STATE REPORT WI 816 HEALTH VIOLATIONS

Wisconsin Water: 5.3K Violations — 898 ZIPs

Name: Water Quality Data for Wisconsin
Creator: ZipCheckup
Published: 2026-06-03
License: https://creativecommons.org/licenses/by/4.0/

898 ZIP codes · 903 water systems · State-specific plumbing code · Updated 2026-06-03

Data: EPA SDWIS, NWS, State plumbing boards, Rewiring America Last verified: 2026-06-03

898

ZIP Codes

903

Water Systems

575

ZIPs with Violations

State-specific

Plumbing Code

C · 66

Avg Safety Score

ZIPs Exceeding Lead Limit

44%

High Radon Risk (Zone 1)

#27

of 51 States

40%

ZIPs Rated A or B

64%

ZIPs with Violations

Wisconsin average: 66/100 — ranked #27 of 51 states. 1 points below the national average (67). 64% of ZIP codes have recorded violations.

Within Wisconsin, SDWIS records show health-based exceedances at a higher-than-average rate — the state's low safety grade reflects compliance shortfalls spread across counties rather than one problem district.

Score Distribution

How Wisconsin's 898 ZIP codes are distributed across safety grades.

359

309

222

85-10070-8455-6940-540-39

Home Safety Scores by State

F (0-49) D (50-64) C (65-74) B (75-84) A (85+)

Data: EPA SDWIS, FEMA NFIP, EPA Radon, USGS Earthquake Hazards, NIFC Wildfire • 2026-06-03

Top 10 Safest ZIP Codes in Wisconsin

Highest Home Safety Scores in the state.

#	ZIP Code	City	County	Score	Grade
1	53020	Elkhart Lake	Sheboygan	83	B
2	53021	Fredonia	Ozaukee	83	B
3	53044	Kohler	Sheboygan	83	B
4	53075	Random Lake	Sheboygan	83	B
5	53093	Waldo	Sheboygan	83	B
6	53129	Greendale	Milwaukee	83	B
7	53159	Powers Lake	Kenosha	83	B
8	53177	Sturtevant	Racine	83	B
9	53923	Cambria	Columbia	83	B
10	53943	Loganville	Sauk	83	B

10 Lowest-Scoring ZIP Codes in Wisconsin

#	ZIP Code	City	County	Score	Grade	Violations
1	53039	Juneau	Dodge	24	F	5
2	54645	Mount Sterling	Crawford	28	F	10
3	53098	Watertown	Dodge	28	F	9
4	53094	Watertown	Jefferson	28	F	9
5	54472	Marshfield	Wood	32	F	8
6	54404	Marshfield	Wood	32	F	8
7	53538	Fort Atkinson	Jefferson	34	F	9
8	53187	Waukesha	Waukesha	36	F	23
9	54979	Van Dyne	Fond du Lac	40	D	0
10	54978	Tilleda	Shawano	40	D	0

County Rankings

Water quality breakdown by county. 71 counties with data in Wisconsin.

Loading county map…

F (0-49) D (50-64) C (65-74) B (75-84) A (85+)

County-level aggregation of ZIP code safety scores • EPA SDWIS, FEMA NFIP, EPA Radon, USGS, NIFC

County	Avg Score	Grade	ZIPs	Best ZIP	Worst ZIP
Sheboygan	76	B	15	53020 (83)	53031 (53)
Washington	62	C	10	53002 (70)	53078 (40)
Jefferson	55	C	13	53156 (70)	53094 (28)
Ozaukee	72	B	9	53021 (83)	53060 (53)
Waukesha	58	C	32	53017 (70)	53187 (36)
Dodge	52	D	21	53579 (68)	53039 (24)
Fond du Lac	53	D	18	53011 (70)	54979 (40)
Calumet	74	B	11	54129 (83)	54952 (62)
Manitowoc	67	C	16	54228 (83)	54215 (48)
Winnebago	63	C	15	54947 (83)	54902 (50)
Kenosha	67	C	21	53159 (83)	54927 (53)
Racine	74	B	18	53177 (83)	53105 (49)
Milwaukee	77	B	48	53129 (83)	53218 (65)
Walworth	55	C	15	53120 (69)	53505 (40)
Rock	57	C	15	53520 (70)	53542 (40)
Green	63	C	6	53502 (69)	53550 (40)
Iowa	64	C	14	53533 (70)	53565 (43)
Lafayette	62	C	9	53516 (70)	53599 (40)
Dane	62	C	58	53521 (70)	53532 (45)
Richland	60	C	8	53573 (70)	53942 (40)
Grant	64	C	20	53813 (70)	53810 (53)
Columbia	72	B	13	53923 (83)	53555 (43)
Sauk	74	B	13	53943 (83)	54441 (53)
Crawford	54	D	11	54626 (69)	54645 (28)
Adams	65	C	8	53910 (82)	53936 (53)
Juneau	80	B	9	53962 (83)	53948 (76)
Marquette	71	B	4	53964 (83)	53953 (63)
Green Lake	57	C	7	54941 (69)	54960 (40)
Polk	76	B	13	54005 (83)	54007 (53)
St. Croix	66	C	13	54013 (70)	54734 (53)
Pierce	61	C	10	54761 (69)	54010 (40)
Barron	72	B	16	54829 (83)	54870 (53)
Oconto	73	B	12	54101 (83)	54171 (53)
Marinette	70	B	13	54143 (83)	54156 (53)
Outagamie	72	B	17	54106 (83)	54140 (49)
Shawano	52	D	19	54166 (70)	54978 (40)
Brown	76	B	22	54126 (83)	54137 (53)
Florence	65	C	2	54121 (77)	54542 (53)
Forest	70	B	7	54566 (83)	54511 (63)
Kewaunee	62	C	3	54201 (75)	54205 (53)
Door	58	C	12	54217 (70)	54211 (40)
Marathon	60	C	17	54476 (70)	54471 (40)
Wood	52	D	15	54466 (70)	54472 (32)
Clark	74	B	15	54422 (83)	54493 (53)
Portage	53	D	9	54443 (70)	54458 (40)
Langlade	48	D	9	54491 (70)	54485 (40)
Taylor	74	B	8	54451 (83)	54459 (53)
Rusk	70	B	9	54895 (83)	54731 (53)
Lincoln	67	C	6	54442 (82)	54564 (53)
Oneida	64	C	11	54539 (83)	54568 (53)
Vilas	68	C	6	54538 (83)	54561 (53)
Price	76	B	6	54552 (83)	54513 (53)
Ashland	64	C	9	54527 (82)	54806 (45)
Iron	66	C	9	54536 (82)	54565 (53)
La Crosse	78	B	10	54669 (83)	54603 (69)
Buffalo	62	C	6	54622 (69)	54743 (40)
Jackson	79	B	6	54611 (82)	54642 (75)
Trempealeau	74	B	11	54758 (83)	54625 (55)
Monroe	69	C	12	54648 (83)	54662 (53)
Vernon	62	C	11	54665 (70)	54624 (45)
Eau Claire	75	B	8	54738 (82)	54746 (63)
Pepin	52	D	4	54736 (65)	54721 (40)
Chippewa	70	B	11	54726 (83)	54765 (53)
Dunn	75	B	8	54735 (83)	54737 (53)
Washburn	68	C	7	54859 (83)	54888 (53)
Bayfield	68	C	12	54814 (83)	54844 (53)
Sawyer	70	B	9	54835 (83)	54875 (53)
Burnett	81	B	4	54893 (83)	54872 (78)
Douglas	60	C	10	54874 (82)	54890 (53)
Waushara	71	B	10	54982 (83)	54976 (53)
Waupaca	53	D	14	54949 (69)	54977 (40)

