE DR OSHKOSH WI 54901 | Yes |
| OUTAGAMIE COUNTY PUBLIC HEALTH LAB | 278 | (920) 832-5100 | 320 S WALNUT ST APPLETON WI 54911 | 320 S WALNUT ST APPLETON WI 54911 | ||
| PACE ANALYTICAL SERVICES, LLC | 444; 405132750 | (920) 469-2436 | 1241 BELLEVUE ST GREEN BAY WI 54302 | 1241 BELLEVUE ST GREEN BAY WI 54302 | Yes | |
| PORT WASHINGTON WATER DEPT | 058; 246005430 | (262) 284-2172 | 408 N LAKE ST PORT WASHINGTON WI 53074 | 408 N LAKE ST PORT WASHINGTON WI 53074 | Yes | |
| PUBLIC HEALTH MADISON & DANE COUNTY | 036; 113139620 | (608) 242-6515 | 210 MARTIN LUTHER KING JR BLVD RM 516B MADISON WI 53703 | 210 MARTIN LUTHER KING JR BLVD RM 516B MADISON WI 53703 | Yes | |
| RACINE PUBLIC HEALTH DEPARTMENT | 053; 252215920 | (262) 636-9501 | 730 WASHINGTON AVE RACINE WI 53403 | 730 WASHINGTON AVE RACINE WI 53403 | Yes | |
| RACINE WATER DEPARTMENT | 034; 252006260 | (262) 636-9441 | 800 CENTER ST RM 227 RACINE WI 53403 | 800 CENTER ST RM 227 RACINE WI 53403 | Yes | |
| RIVER FALLS WASTEWATER TREATMENT PLANT | 301; 648006920 | Paul Ahlborn | 432 APOLLO RD RIVER FALLS WI 54022 | 222 LEWIS ST SUITE 228 RIVER FALLS WI 54022 | Yes | |
| ROCK COUNTY HEALTH DEPARTMENT JANESVILLE | 404; 154077660 | (608) 757-5440 | 3328 US HIGHWAY 51 N JANESVILLE WI 53545 | PO BOX 1088 JANESVILLE WI 53547 | Yes | |
| RUSK COUNTY HEALTH AND HUMAN SERVICES | 482; 855008220 | (715) 532-2208 | 311 MINER AVE E LADYSMITH WI 54848 | 311 MINER AVE E Ladysmith WI 54848 | Yes | |
| S & R KRIZAN PUMP SERVICE INCORPORATED | 497; 252272790 | (262) 895-6454 | 7465 S LOOMIS RD WIND LAKE WI 53185 | 7465 S LOOMIS RD Wind Lake WI 53185 | Yes | |
| SAWYER COUNTY HEALTH & HUMAN SERVICES | 519; 858028380 | (715) 634-4806 | 10610 MAIN ST STE 224 HAYWARD WI 54843 | 10610 MAIN ST STE 224 HAYWARD WI 54843 | Yes | |
| SHEBOYGAN WATER UTILITY | 065; 460035400 | (920) 459-3812 | 72 PARK AVE SHEBOYGAN WI 53081 | 72 PARK AVE SHEBOYGAN WI 53081 | Yes | |
| SLINGER WATER UTILITY | 488; 267011690 | 300 SLINGER RD SLINGER WI 53086 | 300 SLINGER RD SLINGER WI 53086 | |||
| SOUTH MILWAUKEE WATER UTILITY | 060; 241442190 | (414) 768-8070 | 100 MARSHALL AVE SOUTH MILWAUKEE WI 53172 | 100 MARSHALL AVE SOUTH MILWAUKEE WI 53172 | Yes | |
| STATE LABORATORY OF HYGIENE | 999; 113133790 | (800) 442-4618 | 2601 AGRICULTURE DR MADISON WI 53707 | PO BOX 7996 MADISON WI 53707 | Yes | |
| STEVENS POINT WATER & SEWAGE | 227; 750008160 | (715) 345-5262 | 301 BLISS AVE STEVENS POINT WI 54481 | PO BOX 243 STEVENS POINT WI 54481 | Yes | |
