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Wisconsin ZIP Code Water Quality

557 ZIP codes with water quality data · State average grade: B

ZIP Codes
557
Avg Grade
B
A or B
71%
D or F
18%

How Wisconsin ZIP codes scored

37%
35%
10%
9%
10%
A
205
37%
Excellent
B
193
35%
Good
C
57
10%
Fair
D
48
9%
Poor
F
54
10%
Failing

All 557 ZIP codes in Wisconsin

ZIP Code Primary City Grade Score Score Cities
53001 Adell
A-
85
1
53002 Allenton
A
90.6
1
53004 Belgium
A-
87.8
2
53005 Brookfield
C-
56.6
1
53006 Brownsville
B+
82.3
1
53007 Butler
A-
87.9
1
53008 Brookfield
C-
56.6
1
53010 Campbellsport
C+
68.9
1
53011 Cascade
B+
84.6
1
53012 Cedarburg
B+
82.3
1
53013 Cedar Grove
A
90
1
53014 Chilton
B+
80.8
2
53015 Cleveland
B
78.5
1
53018 Delafield
D
47
1
53020 Elkhart Lake
A
91.4
1
53021 Fredonia
A
91.5
1
53022 Germantown
B-
73.9
1
53024 Port Washington
B+
81.5
2
53027 Hartford
B+
82.1
1
53029 Hartland
B
79.5
2
53032 Horicon
B+
82.7
1
53034 Hustisford
A
91.4
1
53035 Iron Ridge
A-
86.5
1
53036 Ixonia
D+
52.4
1
53037 Jackson
B+
82.7
1
53038 Johnson Creek
C
61.6
1
53039 Juneau
C+
67.1
1
53040 Kewaskum
A
91
1
53042 Kiel
A-
86.4
1
53044 Kohler
A-
89.8
1
53045 Brookfield
C-
56.6
1
53048 Lomira
B+
82.8
1
53050 Mayville
A-
87
1
53051 Menomonee Falls
B+
84.2
1
53052 Menomonee Falls
B+
84.2
1
53058 Delafield
D
47
1
53061 New Holstein
A-
86.2
1
53062 New Holstein
A-
86.2
1
53065 Oakfield
A
91
1
53066 Oconomowoc
B
76.3
2
53070 Oostburg
B+
84.4
1
53072 Pewaukee
F
40.2
1
53073 Plymouth
C+
69.5
1
53074 Port Washington
B+
81.5
1
53075 Random Lake
A-
87.2
1
53076 Germantown
B-
73.9
1
53080 Saukville
B
77.7
1
53081 Sheboygan
A-
86.1
1
53083 Sheboygan
A-
86.1
1
53085 Sheboygan Falls
B-
73.5
1
53086 Slinger
B
77.5
1
53088 Stockbridge
B+
81.4
1
53089 Sussex
D+
53.2
1
53090 West Bend
F
34.1
1
53091 Theresa
B
75.8
1
53092 Mequon
F
40
1
53093 Waldo
A-
85.6
1
53094 Watertown
D
45.4
2
53095 West Bend
F
34.1
1
53097 Mequon
F
40
1
53098 Watertown
D
45.4
1
53104 Bristol
B
77.8
1
53105 Burlington
B-
70.2
1
53108 Caledonia
B
76.3
1
53110 Cudahy
B+
83.8
1
53114 Darien
A
91.7
1
53115 Delavan
F
44.5
1
53118 Dousman
C
62.4
1
53119 Eagle
B+
80.3
1
53120 East Troy
B
76.5
1
53121 Elkhorn
F
34.5
1
53122 Elm Grove
F
43
1
53126 Caledonia
B
76.3
1
53128 Genoa City
B-
73.3
1
53129 Greendale
A-
85.5
1
53130 Hales Corners
C+
68.4
1
53132 Franklin
B
78.3
1