Most Common Contaminants in Wisconsin

Contaminant / Rule	Category	ZIPs Affected	Violations	Health Risk
Stage 2 DBP Rule	Treatment Technique	367	795	Yes
Lead and Copper Rule	Treatment Technique	367	967	No
Stage 1 DBP Rule	Treatment Technique	312	646	Yes
Consumer Confidence Report Rule	Reporting	266	1086	Yes
Surface Water Treatment Rule	Treatment Technique	218	765	No
Total Coliform	Microbiological	84	154	No
Lead	Inorganic	83	92	Yes
Gross Beta	Radionuclides	69	107	Yes

Overview

We track water quality, weather alerts, plumbing regulations, and energy rebates for 898 ZIP codes across Wisconsin, covering 903 community water systems that serve approximately 3,608,017 people.

575 of 898 ZIP codes (64%) have recorded EPA violations. 816 health-based violations have been documented.

Plumbing Regulations

Wisconsin follows the Wisconsin Comm 82 Plumbing Code (Current edition).

Plumbing code: State-specific (Current)
Homeowner DIY: Licensed plumber required
Water heater permit: Required
Annual backflow test: Required

Full Wisconsin regulations →

Areas with Most Violations

ZIP Code	City	Safety Score	Violations	Health-Based	System
54481	Stevens Point	D	59	10	Stevens Point Waterworks
54482	Stevens Point	D	59	10	Stevens Point Waterworks
54492	Stevens Point	D	59	10	Stevens Point Waterworks
53072	Pewaukee	D	49	27	Pewaukee City Water and Sewer Utility
53201	Milwaukee	B	41	2	Milwaukee Waterworks
53202	Milwaukee	B	41	2	Milwaukee Waterworks
53203	Milwaukee	B	41	2	Milwaukee Waterworks
53204	Milwaukee	B	41	2	Milwaukee Waterworks
53205	Milwaukee	B	41	2	Milwaukee Waterworks
53206	Milwaukee	B	41	2	Milwaukee Waterworks

Areas with No Violations

ZIP Code	City	Safety Score	System	Population
53002	Allenton	B	Allenton Sanitary District	860
53003	Ashippun	D	AUTUMN RIDGE WATER SYSTEM LLC	575
53011	Cascade	B	Cascade Waterworks	719
53012	Cedarburg	B	Cedarburg L & W Commission	11,800
53013	Cedar Grove	B	Cedar Grove Waterworks	2,213
53017	Colgate	B	Germantown Water Utility	20,027
53019	Eden	C	Manor Hill Mobile Home Park	400
53020	Elkhart Lake	B	Elkhart Lake Waterworks	1,567
53026	Greenbush	D	GLENBEULAH WATERWORKS	461
53027	Hartford	C	Hartford Waterworks	15,805

Home Safety Score

Average Home Safety Score for Wisconsin: C (66/100)

Lead & Copper

Average lead level (90th percentile): 0.0037 mg/L (EPA action level: 0.015 mg/L)
17 ZIP codes exceed the EPA lead action level

Radon Risk

High risk (Zone 1): 396 ZIP codes (44%)
Moderate risk (Zone 2): 502 ZIP codes
Low risk (Zone 3): 0 ZIP codes

ZIP Code Reports for Wisconsin

Largest Communities

ZIP Code	City	Population	Safety Grade	Violations
53221	Milwaukee	735,568	B	41
53228	Milwaukee	719,627	B	41
53227	Milwaukee	705,234	B	41
53224	Milwaukee	701,202	B	41
53225	Milwaukee	701,202	B	41
53207	Milwaukee	698,675	B	41
53220	Milwaukee	691,728	B	41
53201	Milwaukee	677,335	B	41
53202	Milwaukee	677,335	B	41
53203	Milwaukee	677,335	B	41
53204	Milwaukee	677,335	B	41
53205	Milwaukee	677,335	B	41
53206	Milwaukee	677,335	B	41
53208	Milwaukee	677,335	B	41
53209	Milwaukee	677,335	C	41
53210	Milwaukee	677,335	B	41
53211	Milwaukee	677,335	B	41
53212	Milwaukee	677,335	B	41
53213	Milwaukee	677,335	B	41
53214	Milwaukee	677,335	B	41

Lowest Safety Scores

ZIP Code	City	Score	Grade	Violations
53039	Juneau	24	F	5
53094	Watertown	28	F	9
53098	Watertown	28	F	9
54645	Mount Sterling	28	F	10
54404	Marshfield	32	F	8

Highest Safety Scores

ZIP Code	City	Score	Grade	Violations
53020	Elkhart Lake	83	B	0
53021	Fredonia	83	B	1
53044	Kohler	83	B	0
53075	Random Lake	83	B	0
53093	Waldo	83	B	0