| SUBURBAN LABORATORIES OF SOUTHEAST WISCONSIN, LLC | 331; 268536400 | (262) 539-2316 | 400 BAY VIEW RD SUITE I MUKWONAGO WI 53149 | 400 BAY VIEW RD SUITE I MUKWONAGO WI 53149 | Yes | |
| SUBURBAN LABORATORIES, INC. | 10122; 399089350 | 1950 BATAVIA AVE, STE 150 GENEVA IL 60134 | 1950 BATAVIA AVE, STE 150 GENEVA IL 60134 | |||
| SUPERIOR WATER LIGHT POWER CO | 076; 816014760 | (715) 815-0570 | 1813 E 3RD ST SUPERIOR WI 54880 | 1813 E 3RD ST SUPERIOR WI 54880 | Yes | |
| SWD LABS LLC | 458; 111083830 | (920) 326-5193 | N9935 PLEASANT RD RANDOLPH WI 53956 | PO BOX 150 RANDOLPH WI 53956 | Yes | |
| TAYLOR COUNTY HEALTH DEPT | 498; 861039960 | PATTY KRUG | (715) 748-1410 | 224 S 2ND ST MEDFORD WI 54451 | 224 S 2ND ST MEDFORD WI 54451 | Yes |
| TIM BUTTERFIELD DRILLING, INC. | 489; 656111390 | TIM BUTTERFIELD | (715) 247-4873 | 395 REED ST SOMERSET WI 54025 | 395 REED ST SOMERSET WI 54025 | Yes |
| TWO RIVERS WATER & LIGHT | 073; 436005680 | (920) 793-5558 | 1415 LAKE ST TWO RIVERS WI 54241 | 1415 LAKE ST TWO RIVERS WI 54241 | Yes | |
| U.S. WATER, LLC | 508; 737240900 | Kevin Marshall | 6905 VENTURE CIR WESTON WI 54476 | 6905 VENTURE CIR WESTON WI 54476 | Yes | |
| UNIVERSITY OF WISCONSIN - SUPERIOR | 509; 816003540 | Kelsey Prihoda | BELKNAP AND CATLIN AVE SUPERIOR WI 54880 | 801 N 28TH ST SUPERIOR WI 54880 | No | |
| UNIVERSITY OF WISCONSIN OSHKOSH | 445; 471183460 | (920) 424-3148 | 783 PEARL AVE OSHKOSH WI 54901 | 783 PEARL AVE Oshkosh WI 54901 | Yes | |
| UNIVERSITY OF WISCONSIN OSHKOSH | 453; 415043530 | (920) 746-5895 | 2041 MICHIGAN ST STURGEON BAY WI 54235 | 800 ALGOMA BLVD Oshkosh WI 54901 | Yes | |
| UNIVERSITY OF WISCONSIN OSHKOSH | 475; 436134160 | Kimberly Busse | 1028 S 9TH ST MANITOWOC WI 54220 | 800 ALGOMA BLVD OSHKOSH WI 54901 | Yes | |
| VILLAGE OF JACKSON | 467; 267003220 | W194N16658 EAGLE DR JACKSON WI 53037 | PO BOX 637 Jackson WI 53037 | Yes | ||
| VILLAGE OF PLEASANT PRAIRIE | 522; 230163450 | Tom Hupp | (262) 925-6700 | 8600 GREEN BAY RD PLEASANT PR WI 53158 | 8600 GREEN BAY RD PLEASANT PR WI 53158 | Yes |
| VILLAGE OF UNION GROVE WWTP | 420; 252110650 | 3710 67TH DR UNION GROVE WI 53182 | 925 15TH AVE UNION GROVE WI 53182 | Yes | ||
| WALWORTH COUNTY DEPARTMENT OF HEALTH & HUMAN SERVICES | 499; 265192290 | ERICA BERGSTROM | 1910 COUNTY ROAD NN ELKHORN WI 53121 | PO BOX 1005 ELKHORN WI 53121 | Yes | |
| WASHINGTON OZAUKEE PUBLIC HEALTH DEPARTMENT | 513 | Paula Mugan | 121 W MAIN ST PORT WASHINGTON WI 53074 | 121 W MAIN ST PORT WASHINGTON WI 53074 | No | |