53140 Kenosha
D
45.8
2
53141 Kenosha
D
45.8
1
53142 Kenosha
D
45.8
3
53143 Kenosha
D
45.8
1
53144 Kenosha
D
45.8
2
53146 New Berlin
B
79
1
53147 Lake Geneva
C
60
1
53149 Mukwonago
D
48.5
1
53150 Muskego
D
46.5
1
53151 New Berlin
B
79
1
53153 North Prairie
B+
84
1
53154 Oak Creek
B
80
1
53156 Palmyra
A-
89.2
1
53158 Pleasant Prairie
B+
82.2
1
53171 Somers
B+
80.8
1
53172 South Milwaukee
A-
87.2
1
53177 Somers
B+
80.8
1
53178 Sullivan
A
91.6
1
53182 Union Grove
D
48.2
1
53184 Walworth
B-
72.4
1
53185 Waterford
B
79
1
53186 Waukesha
D
47.1
2
53187 Waukesha
D
47.1
1
53188 Waukesha
D
47.1
2
53189 Waukesha
D
47.1
1
53190 Whitewater
C+
68.6
1
53191 Williams Bay
C
61.8
1
53201 Milwaukee
A
90.2
1
53202 Milwaukee
A
90.2
1
53203 Milwaukee
A
90.2
1
53204 Milwaukee
A
90.2
1
53205 Milwaukee
A
90.2
1
53206 Milwaukee
A
90.2
1
53207 Milwaukee
A
90.2
1
53208 Milwaukee
A
90.2
1
53209 Milwaukee
A
90.2
3
53210 Milwaukee
A
90.2
1
53211 Milwaukee
A
90.2
3
53212 Milwaukee
A
90.2
2
53213 Milwaukee
A
90.2
2
53214 Milwaukee
A
90.2
2
53215 Milwaukee
A
90.2
1
53216 Milwaukee
A
90.2
1
53217 Whitefish Bay
B+
84.7
3
53218 Milwaukee
A
90.2
1
53219 Milwaukee
A
90.2
2
53220 Milwaukee
A
90.2
1
53221 Milwaukee
A
90.2
1
53222 Milwaukee
A
90.2
2
53223 Milwaukee
A
90.2
2
53224 Milwaukee
A
90.2
1
53225 Milwaukee
A
90.2
2
53226 Wauwatosa
B+
82.8
1
53227 West Allis
A-
87
1
53228 Milwaukee
A
90.2
1
53233 Milwaukee
A
90.2
1
53237 Milwaukee
A
90.2
1
53259 Milwaukee
A
90.2
1
53263 Milwaukee
A
90.2
1
53274 Milwaukee
A
90.2
1
53278 Milwaukee
A
90.2
1
53288 Milwaukee
A
90.2
1
53290 Milwaukee
A
90.2
1
53293 Milwaukee
A
90.2
1
53295 Milwaukee
A
90.2
1
53401 Racine
C+
69.5
1
53402 Racine
C+
69.5
2
53403 Racine
C+
69.5
1
53404 Racine
C+
69.5
2
53405 Racine
C+
69.5
2
53406 Racine
C+
69.5
2
53407 Racine
C+
69.5
1
53408 Racine
C+
69.5
1
53502 Albany
A-
88.3
1
53503 Arena
C-
55.6
1
53504 Argyle
C
64.9
1
53506 Avoca
B+
80
1
53507 Barneveld
B
78.5
1
53508 Belleville
B+
80.8
1
53510 Belmont
B+
80.1
1
53511 Beloit
B+
84
1
53512 Beloit
B+
84
1
53515 Black Earth
A-
85.3
1
53516 Blanchardville
A
93
1
53517 Blue Mounds
A-
86.8
1
53520 Brodhead
A+
96.8
1
53521 Brooklyn
A
90.7
1
53523 Cambridge
B
76.3
1
53525 Clinton
B-
71.6
1
53527 Cottage Grove
A-
85.9
1
53528 Cross Plains
A-
87
1
53529 Dane
A
91.7
1
53530 Darlington
A-
85
1
53531 Deerfield
B
77.5
1
53532 Deforest
B+
84.6
2