All 898 ZIP Codes in Wisconsin

54405 (Abbotsford) [B] — 2 violations ⚠
54101 (Abrams) [B] — 1 violation
53910 (Adams) [B] — 2 violations
53001 (Adell) [B] — 1 violation ⚠
53501 (Afton) [D]
53502 (Albany) [C] — 2 violations
54201 (Algoma) [B] — 3 violations
53002 (Allenton) [B]
54610 (Alma) [C] — 3 violations
54611 (Alma Center) [B] — 3 violations ⚠
54805 (Almena) [B] — 1 violation
54909 (Almond) [D]
54720 (Altoona) [B] — 6 violations ⚠
54102 (Amberg) [D]
54001 (Amery) [B] — 4 violations ⚠
54406 (Amherst) [C] — 3 violations ⚠
54407 (Amherst Junction) [D]
54408 (Aniwa) [D]
54409 (Antigo) [C] — 21 violations ⚠
54911 (Appleton) [C] — 3 violations
54912 (Appleton) [C] — 3 violations
54913 (Appleton) [C] — 3 violations
54914 (Appleton) [C] — 3 violations
54915 (Appleton) [C] — 3 violations
54919 (Appleton) [C] — 3 violations
54612 (Arcadia) [B]
53503 (Arena) [C] — 10 violations
54511 (Argonne) [C]
53504 (Argyle) [C] — 3 violations ⚠
54721 (Arkansaw) [D]
54613 (Arkdale) [C]
53911 (Arlington) [B] — 3 violations ⚠
54103 (Armstrong Creek) [C]
54410 (Arpin) [D]
53003 (Ashippun) [D]
54806 (Ashland) [D] — 10 violations ⚠
54104 (Athelstane) [D]
54411 (Athens) [D] — 2 violations
54412 (Auburndale) [C] — 9 violations
54722 (Augusta) [B] — 7 violations
53505 (Avalon) [D]
53506 (Avoca) [C] — 3 violations ⚠
54413 (Babcock) [D]
53801 (Bagley) [C] — 2 violations
54202 (Baileys Harbor) [C] — 6 violations
54002 (Baldwin) [C] — 2 violations
54810 (Balsam Lake) [B]
54921 (Bancroft) [C] — 1 violation
54614 (Bangor) [B] — 3 violations
53913 (Baraboo) [B] — 1 violation
53507 (Barneveld) [C] — 6 violations ⚠
54812 (Barron) [B] — 2 violations
54813 (Barronett) [C]
53101 (Bassett) [D]
54723 (Bay City) [C] — 2 violations
54814 (Bayfield) [B] — 1 violation
54922 (Bear Creek) [C] — 1 violation
53916 (Beaver Dam) [D] — 1 violation
53802 (Beetown) [D]
54003 (Beldenville) [D]
53004 (Belgium) [B] — 2 violations ⚠
53508 (Belleville) [C] — 2 violations ⚠
53510 (Belmont) [C] — 3 violations ⚠
53511 (Beloit) [C] — 1 violation
53512 (Beloit) [C] — 1 violation
53102 (Benet Lake) [D]
54816 (Benoit) [D]
53803 (Benton) [C] — 1 violation
54923 (Berlin) [C]
53103 (Big Bend) [D]
54926 (Big Falls) [D]
54817 (Birchwood) [B] — 10 violations ⚠
54414 (Birnamwood) [C] — 2 violations
54106 (Black Creek) [B]
53515 (Black Earth) [C] — 2 violations ⚠
54615 (Black River Falls) [B] — 9 violations ⚠
54616 (Blair) [B] — 1 violation ⚠
53516 (Blanchardville) [B]
54415 (Blenker) [D]
54724 (Bloomer) [C] — 4 violations ⚠
53804 (Bloomington) [C] — 2 violations
53517 (Blue Mounds) [C] — 3 violations
53518 (Blue River) [C]
54107 (Bonduel) [C] — 1 violation
53805 (Boscobel) [C] — 1 violation
54512 (Boulder Junction) [D]
54416 (Bowler) [C]
54725 (Boyceville) [B] — 2 violations ⚠
54726 (Boyd) [B] — 1 violation
53919 (Brandon) [C]
54513 (Brantwood) [D]
53920 (Briggsville) [D]
54818 (Brill) [D]
54110 (Brillion) [B]
53104 (Bristol) [B] — 2 violations
53520 (Brodhead) [B]
54417 (Brokaw) [D]
53005 (Brookfield) [C] — 7 violations ⚠
53008 (Brookfield) [C] — 7 violations ⚠
53045 (Brookfield) [C] — 7 violations ⚠
53521 (Brooklyn) [B]
53006 (Brownsville) [C] — 3 violations ⚠
53522 (Browntown) [C] — 13 violations ⚠
54819 (Bruce) [B] — 2 violations
54820 (Brule) [D]
54204 (Brussels) [D]
54418 (Bryant) [D]
53105 (Burlington) [D] — 10 violations ⚠
53922 (Burnett) [D]
53007 (Butler) [C] — 3 violations
54927 (Butte Des Morts) [D]
54514 (Butternut) [B] — 19 violations ⚠
54821 (Cable) [C]
54727 (Cadott) [B]
53108 (Caledonia) [B] — 4 violations ⚠
53923 (Cambria) [B] — 1 violation
53523 (Cambridge) [C] — 3 violations ⚠
54822 (Cameron) [B] — 24 violations ⚠
54618 (Camp Douglas) [B] — 4 violations
53109 (Camp Lake) [C]
53010 (Campbellsport) [C] — 10 violations
54928 (Caroline) [D]
53011 (Cascade) [B]
54205 (Casco) [D]
54619 (Cashton) [B]
53806 (Cassville) [C] — 5 violations ⚠
54620 (Cataract) [D]
54515 (Catawba) [D]
53924 (Cazenovia) [C] — 5 violations ⚠
54111 (Cecil) [C]
53013 (Cedar Grove) [B]
53012 (Cedarburg) [B]
54824 (Centuria) [B] — 1 violation
54621 (Chaseburg) [C]
54728 (Chetek) [B] — 7 violations ⚠
54420 (Chili) [D]
53014 (Chilton) [C] — 2 violations ⚠
54729 (Chippewa Falls) [B] — 13 violations ⚠
54774 (Chippewa Falls) [B] — 13 violations ⚠
54517 (Clam Lake) [D]
54004 (Clayton) [B] — 3 violations ⚠
54005 (Clear Lake) [B]
53015 (Cleveland) [B] — 2 violations ⚠
53525 (Clinton) [C] — 7 violations ⚠
54929 (Clintonville) [C] — 2 violations ⚠
53016 (Clyman) [C] — 3 violations ⚠
53526 (Cobb) [C] — 4 violations ⚠
54622 (Cochrane) [C] — 3 violations ⚠
54421 (Colby) [C]
54112 (Coleman) [B] — 1 violation
54730 (Colfax) [B] — 5 violations
53017 (Colgate) [B]
54207 (Collins) [D]
54930 (Coloma) [B] — 1 violation
53925 (Columbus) [C] — 4 violations ⚠
54113 (Combined Locks) [B] — 4 violations ⚠
54826 (Comstock) [B] — 4 violations
54519 (Conover) [D]
54731 (Conrath) [D]
54623 (Coon Valley) [C] — 2 violations ⚠
54732 (Cornell) [B] — 1 violation