| WASHINGTON OZAUKEEPUBLIC HEALTH DEPARTMENT | 491; 267191100 | LINDA WALTER | 333 E WASHINGTON ST SUITE 1100 WEST BEND WI 53095 | 333 E WASHINGTON ST SUITE 1100 WEST BEND WI 53095 | Yes | |
| WATER & ENVIRONMENTAL ANALYSIS | 191; 750040280 | (715) 346-3753 | 800 RESERVE ST STEVENS POINT WI 54481 | 800 RESERVE ST STEVENS POINT WI 54481 | Yes | |
| WATER COMPLIANCE SPECIALISTS, INC. | 449; 111084710 | (608) 592-3882 | 924 DEVELOPMENT DR UNIT C LODI WI 53555 | PO BOX 135 LODI WI 53555 | Yes | |
| WATER DIAGNOSTICS LABORATORIES, LLC | 461; 246103990 | 8605 FREISTADT RD MEQUON WI 53097 | 8605 FREISTADT RD MEQUON WI 53097 | Yes | ||
| WATER LABORATORIES INC | 10110; 399044470 | (763) 441-7509 | 333 MAIN ST NW ELK RIVER MN 55330 | PO BOX 388 Elk River MN 55330 | Yes | |
| WATER QUALITY INVESTIGATIONS | 515; 113417590 | Andrew Jacque | (888) 499-2507 | 2581 STATE ROAD 92 STE 2 MOUNT HOREB WI 53572 | 2581 STATE ROAD 92 STE 2 MOUNT HOREB WI 53572 | Yes |
| WAUKESHA COUNTY DEPARTMENT OF PARKS & LAND USE | 067; 268511760 | (262) 896-8300 | 515 W MORELAND BLVD AC260 WAUKESHA WI 53188 | 515 W MORELAND BLVD AC260 WAUKESHA WI 53188 | Yes | |
| WAUKESHA WATER UTILITY | 151; 268023800 | (262) 521-5272 | PO BOX 1648 WAUKESHA WI 53187 | PO BOX 1648 WAUKESHA WI 53187 | Yes | |
| WAUPACA COUNTY DHHS - ENVIRONMENTAL MICROBIOLOGY LABORATORY | 496; 469100500 | JED WOHLT | (715) 258-6323 | 811 HARDING ST WAUPACA WI 54981 | 811 HARDING ST WAUPACA WI 54981 | Yes |
| WEST ALLIS WATER DEPT | 157; 241059500 | (414) 302-8827 | 1725 S 96TH ST WEST ALLIS WI 53214 | 6302 W MCGEOCH AVE WEST ALLIS WI 53219 | Yes | |
| WISCONSIN DEPARTMENT OF AGRICULTURE, TRADE AND CONSUMER PROT | 306; 113395260 | (608) 224-4820 | 2601 AGRICULTURE DR SUITE 150 MADISON WI 53718 | 2601 AGRICULTURE DR SUITE 150 MADISON WI 53718 | ||
| WISCONSIN RAPIDS WATER UTILITY | 312; 772010800 | (715) 423-6300 | 221 16TH ST WISCONSIN RAPIDS WI 54495 | PO BOX 399 WISCONSIN RAPIDS WI 54495 | Yes | |
| WISCONSIN VETERANS HOME | 410; 469089720 | (715) 256-5023 | N2665 COUNTY ROAD QQ KING WI 54946 | N2665 COUNTY ROAD QQ KING WI 54946 | Yes | |
| WOOD COUNTY HEALTH DEPARTMENT | 520; 772162820 | NANCY EGGLESTON | (715) 421-8955 | 111 W JACKSON ST WISC RAPIDS WI 54495 | 111 W JACKSON ST WISC RAPIDS WI 54495 | Yes |
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These Labs are certified by the Wisconsin Department of Agriculture, Trade, and Consumer Protection to perform Coliform Bacteria analysis of drinking water samples. Certification is not an endorsement or guarantee of the validity of the data generated by a laboratory.
Last Revised: 03/02/2021