53533 Dodgeville
A-
89
1
53534 Edgerton
D
49
1
53536 Evansville
C-
59.2
1
53537 Footville
A-
86.1
1
53538 Fort Atkinson
A-
86.2
1
53543 Highland
A
91.2
1
53545 Janesville
B
78.9
1
53546 Janesville
B
78.9
1
53547 Janesville
B
78.9
1
53548 Janesville
B
78.9
2
53549 Jefferson
B
76.3
1
53551 Lake Mills
C+
66.1
1
53553 Linden
B+
83
1
53554 Livingston
A
92.7
1
53555 Lodi
B-
70.1
1
53556 Lone Rock
A-
87.9
1
53559 Marshall
A
91.4
1
53560 Mazomanie
B+
80.6
1
53561 Merrimac
B+
80.3
1
53562 Middleton
C+
67
1
53563 Milton
A
94.2
1
53565 Mineral Point
C
64.8
1
53566 Monroe
A-
87.8
1
53569 Montfort
B
77.6
1
53570 Monticello
B+
81.1
1
53571 Windsor
A-
89.5
1
53572 Mount Horeb
A
92.2
1
53573 Muscoda
A
90.5
1
53574 New Glarus
A-
87.1
1
53575 Fitchburg
A
90.3
2
53576 Orfordville
A
94.1
1
53577 Plain
B+
82
1
53578 Prairie Du Sac
C+
66.1
1
53579 Reeseville
B-
73.8
1
53581 Richland Center
B-
72.6
1
53582 Ridgeway
A-
85.3
1
53583 Sauk City
A-
85.8
1
53585 Sharon
C-
58.1
1
53586 Shullsburg
A
90.6
1
53587 South Wayne
A-
88
1
53588 Spring Green
C
61.5
1
53589 Stoughton
B+
82.5
1
53590 Sun Prairie
A
90.1
2
53593 Verona
B+
84.3
1
53594 Waterloo
A-
89.8
1
53595 Dodgeville
A-
89
1
53596 Windsor
A-
89.5
1
53597 Waunakee
B-
70.1
1
53598 Deforest
B+
84.6
2
53701 Madison
F
35.4
1
53702 Madison
F
35.4
1
53703 Madison
F
35.4
1
53704 Madison
F
35.4
1
53705 Madison
F
35.4
1
53706 Madison
F
35.4
1
53707 Madison
F
35.4
1
53708 Madison
F
35.4
1
53711 Madison
F
35.4
2
53713 Madison
F
35.4
3
53714 Madison
F
35.4
1
53715 Madison
F
35.4
1
53716 Madison
F
35.4
2
53717 Madison
F
35.4
1
53718 Madison
F
35.4
1
53719 Madison
F
35.4
2
53725 Madison
F
35.4
1
53726 Madison
F
35.4
1
53744 Fitchburg
A
90.3
1
53774 Madison
F
35.4
1
53777 Madison
F
35.4
1
53782 Madison
F
35.4
1
53783 Madison
F
35.4
1
53784 Madison
F
35.4
1
53785 Madison
F
35.4
1
53786 Madison
F
35.4
1
53788 Madison
F
35.4
1
53790 Madison
F
35.4
1
53792 Madison
F
35.4
1
53793 Madison
F
35.4
1
53794 Madison
F
35.4
1
53803 Benton
A
90.7
1
53804 Bloomington
A+
96.9
1
53805 Boscobel
A-
88.7
1
53806 Cassville
B-
73.9
1
53807 Cuba City
B
79.2
3
53808 Dickeyville
B+
81.9
1
53809 Fennimore
A
90.3
1
53811 Hazel Green
F
44
1
53812 Kieler
B+
84
1
53813 Lancaster
A
92.8
1
53818 Platteville
D+
50.7
1
53820 Potosi
C
61.2
1
53821 Prairie Du Chien
B
75.5
1
53826 Wauzeka
A
92.6
1
53901 Portage
B
79.7
1
53910 Adams
B+
84.8