54827 (Cornucopia) [D]
53527 (Cottage Grove) [C] — 2 violations ⚠
54828 (Couderay) [D]
54520 (Crandon) [B] — 3 violations ⚠
54114 (Crivitz) [B] — 3 violations
53528 (Cross Plains) [C] — 4 violations
53807 (Cuba City) [C] — 2 violations ⚠
53110 (Cudahy) [B]
54829 (Cumberland) [B]
54422 (Curtiss) [B] — 1 violation
54006 (Cushing) [D]
54423 (Custer) [D]
54931 (Dale) [D]
54733 (Dallas) [B] — 13 violations ⚠
53926 (Dalton) [D]
54830 (Danbury) [B] — 2 violations ⚠
53529 (Dane) [B] — 1 violation
53114 (Darien) [C] — 2 violations
53530 (Darlington) [C] — 2 violations ⚠
53532 (De Forest) [D]
54115 (De Pere) [B] — 2 violations ⚠
54624 (De Soto) [D]
54007 (Deer Park) [D]
54424 (Deerbrook) [D]
53531 (Deerfield) [C] — 5 violations
53018 (Delafield) [C] — 14 violations ⚠
53115 (Delavan) [D] — 3 violations
53927 (Dellwood) [D]
54208 (Denmark) [B] — 3 violations ⚠
53808 (Dickeyville) [C] — 16 violations ⚠
54625 (Dodge) [C] — 8 violations ⚠
53533 (Dodgeville) [B] — 1 violation
53595 (Dodgeville) [C] — 1 violation
54425 (Dorchester) [B]
53118 (Dousman) [C] — 20 violations ⚠
54734 (Downing) [D]
54735 (Downsville) [B] — 1 violation
53928 (Doylestown) [B] — 3 violations
54009 (Dresser) [B]
54832 (Drummond) [B]
54119 (Dunbar) [B] — 9 violations
54736 (Durand) [C]
53119 (Eagle) [C]
54521 (Eagle River) [B] — 7 violations ⚠
54010 (East Ellsworth) [D]
53120 (East Troy) [C] — 6 violations ⚠
54626 (Eastman) [C] — 1 violation ⚠
54701 (Eau Claire) [B] — 7 violations
54702 (Eau Claire) [B] — 7 violations
54703 (Eau Claire) [B] — 7 violations
54737 (Eau Galle) [D]
53019 (Eden) [C]
54426 (Edgar) [C] — 2 violations ⚠
53534 (Edgerton) [D] — 9 violations ⚠
54834 (Edgewater) [D]
53535 (Edmund) [C]
54209 (Egg Harbor) [C] — 6 violations
54427 (Eland) [D]
54428 (Elcho) [C] — 3 violations ⚠
54429 (Elderon) [D]
54932 (Eldorado) [D]
54738 (Eleva) [B] — 9 violations ⚠
54739 (Elk Mound) [B] — 6 violations
53020 (Elkhart Lake) [B]
53121 (Elkhorn) [D] — 6 violations ⚠
54210 (Ellison Bay) [C] — 1 violation
54011 (Ellsworth) [C] — 2 violations ⚠
53122 (Elm Grove) [C] — 6 violations ⚠
54740 (Elmwood) [C] — 4 violations
53929 (Elroy) [B]
54430 (Elton) [D]
54933 (Embarrass) [C] — 2 violations
53930 (Endeavor) [C]
54211 (Ephraim) [D]
54627 (Ettrick) [B] — 5 violations
54934 (Eureka) [D]
53536 (Evansville) [C] — 14 violations ⚠
54835 (Exeland) [B]
54741 (Fairchild) [B] — 4 violations ⚠
53931 (Fairwater) [C] — 2 violations
54742 (Fall Creek) [B] — 5 violations ⚠
53932 (Fall River) [B] — 5 violations ⚠
54120 (Fence) [C]
53809 (Fennimore) [C] — 1 violation
54628 (Ferryville) [D]
54524 (Fifield) [B] — 3 violations
54212 (Fish Creek) [D]
54121 (Florence) [B] — 14 violations ⚠
54935 (Fond Du Lac) [D] — 13 violations ⚠
54936 (Fond Du Lac) [D] — 13 violations ⚠
54937 (Fond Du Lac) [D] — 13 violations ⚠
53125 (Fontana) [C] — 9 violations ⚠
53537 (Footville) [C] — 1 violation ⚠
54123 (Forest Junction) [B] — 2 violations ⚠
54213 (Forestville) [D]
53538 (Fort Atkinson) [F] — 9 violations ⚠
54629 (Fountain City) [C] — 4 violations
53933 (Fox Lake) [C] — 3 violations ⚠
54836 (Foxboro) [D]
54214 (Francis Creek) [D]
53132 (Franklin) [B] — 5 violations
53126 (Franksville) [C]
54837 (Frederic) [B]
53021 (Fredonia) [B] — 1 violation
54131 (Freedom) [B] — 1 violation
54940 (Fremont) [D]
53934 (Friendship) [B] — 4 violations
53935 (Friesland) [B] — 3 violations
54630 (Galesville) [C] — 9 violations ⚠
54432 (Galloway) [D]
54631 (Gays Mills) [C] — 6 violations ⚠
53127 (Genesee Depot) [D]
54632 (Genoa) [D] — 35 violations ⚠
53128 (Genoa City) [C] — 4 violations
53022 (Germantown) [C] — 5 violations ⚠
54525 (Gile) [D]
54124 (Gillett) [B]
54433 (Gilman) [B] — 2 violations
54743 (Gilmanton) [D]
54435 (Gleason) [D]
54526 (Glen Flora) [B] — 22 violations ⚠
53810 (Glen Haven) [D]
53023 (Glenbeulah) [B] — 3 violations ⚠
54013 (Glenwood City) [B]
54527 (Glidden) [B] — 3 violations
54125 (Goodman) [B] — 9 violations ⚠
54838 (Gordon) [B] — 3 violations
53540 (Gotham) [D]
53024 (Grafton) [B] — 8 violations
53936 (Grand Marsh) [D]
54839 (Grand View) [D]
54436 (Granton) [B] — 1 violation ⚠
54840 (Grantsburg) [B] — 3 violations
53541 (Gratiot) [C] — 8 violations ⚠
54301 (Green Bay) [B] — 6 violations ⚠
54302 (Green Bay) [B] — 6 violations ⚠
54303 (Green Bay) [B] — 6 violations ⚠
54304 (Green Bay) [B] — 6 violations ⚠
54305 (Green Bay) [B] — 6 violations ⚠
54306 (Green Bay) [B] — 6 violations ⚠
54307 (Green Bay) [B] — 6 violations ⚠
54308 (Green Bay) [B] — 6 violations ⚠
54311 (Green Bay) [B] — 6 violations ⚠
54313 (Green Bay) [B] — 6 violations ⚠
54324 (Green Bay) [B] — 6 violations ⚠
54344 (Green Bay) [B] — 6 violations ⚠
54941 (Green Lake) [C] — 6 violations ⚠
54127 (Green Valley) [C]
53026 (Greenbush) [D]
53129 (Greendale) [B] — 1 violation
54126 (Greenleaf) [B]
54942 (Greenville) [B] — 1 violation
54437 (Greenwood) [B]
54128 (Gresham) [C] — 13 violations ⚠
54014 (Hager City) [C] — 1 violation
53130 (Hales Corners) [B] — 12 violations ⚠
54015 (Hammond) [B]
54943 (Hancock) [B] — 7 violations ⚠
54439 (Hannibal) [D]
53542 (Hanover) [D]
54529 (Harshaw) [D]
53027 (Hartford) [C]
53029 (Hartland) [D] — 1 violation
54440 (Hatley) [C] — 2 violations
54841 (Haugen) [B] — 4 violations ⚠
54530 (Hawkins) [B] — 7 violations ⚠
54842 (Hawthorne) [D]
54843 (Hayward) [B] — 15 violations ⚠
53811 (Hazel Green) [C] — 23 violations ⚠
54531 (Hazelhurst) [D]
54532 (Heafford Junction) [D]
53137 (Helenville) [D]
54844 (Herbster) [D]
54845 (Hertel) [D]
54441 (Hewitt) [D]
54846 (High Bridge) [D]
53543 (Highland) [C]
54129 (Hilbert) [B]
53937 (Hillpoint) [D]
54634 (Hillsboro) [C] — 4 violations ⚠
53031 (Hingham) [D]
54635 (Hixton) [B] — 4 violations ⚠
54745 (Holcombe) [D]
53544 (Hollandale) [C] — 3 violations ⚠
54636 (Holmen) [B] — 5 violations ⚠
53138 (Honey Creek) [C]
53032 (Horicon) [C] — 3 violations ⚠
54944 (Hortonville) [B] — 3 violations ⚠
54082 (Houlton) [C] — 2 violations
53033 (Hubertus) [C]
54016 (Hudson) [C] — 8 violations ⚠
54746 (Humbird) [C]
54534 (Hurley) [B] — 3 violations
53034 (Hustisford) [C]
54637 (Hustler) [B]
54747 (Independence) [B]
54945 (Iola) [D] — 1 violation
54990 (Iola) [D] — 1 violation
54442 (Irma) [B] — 2 violations
54536 (Iron Belt) [B] — 1 violation ⚠
53035 (Iron Ridge) [C]
54847 (Iron River) [B] — 11 violations ⚠
53036 (Ixonia) [C] — 4 violations
53037 (Jackson) [C] — 3 violations ⚠
53545 (Janesville) [D] — 5 violations ⚠
53546 (Janesville) [D] — 5 violations ⚠
53547 (Janesville) [D] — 5 violations ⚠
53548 (Janesville) [D] — 5 violations ⚠
53549 (Jefferson) [D] — 10 violations ⚠
54748 (Jim Falls) [C]
53038 (Johnson Creek) [C] — 17 violations ⚠
53550 (Juda) [D]
54434 (Jump River) [D]
54443 (Junction City) [B]
53039 (Juneau) [F] — 5 violations ⚠
53139 (Kansasville) [B] — 11 violations
54130 (Kaukauna) [B] — 1 violation
54215 (Kellnersville) [D] — 8 violations ⚠
54638 (Kendall) [B] — 11 violations ⚠
54537 (Kennan) [B] — 4 violations ⚠
53140 (Kenosha) [C] — 29 violations ⚠
53141 (Kenosha) [C] — 29 violations ⚠
53142 (Kenosha) [C] — 29 violations ⚠
53143 (Kenosha) [C] — 29 violations ⚠
53144 (Kenosha) [C] — 29 violations ⚠
54135 (Keshena) [D]
53040 (Kewaskum) [C]
54216 (Kewaunee) [C] — 1 violation ⚠
53042 (Kiel) [B] — 2 violations
53812 (Kieler) [C] — 2 violations ⚠
54136 (Kimberly) [C] — 2 violations ⚠
54946 (King) [C] — 2 violations
53939 (Kingston) [D]
54749 (Knapp) [B] — 5 violations ⚠
53044 (Kohler) [B]
54137 (Krakow) [D]
54601 (La Crosse) [B] — 25 violations ⚠
54602 (La Crosse) [B] — 25 violations ⚠
54603 (La Crosse) [C] — 25 violations ⚠
54639 (La Farge) [C]
54850 (La Pointe) [C]
53941 (La Valle) [B] — 10 violations ⚠
54538 (Lac Du Flambeau) [B]
54848 (Ladysmith) [C] — 13 violations
53940 (Lake Delton) [B] — 2 violations
53147 (Lake Geneva) [C] — 2 violations
53551 (Lake Mills) [C] — 3 violations ⚠
54849 (Lake Nebagamon) [D]
54539 (Lake Tomahawk) [B]
54138 (Lakewood) [C]
53813 (Lancaster) [B] — 1 violation
54540 (Land O Lakes) [B] — 9 violations ⚠
53046 (Lannon) [C] — 2 violations
54541 (Laona) [B] — 9 violations ⚠
54947 (Larsen) [B]
53047 (Lebanon) [D]
54139 (Lena) [B] — 2 violations ⚠
54948 (Leopolis) [D]
53942 (Lime Ridge) [D]
53553 (Linden) [C] — 1 violation
54140 (Little Chute) [D] — 2 violations ⚠
54141 (Little Suamico) [B] — 1 violation ⚠
53554 (Livingston) [C]
53555 (Lodi) [D] — 8 violations ⚠
53943 (Loganville) [B]
53048 (Lomira) [D] — 1 violation
53556 (Lone Rock) [C] — 2 violations
54542 (Long Lake) [D]
53557 (Lowell) [C] — 1 violation
54446 (Loyal) [B]
54447 (Lublin) [D]
54853 (Luck) [B] — 1 violation
54217 (Luxemburg) [B] — 1 violation
53944 (Lyndon Station) [B]
54640 (Lynxville) [D]
53148 (Lyons) [D]
53701 (Madison) [C] — 11 violations ⚠
53702 (Madison) [C] — 11 violations ⚠
53703 (Madison) [C] — 11 violations ⚠
53704 (Madison) [C] — 11 violations ⚠
53705 (Madison) [C] — 11 violations ⚠
53706 (Madison) [C] — 11 violations ⚠
53707 (Madison) [C] — 11 violations ⚠
53708 (Madison) [C] — 11 violations ⚠
53711 (Madison) [C] — 11 violations ⚠
53713 (Madison) [C] — 11 violations ⚠
53714 (Madison) [C] — 11 violations ⚠
53715 (Madison) [C] — 11 violations ⚠
53716 (Madison) [C] — 11 violations ⚠
53717 (Madison) [C] — 11 violations ⚠
53718 (Madison) [C] — 11 violations ⚠
53719 (Madison) [C] — 11 violations ⚠
53725 (Madison) [C] — 11 violations ⚠
53726 (Madison) [C] — 11 violations ⚠
53744 (Madison) [C] — 11 violations ⚠
53774 (Madison) [C] — 11 violations ⚠
53777 (Madison) [C] — 11 violations ⚠
53778 (Madison) [C] — 11 violations ⚠
53779 (Madison) [C] — 11 violations ⚠
53782 (Madison) [C] — 11 violations ⚠
53783 (Madison) [C] — 11 violations ⚠
53784 (Madison) [C] — 11 violations ⚠
53785 (Madison) [C] — 11 violations ⚠
53786 (Madison) [C] — 11 violations ⚠
53788 (Madison) [C] — 11 violations ⚠
53789 (Madison) [C] — 11 violations ⚠
53790 (Madison) [C] — 11 violations ⚠
53791 (Madison) [C] — 11 violations ⚠
53792 (Madison) [C] — 11 violations ⚠