1
53911 Arlington
B
78
1
53913 Baraboo
B
75
3
53916 Beaver Dam
A-
88.8
1
53919 Brandon
A-
89.6
1
53923 Cambria
A
91.2
1
53925 Columbus
B
75.2
1
53929 Elroy
A-
86.8
1
53932 Fall River
B+
81.8
1
53933 Fox Lake
B
75.4
1
53934 Friendship
B
79.4
1
53940 Lake Delton
A-
86.7
1
53946 Markesan
B+
82.7
1
53948 Mauston
F
38
1
53949 Montello
B-
70.1
1
53950 New Lisbon
B+
84.3
1
53951 North Freedom
B+
84.6
1
53952 Oxford
B
79.6
1
53954 Pardeeville
A
93
2
53955 Poynette
D
48.4
1
53956 Randolph
B
77
1
53957 Randolph
B
77
1
53958 Reedsburg
B+
81.1
1
53959 Reedsburg
B+
81.1
1
53960 Rio
B+
83.8
2
53963 Waupun
C+
66.4
1
53965 Wisconsin Dells
F
40.3
2
53968 Wonewoc
A
91.4
1
53969 Wyocena
A
90.2
1
54001 Amery
B
79.6
1
54002 Baldwin
A
92.3
1
54004 Clayton
B-
73.7
1
54005 Clear Lake
A
93.2
1
54009 Dresser
A
90.4
1
54011 Ellsworth
B+
84.5
1
54013 Glenwood City
A-
88.4
1
54015 Hammond
A
90.7
1
54016 Hudson
B
75.7
1
54017 New Richmond
B
78
1
54020 Osceola
B
77
1
54021 Prescott
B+
81.2
1
54022 River Falls
C+
67
1
54023 Roberts
A-
85.2
1
54025 Somerset
B-
72.1
1
54026 Star Prairie
A
90
1
54028 Woodville
A-
87.4
1
54106 Black Creek
A
91.6
1
54107 Bonduel
A-
89
1
54110 Brillion
A
92.9
1
54112 Coleman
A-
88.9
1
54113 Combined Locks
B
77.7
1
54114 Crivitz
A-
87.4
1
54115 De Pere
B
75.8
2
54121 Florence
D
48.4
1
54124 Gillett
A
94.1
1
54126 Greenleaf
A-
88.9
1
54128 Gresham
B
76.8
1
54129 Hilbert
A
91.8
2
54130 Kaukauna
B+
84.8
2
54135 Keshena
C+
65.2
1
54136 Kimberly
B-
74.8
1
54139 Lena
B+
83.1
1
54140 Little Chute
B+
82.8
1
54143 Marinette
A-
89.8
1
54151 Niagara
A-
85.7
1
54153 Oconto
A-
86.5
1
54154 Oconto Falls
B+
84.1
1
54155 Oneida
D
49.2
2
54157 Peshtigo
A-
86.2
1
54162 Pulaski
A-
85.7
1
54165 Seymour
A-
88.7
1
54166 Shawano
A
90.5
1
54169 Sherwood
B-
72.3
1
54170 Shiocton
A
91.3
1
54173 Suamico
A
92.2
1
54174 Suring
B-
74.2
1
54177 Wausaukee
B
79.3
1
54180 Wrightstown
B
78.3
1
54201 Algoma
A-
88.3
1
54208 Denmark
B
76.5
1
54216 Kewaunee
A-
86.8
1
54217 Luxemburg
B+
84.5
1
54220 Manitowoc
B+
84
1
54228 Mishicot
B+
82.5
1
54229 New Franken
A-
88.4
1
54230 Reedsville
B+
80.4
1
54234 Sister Bay
B+
82.5
1
54235 Sturgeon Bay
B+
82.4
1
54241 Two Rivers
C-
59.4
1
54245 Valders
A-
87.2
1
54247 Whitelaw
B-
74.9
1
54301 Green Bay
D+
54
1
54302 Green Bay
D+
54
1
54303 Green Bay
D+
54
1
54304 Green Bay
D+
54
1
54305 Green Bay
D+
54
1
54306 Green Bay