53793 (Madison) [C] — 11 violations ⚠
53794 (Madison) [C] — 11 violations ⚠
54750 (Maiden Rock) [C] — 2 violations ⚠
53049 (Malone) [D]
54949 (Manawa) [C] — 2 violations
54545 (Manitowish Waters) [D]
54220 (Manitowoc) [B]
54221 (Manitowoc) [B]
54854 (Maple) [D]
54226 (Maplewood) [C]
54448 (Marathon) [C] — 4 violations
54855 (Marengo) [B] — 6 violations
54227 (Maribel) [B] — 2 violations
54143 (Marinette) [B] — 1 violation
54950 (Marion) [B]
53946 (Markesan) [C]
53947 (Marquette) [D]
53559 (Marshall) [B]
54404 (Marshfield) [F] — 8 violations ⚠
54449 (Marshfield) [D] — 8 violations ⚠
54472 (Marshfield) [F] — 8 violations ⚠
54856 (Mason) [C]
54641 (Mather) [D]
54450 (Mattoon) [C] — 4 violations ⚠
53948 (Mauston) [B] — 10 violations ⚠
53050 (Mayville) [D] — 6 violations ⚠
53560 (Mazomanie) [C] — 2 violations
53558 (Mc Farland) [B]
54543 (Mc Naughton) [D]
54451 (Medford) [B] — 1 violation
54546 (Mellen) [B] — 1 violation
54642 (Melrose) [B]
54952 (Menasha) [C] — 2 violations
53051 (Menomonee Falls) [C] — 1 violation
53052 (Menomonee Falls) [C] — 1 violation
54751 (Menomonie) [B] — 6 violations
53097 (Mequon) [B] — 5 violations ⚠
54547 (Mercer) [B] — 2 violations
54452 (Merrill) [B] — 6 violations ⚠
54754 (Merrillan) [B] — 3 violations ⚠
53561 (Merrimac) [B] — 3 violations ⚠
53056 (Merton) [D]
53562 (Middleton) [C] — 6 violations ⚠
54857 (Mikana) [D]
54454 (Milladore) [C]
54643 (Millston) [D]
54858 (Milltown) [B]
53563 (Milton) [C] — 4 violations ⚠
53201 (Milwaukee) [B] — 41 violations ⚠
53202 (Milwaukee) [B] — 41 violations ⚠
53203 (Milwaukee) [B] — 41 violations ⚠
53204 (Milwaukee) [B] — 41 violations ⚠
53205 (Milwaukee) [B] — 41 violations ⚠
53206 (Milwaukee) [B] — 41 violations ⚠
53207 (Milwaukee) [B] — 41 violations ⚠
53208 (Milwaukee) [B] — 41 violations ⚠
53209 (Milwaukee) [C] — 41 violations ⚠
53210 (Milwaukee) [B] — 41 violations ⚠
53211 (Milwaukee) [B] — 41 violations ⚠
53212 (Milwaukee) [B] — 41 violations ⚠
53213 (Milwaukee) [B] — 41 violations ⚠
53214 (Milwaukee) [B] — 41 violations ⚠
53215 (Milwaukee) [B] — 41 violations ⚠
53216 (Milwaukee) [B] — 41 violations ⚠
53217 (Milwaukee) [C] — 41 violations ⚠
53218 (Milwaukee) [C] — 41 violations ⚠
53219 (Milwaukee) [B] — 41 violations ⚠
53220 (Milwaukee) [B] — 41 violations ⚠
53221 (Milwaukee) [B] — 41 violations ⚠
53222 (Milwaukee) [B] — 41 violations ⚠
53223 (Milwaukee) [B] — 41 violations ⚠
53224 (Milwaukee) [B] — 41 violations ⚠
53225 (Milwaukee) [B] — 41 violations ⚠
53226 (Milwaukee) [B] — 41 violations ⚠
53227 (Milwaukee) [B] — 41 violations ⚠
53228 (Milwaukee) [B] — 41 violations ⚠
53233 (Milwaukee) [B] — 41 violations ⚠
53234 (Milwaukee) [B] — 41 violations ⚠
53237 (Milwaukee) [B] — 41 violations ⚠
53244 (Milwaukee) [B] — 41 violations ⚠
53259 (Milwaukee) [B] — 41 violations ⚠
53263 (Milwaukee) [B] — 41 violations ⚠
53267 (Milwaukee) [B] — 41 violations ⚠
53268 (Milwaukee) [B] — 41 violations ⚠
53274 (Milwaukee) [B] — 41 violations ⚠
53278 (Milwaukee) [B] — 41 violations ⚠
53288 (Milwaukee) [B] — 41 violations ⚠
53290 (Milwaukee) [B] — 41 violations ⚠
53293 (Milwaukee) [B] — 41 violations ⚠
53295 (Milwaukee) [B] — 41 violations ⚠
54644 (Mindoro) [B] — 3 violations ⚠
53565 (Mineral Point) [D] — 3 violations ⚠
54548 (Minocqua) [B] — 10 violations ⚠
54859 (Minong) [B]
54228 (Mishicot) [B]
54755 (Mondovi) [C] — 3 violations ⚠
53566 (Monroe) [C] — 1 violation ⚠
53949 (Montello) [B] — 5 violations ⚠
53569 (Montfort) [C] — 5 violations ⚠
53570 (Monticello) [C] — 2 violations ⚠
54550 (Montreal) [B] — 3 violations ⚠
53571 (Morrisonville) [C]
54455 (Mosinee) [C] — 3 violations ⚠
53057 (Mount Calvary) [C]
53816 (Mount Hope) [C] — 2 violations ⚠
53572 (Mount Horeb) [B]
54645 (Mount Sterling) [F] — 10 violations ⚠
54149 (Mountain) [C]
53149 (Mukwonago) [C] — 10 violations ⚠
53573 (Muscoda) [B]
53150 (Muskego) [C] — 9 violations ⚠
53058 (Nashotah) [B]
54646 (Necedah) [B] — 5 violations ⚠
54956 (Neenah) [B] — 4 violations ⚠
54957 (Neenah) [B] — 4 violations ⚠
54456 (Neillsville) [B] — 14 violations
54457 (Nekoosa) [C] — 2 violations
54756 (Nelson) [C]
54458 (Nelsonville) [D]
54150 (Neopit) [D]
53059 (Neosho) [D]
54960 (Neshkoro) [D]
54757 (New Auburn) [B] — 1 violation
53146 (New Berlin) [C] — 1 violation
53151 (New Berlin) [C] — 1 violation
54229 (New Franken) [B] — 2 violations
53574 (New Glarus) [C] — 3 violations ⚠
53061 (New Holstein) [B] — 3 violations
53062 (New Holstein) [B] — 3 violations
53950 (New Lisbon) [B] — 2 violations ⚠
54961 (New London) [D] — 1 violation
53152 (New Munster) [D]
54017 (New Richmond) [C] — 2 violations ⚠
53060 (Newburg) [D]
53063 (Newton) [D]
54151 (Niagara) [B]
54152 (Nichols) [B]
53951 (North Freedom) [B]
53064 (North Lake) [C] — 3 violations ⚠
53153 (North Prairie) [C] — 5 violations
54648 (Norwalk) [B]
53154 (Oak Creek) [B] — 4 violations ⚠
54649 (Oakdale) [B] — 2 violations ⚠
53065 (Oakfield) [B]
53066 (Oconomowoc) [D] — 6 violations
54153 (Oconto) [B] — 2 violations ⚠
54154 (Oconto Falls) [C] — 2 violations ⚠
54861 (Odanah) [D]
54962 (Ogdensburg) [D]
54459 (Ogema) [D]
54862 (Ojibwa) [C]
53069 (Okauchee) [C]
54963 (Omro) [B] — 2 violations
54650 (Onalaska) [B]
54155 (Oneida) [C]
54651 (Ontario) [C] — 3 violations ⚠
53070 (Oostburg) [C]
53575 (Oregon) [C] — 20 violations ⚠
53576 (Orfordville) [B]
54020 (Osceola) [B] — 6 violations ⚠
54901 (Oshkosh) [C] — 12 violations ⚠
54902 (Oshkosh) [D] — 12 violations ⚠
54903 (Oshkosh) [C] — 12 violations ⚠
54904 (Oshkosh) [C] — 12 violations ⚠
54906 (Oshkosh) [D] — 12 violations ⚠
54758 (Osseo) [B]
54460 (Owen) [B] — 12 violations ⚠
53952 (Oxford) [C] — 2 violations
53953 (Packwaukee) [C]
53156 (Palmyra) [B] — 1 violation
53954 (Pardeeville) [B] — 7 violations
54552 (Park Falls) [B]
53817 (Patch Grove) [C]
54462 (Pearson) [D]
54463 (Pelican Lake) [D]
53157 (Pell Lake) [D] — 24 violations ⚠
54156 (Pembine) [D]
54759 (Pepin) [C] — 14 violations ⚠
54157 (Peshtigo) [B] — 5 violations
53072 (Pewaukee) [D] — 49 violations ⚠
54554 (Phelps) [B] — 2 violations
54555 (Phillips) [B] — 5 violations ⚠
54464 (Phlox) [D]
54465 (Pickerel) [C]
54964 (Pickett) [D]
54760 (Pigeon Falls) [B] — 1 violation
54965 (Pine River) [C]
54466 (Pittsville) [B]
53577 (Plain) [B] — 9 violations ⚠
54966 (Plainfield) [B] — 2 violations
53818 (Platteville) [D] — 18 violations ⚠
53158 (Pleasant Prairie) [B] — 7 violations ⚠
54467 (Plover) [C] — 2 violations
54761 (Plum City) [C] — 3 violations
53073 (Plymouth) [B] — 7 violations ⚠
54864 (Poplar) [D]
54469 (Port Edwards) [C] — 1 violation
53074 (Port Washington) [B] — 4 violations
54865 (Port Wing) [B] — 2 violations
53901 (Portage) [C] — 4 violations ⚠
54159 (Porterfield) [C]
53820 (Potosi) [C] — 9 violations ⚠
54160 (Potter) [C]
54161 (Pound) [B] — 4 violations ⚠
53159 (Powers Lake) [B]
54967 (Poy Sippi) [D]
53955 (Poynette) [C] — 16 violations ⚠
53821 (Prairie Du Chien) [C] — 3 violations ⚠
53578 (Prairie Du Sac) [B] — 8 violations ⚠
54762 (Prairie Farm) [D]
54556 (Prentice) [B] — 2 violations
54021 (Prescott) [C] — 2 violations ⚠
54557 (Presque Isle) [D]
54968 (Princeton) [C] — 5 violations ⚠
54162 (Pulaski) [B]
53401 (Racine) [B] — 14 violations ⚠
53402 (Racine) [B] — 14 violations ⚠
53403 (Racine) [B] — 14 violations ⚠
53404 (Racine) [B] — 14 violations ⚠
53405 (Racine) [B] — 14 violations ⚠
53406 (Racine) [B] — 14 violations ⚠
53407 (Racine) [B] — 14 violations ⚠
53408 (Racine) [B] — 14 violations ⚠
54867 (Radisson) [B] — 10 violations ⚠
53956 (Randolph) [D] — 9 violations ⚠
53957 (Randolph) [D] — 9 violations ⚠
53075 (Random Lake) [B]
54969 (Readfield) [D]
54652 (Readstown) [C] — 6 violations ⚠
54970 (Redgranite) [B] — 2 violations
53958 (Reedsburg) [B] — 5 violations
53959 (Reedsburg) [B] — 5 violations
54230 (Reedsville) [B] — 2 violations ⚠
53579 (Reeseville) [C] — 5 violations ⚠
53580 (Rewey) [C] — 1 violation
54501 (Rhinelander) [B] — 5 violations ⚠
54470 (Rib Lake) [B] — 4 violations ⚠
54868 (Rice Lake) [B] — 25 violations ⚠
53076 (Richfield) [C]
53581 (Richland Center) [D] — 9 violations ⚠
54763 (Ridgeland) [C]
53582 (Ridgeway) [C] — 3 violations ⚠
54471 (Ringle) [D]
53960 (Rio) [B] — 3 violations ⚠
54971 (Ripon) [D] — 2 violations ⚠
54022 (River Falls) [C] — 5 violations ⚠
54023 (Roberts) [B] — 1 violation
53167 (Rochester) [B] — 31 violations ⚠
54764 (Rock Falls) [D]
53961 (Rock Springs) [B] — 1 violation
54653 (Rockland) [B] — 2 violations ⚠
54974 (Rosendale) [D]
54473 (Rosholt) [D]
54474 (Rothschild) [C] — 2 violations ⚠
53078 (Rubicon) [D]
54475 (Rudolph) [D]
53079 (Saint Cloud) [D]
54024 (Saint Croix Falls) [C]
53235 (Saint Francis) [D]
54558 (Saint Germain) [D]
54232 (Saint Nazianz) [D]
53168 (Salem) [C] — 21 violations ⚠
54765 (Sand Creek) [D]
54870 (Sarona) [D]
53583 (Sauk City) [C] — 8 violations
53080 (Saukville) [C] — 2 violations ⚠
54976 (Saxeville) [D]
54559 (Saxon) [D]
54560 (Sayner) [D]
54977 (Scandinavia) [D]
54476 (Schofield) [B] — 1 violation
54654 (Seneca) [C] — 1 violation
53584 (Sextonville) [C] — 3 violations
54165 (Seymour) [B]
53585 (Sharon) [C] — 16 violations ⚠
54166 (Shawano) [B]
53081 (Sheboygan) [B] — 4 violations ⚠
53082 (Sheboygan) [B] — 4 violations ⚠
53083 (Sheboygan) [B] — 4 violations ⚠
53085 (Sheboygan Falls) [B] — 8 violations ⚠
54766 (Sheldon) [B] — 22 violations ⚠
54871 (Shell Lake) [B] — 4 violations ⚠
54169 (Sherwood) [B] — 3 violations ⚠
54170 (Shiocton) [B]
53586 (Shullsburg) [C]
53170 (Silver Lake) [B] — 13 violations ⚠
53199 (Silver Lake) [B] — 13 violations ⚠
53824 (Sinsinawa) [C]
54872 (Siren) [B]
54234 (Sister Bay) [C]
53086 (Slinger) [C] — 2 violations ⚠
54171 (Sobieski) [D]
54655 (Soldiers Grove) [C] — 2 violations
54873 (Solon Springs) [C]
53171 (Somers) [B] — 3 violations
54025 (Somerset) [C] — 6 violations ⚠
53172 (South Milwaukee) [B] — 2 violations
54874 (South Range) [B] — 5 violations ⚠
53587 (South Wayne) [C] — 2 violations
54656 (Sparta) [B] — 6 violations