D+
54
1
54308 Green Bay
D+
54
1
54311 Green Bay
D+
54
1
54313 Hobart
B-
70.2
2
54344 De Pere
B
75.8
1
54401 Wausau
C
64.7
1
54403 Wausau
C
64.7
1
54404 Marshfield
C-
58.2
1
54405 Abbotsford
B
79
1
54406 Amherst
B
76.9
1
54409 Antigo
F
43
1
54411 Athens
B+
80.1
1
54414 Birnamwood
A
92.4
1
54416 Bowler
A-
88.5
1
54421 Abbotsford
B
79
2
54425 Dorchester
B+
82.1
1
54426 Edgar
B+
81.3
1
54437 Greenwood
A-
88.8
1
54440 Hatley
A
90.1
1
54446 Loyal
A-
87
1
54448 Marathon City
B
78.7
1
54449 Marshfield
C-
58.2
1
54451 Medford
C+
68.4
1
54452 Merrill
C-
55.1
1
54455 Kronenwetter
B+
81
2
54456 Neillsville
C+
68.7
1
54457 Nekoosa
A-
86.8
1
54460 Owen
C-
59.2
1
54466 Pittsville
A-
87
1
54467 Plover
B+
80.6
1
54469 Port Edwards
A-
88.7
1
54470 Rib Lake
B+
81.3
1
54474 Rothschild
B+
83
1
54476 Weston
B+
83
3
54479 Spencer
B+
82.4
1
54480 Stetsonville
C+
65.7
1
54481 Stevens Point
C+
69.7
1
54482 Stevens Point
C+
69.7
1
54484 Stratford
B+
83.9
1
54486 Tigerton
B
79.3
1
54487 Tomahawk
B
76.8
1
54492 Plover
B+
80.6
1
54494 Wisconsin Rapids
B-
70.7
2
54495 Wisconsin Rapids
B-
70.7
1
54498 Owen
C-
59.2
2
54499 Wittenberg
A+
96.8
1
54501 Rhinelander
B
75.4
1
54520 Crandon
D+
50
1
54521 Eagle River
B-
73.6
1
54525 Montreal
B-
74.7
1
54527 Glidden
B+
83.2
1
54534 Hurley
B+
80.5
1
54538 Lac Du Flambeau
A
90
1
54541 Laona
D+
53.4
1
54546 Mellen
A
91.7
1
54547 Mercer
A
92.6
1
54548 Minocqua
C-
59.1
1
54550 Montreal
B-
74.7
1
54552 Park Falls
A-
85.8
1
54554 Phelps
A-
89.4
1
54555 Phillips
B
77.3
1
54556 Prentice
B
76.1
1
54562 Three Lakes
D+
54.2
1
54566 Wabeno
A
94.2
1
54601 La Crosse
F
31.1
1
54602 La Crosse
F
31.1
1
54603 La Crosse
F
31.1
1
54610 Alma
A-
85.1
1
54612 Arcadia
A+
95.6
2
54614 Bangor
A-
87.7
2
54615 Black River Falls
D+
50.3
1
54616 Blair
A-
85.7
1
54618 Camp Douglas
B
76.3
1
54619 Cashton
A
91.6
1
54623 Coon Valley
B+
81.8
1
54627 Ettrick
A-
89.1
1
54630 Galesville
C
63.6
1
54634 Hillsboro
C+
66
1
54636 Holmen
B-
70
1
54639 La Farge
A
91.3
1
54642 Melrose
A
91.8
1
54646 Necedah
B+
81.6
1
54648 Norwalk
A
94.3
1
54650 Onalaska
A-
86.3
1
54651 Ontario
B+
84.3
1
54653 Rockland
A-
86.9
1
54655 Soldiers Grove
A
90.7
1
54656 Sparta
B
79.4
1
54658 Stoddard
B+
81.8
1
54659 Blair
A-
85.7
1
54660 Tomah
B+
80.4
1
54661 Trempealeau
A
90.7
1
54664 Viola
B+
84.2
1
54665 Viroqua
A-
89.3
1
54666 Warrens
A-
89.1
1
54667 Westby
B
78.5