54479 (Spencer) [C] — 4 violations ⚠
54801 (Spooner) [B] — 7 violations
53588 (Spring Green) [C] — 17 violations ⚠
54767 (Spring Valley) [C] — 2 violations
54875 (Springbrook) [D]
53176 (Springfield) [D]
54768 (Stanley) [B] — 1 violation
54561 (Star Lake) [D]
54026 (Star Prairie) [C]
54480 (Stetsonville) [B] — 8 violations ⚠
54657 (Steuben) [D]
54481 (Stevens Point) [D] — 59 violations ⚠
54482 (Stevens Point) [D] — 59 violations ⚠
54492 (Stevens Point) [D] — 59 violations ⚠
53825 (Stitzer) [C] — 4 violations ⚠
53088 (Stockbridge) [B] — 2 violations ⚠
54769 (Stockholm) [D]
54658 (Stoddard) [B] — 4 violations ⚠
54876 (Stone Lake) [B] — 1 violation
53589 (Stoughton) [C] — 5 violations ⚠
54484 (Stratford) [C] — 3 violations ⚠
54770 (Strum) [B] — 1 violation
54235 (Sturgeon Bay) [C] — 3 violations
53177 (Sturtevant) [B] — 1 violation
54173 (Suamico) [B]
53178 (Sullivan) [B]
54485 (Summit Lake) [D]
53590 (Sun Prairie) [C] — 3 violations ⚠
53596 (Sun Prairie) [C] — 3 violations ⚠
54880 (Superior) [C] — 40 violations ⚠
54174 (Suring) [B] — 7 violations ⚠
53089 (Sussex) [C] — 6 violations ⚠
54659 (Taylor) [B] — 2 violations
53091 (Theresa) [C] — 3 violations ⚠
53092 (Thiensville) [C] — 1 violation
54771 (Thorp) [C] — 7 violations ⚠
54562 (Three Lakes) [C] — 18 violations ⚠
54486 (Tigerton) [C] — 5 violations ⚠
54978 (Tilleda) [D]
54240 (Tisch Mills) [D]
54660 (Tomah) [B] — 1 violation ⚠
54487 (Tomahawk) [B] — 2 violations ⚠
54563 (Tony) [B] — 8 violations ⚠
54175 (Townsend) [C]
54888 (Trego) [D]
54661 (Trempealeau) [B]
53179 (Trevor) [B] — 3 violations ⚠
54564 (Tripoli) [D]
54662 (Tunnel City) [D]
54889 (Turtle Lake) [B]
53181 (Twin Lakes) [B] — 10 violations ⚠
54241 (Two Rivers) [D] — 8 violations ⚠
53962 (Union Center) [B]
53182 (Union Grove) [B] — 15 violations ⚠
54488 (Unity) [B] — 1 violation
54565 (Upson) [D]
54245 (Valders) [B]
54979 (Van Dyne) [D]
53593 (Verona) [C] — 2 violations ⚠
54489 (Vesper) [C] — 1 violation
54664 (Viola) [C] — 4 violations
54665 (Viroqua) [B] — 1 violation
54566 (Wabeno) [B]
53093 (Waldo) [B]
53183 (Wales) [C] — 5 violations ⚠
53184 (Walworth) [D] — 6 violations
54666 (Warrens) [B]
54890 (Wascott) [D]
54891 (Washburn) [B] — 3 violations ⚠
54246 (Washington Island) [D]
53185 (Waterford) [B] — 8 violations ⚠
53594 (Waterloo) [B] — 1 violation
53094 (Watertown) [F] — 9 violations ⚠
53098 (Watertown) [F] — 9 violations ⚠
54980 (Waukau) [D]
53186 (Waukesha) [D] — 23 violations ⚠
53187 (Waukesha) [F] — 23 violations ⚠
53188 (Waukesha) [D] — 23 violations ⚠
53189 (Waukesha) [D] — 23 violations ⚠
53597 (Waunakee) [C] — 14 violations
54981 (Waupaca) [C] — 3 violations ⚠
53963 (Waupun) [C] — 7 violations ⚠
54401 (Wausau) [C] — 13 violations ⚠
54402 (Wausau) [C] — 13 violations ⚠
54403 (Wausau) [C] — 13 violations ⚠
54177 (Wausaukee) [B] — 3 violations ⚠
54982 (Wautoma) [B] — 1 violation
53826 (Wauzeka) [C]
54893 (Webster) [B]
53090 (West Bend) [D] — 5 violations
53095 (West Bend) [D] — 5 violations
54669 (West Salem) [B] — 1 violation
54490 (Westboro) [B] — 4 violations ⚠
54667 (Westby) [C] — 10 violations ⚠
53964 (Westfield) [B]
54983 (Weyauwega) [C] — 1 violation
54895 (Weyerhaeuser) [B]
54772 (Wheeler) [C] — 5 violations ⚠
54491 (White Lake) [B]
54773 (Whitehall) [B] — 4 violations ⚠
54247 (Whitelaw) [B] — 6 violations ⚠
53190 (Whitewater) [D] — 12 violations
54984 (Wild Rose) [B]
54493 (Willard) [D]
53191 (Williams Bay) [C] — 7 violations ⚠
53192 (Wilmot) [D]
54027 (Wilson) [C] — 6 violations ⚠
54670 (Wilton) [B] — 2 violations ⚠
53598 (Windsor) [C]
54985 (Winnebago) [B] — 1 violation
54986 (Winneconne) [C] — 11 violations ⚠
54896 (Winter) [B] — 4 violations ⚠
53965 (Wisconsin Dells) [B] — 16 violations ⚠
54494 (Wisconsin Rapids) [D] — 7 violations ⚠
54495 (Wisconsin Rapids) [C] — 7 violations ⚠
54498 (Withee) [B]
54499 (Wittenberg) [C]
53968 (Wonewoc) [B]
53599 (Woodford) [D]
53099 (Woodland) [D]
53827 (Woodman) [D]
54568 (Woodruff) [D]
54028 (Woodville) [C] — 2 violations
53194 (Woodworth) [D]
54180 (Wrightstown) [C] — 1 violation ⚠
53969 (Wyocena) [B]
54182 (Zachow) [D]
53195 (Zenda) [D]

Data Sources

Water quality: EPA Safe Drinking Water Information System (SDWIS)
Regulations: State plumbing boards, ICC, IAPMO

Updated daily.

Frequently Asked Questions

Is the water safe to drink in Wisconsin?

Wisconsin has 903 community water systems serving 3,608,017 people across 898 ZIP codes. There are 5,281 recorded violations, including 816 health-based. 575 of 898 ZIP codes have at least one violation.

What plumbing code does Wisconsin follow?

Wisconsin follows the State-specific plumbing code. A licensed plumber is generally required for plumbing work.

Is lead a concern in Wisconsin's drinking water?

17 ZIP codes in Wisconsin have lead levels exceeding the EPA action level of 0.015 mg/L.

What is the radon risk in Wisconsin?

44% of ZIP codes in Wisconsin fall in EPA Radon Zone 1 (highest risk).