1
54669 West Salem
B+
83.1
1
54701 Eau Claire
D+
53
2
54702 Eau Claire
D+
53
1
54703 Eau Claire
D+
53
1
54720 Altoona
C+
67.9
1
54722 Augusta
D+
52
1
54723 Bay City
A-
88
1
54724 Bloomer
B+
82.1
1
54725 Boyceville
A-
87.3
1
54726 Boyd
A
90.1
1
54727 Cadott
A
94.5
1
54728 Chetek
C+
68.8
1
54729 Chippewa Falls
D+
50.5
1
54730 Colfax
B
76.6
1
54732 Cornell
A
91.7
1
54736 Durand
A
91.5
1
54738 Eleva
D
48
1
54739 Elk Mound
B+
81.2
1
54740 Elmwood
B+
83.6
1
54742 Fall Creek
B
76.5
1
54747 Independence
A
92.6
1
54751 Menomonie
F
41.6
1
54754 Merrillan
B+
80.8
1
54755 Mondovi
B+
81
1
54756 Alma
A-
85.1
1
54757 New Auburn
A
92.3
1
54758 Osseo
A
90.4
1
54759 Pepin
D
46.1
1
54767 Spring Valley
A-
85.7
1
54768 Stanley
A
91.8
1
54770 Strum
B+
82.1
1
54771 Thorp
D+
54.2
1
54773 Whitehall
B
79
3
54774 Chippewa Falls
D+
50.5
1
54801 Spooner
B
76.8
1
54805 Almena
A
93
1
54806 Ashland
D+
51.9
1
54810 Balsam Lake
A
90.6
1
54812 Barron
B+
83.1
1
54814 Bayfield
C
60.3
1
54819 Bruce
A
90.4
1
54822 Rice Lake
F
42.2
2
54824 Centuria
A-
87.4
1
54829 Cumberland
A
90.7
1
54837 Frederic
A-
89
1
54840 Grantsburg
B+
81.1
1
54843 Hayward
F
43.4
1
54847 Iron River
C+
69.2
1
54848 Ladysmith
D
49.8
1
54853 Luck
A-
85.8
1
54858 Milltown
A
90.4
1
54859 Minong
A
91.2
1
54861 Odanah
D+
50
1
54868 Rice Lake
F
42.2
1
54871 Shell Lake
B+
80.3
1
54872 Siren
A
93.4
1
54874 Superior
F
44.5
1
54880 Superior
F
44.5
1
54889 Turtle Lake
A+
95.1
1
54891 Washburn
B
77.5
1
54893 Webster
B+
83.2
1
54901 Oshkosh
A
94
1
54902 Oshkosh
A
94
1
54903 Oshkosh
A
94
1
54904 Oshkosh
A
94
1
54906 Oshkosh
A
94
1
54911 Appleton
B+
81.2
2
54912 Appleton
B+
81.2
1
54913 Appleton
B+
81.2
2
54914 Appleton
B+
81.2
2
54915 Appleton
B+
81.2
1
54919 Appleton
B+
81.2
1
54923 Berlin
A
94.2
1
54929 Clintonville
B
78.4
1
54935 Fond Du Lac
F
38.5
1
54936 Fond Du Lac
F
38.5
1
54937 Fond Du Lac
F
38.5
2
54941 Green Lake
B-
74.5
1
54942 Greenville
A
90.8
1
54944 Hortonville
B+
81.8
1
54945 Iola
B+
84.2
1
54946 King
B+
83.4
1
54949 Manawa
B
78
1
54950 Marion
A+
96.9
1
54952 Menasha
B+
83
1
54956 Neenah
C+
69.8
1
54957 Neenah
C+
69.8
1
54961 New London
D+
54
1
54963 Omro
A-
88.2
1
54966 Plainfield
A
94
1
54968 Princeton
B+
81.1
1
54970 Redgranite
A-
85.5
1
54971 Ripon
B+
84.4
1
54981 Waupaca
B-
74.3
2
54982 Wautoma
A
92
1
54983 Weyauwega
C-
58.5
1
54985 Oshkosh
A
94
1
54986 Winneconne
C
63.2
1