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Top 50 States with Water Violations

EPA health-based violations ranked by state. Last 5 years of data from the Safe Drinking Water Information System (SDWIS).

States Shown

50

Total Violations

134,129

States with Violations

50

Quick Views

States Ranked by Violations

27,615 health-based violations

27615

Worst Cities

DES PERES
1757 violations
F
LUBBOCK
931 violations
F
AUSTIN
806 violations
F
BRADY
712 violations
F
HOUSTON
689 violations
F

20,497 health-based violations

20497

Worst Cities

BARNSDALL
677 violations
F
HOMINY
641 violations
F
WEWOKA
525 violations
F
BOSWELL
505 violations
F
MAYSVILLE
418 violations
F

14,184 health-based violations

14184

Worst Cities

FARMERVILLE
605 violations
F
ZWOLLE
448 violations
F
MANY
418 violations
F
MARION
388 violations
F
WINNFIELD
387 violations
F

5,705 health-based violations

5705

Worst Cities

WILEY
654 violations
F
MANZANOLA
576 violations
F
ROCKY FORD
474 violations
F
LA JUNTA
401 violations
F
CHERAW
255 violations
F

5,353 health-based violations

5353

Worst Cities

SPRINGER
330 violations
F
ALBUQUERQUE
222 violations
F
LAS VEGAS
217 violations
F
CIMARRON
213 violations
F
LORDSBURG
156 violations
F

4,222 health-based violations

4222

Worst Cities

MORGANTOWN
123 violations
F
INDIANA
122 violations
F
CYCLONE
114 violations
F
PARKER
101 violations
F
PITTSBURGH
83 violations
F

3,697 health-based violations

3697

Worst Cities

SALINAS
305 violations
F
MADERA
160 violations
F
BAKERSFIELD
119 violations
F
LANCASTER
117 violations
F
WELDON
85 violations
F

3,563 health-based violations

3563

Worst Cities

DES PERES
485 violations
F
MARICOPA
226 violations
F
TUCSON
207 violations
F
YUMA
193 violations
F
PHOENIX
177 violations
F

2,737 health-based violations

2737

Worst Cities

DENVER
102 violations
F
OTTAWA
83 violations
F
DONNELLSON
82 violations
F
VERMONT
75 violations
F
PALMYRA
73 violations
F

2,708 health-based violations

2708

Worst Cities

BELOIT
163 violations
F
SYLVIA
129 violations
F
COPELAND
83 violations
F
FORD
76 violations
F
BELLE PLAINE
73 violations
F

2,322 health-based violations

2322

Worst Cities

CHARLOTTE
175 violations
F
CARY
88 violations
F
HAMLET
82 violations
F
BURGAW
81 violations
F
ABERDEEN
81 violations
F

2,285 health-based violations

2285

Worst Cities

WARDENSVILLE
139 violations
F
SOPHIA
135 violations
F
WELCH
122 violations
F
GARY
72 violations
F
ROCK
68 violations
F

2,284 health-based violations

2284

Worst Cities

HELENA
172 violations
F
COMPTON
130 violations
F
SILOAM SPRINGS
121 violations
F
MOUNT IDA
82 violations
F
HUMPHREY
76 violations
F

1,966 health-based violations

1966

Worst Cities

VALDOSTA
265 violations
F
HAHIRA
102 violations
F
SAVANNAH
100 violations
F
LYONS
66 violations
F
LEXINGTON
64 violations
F

1,953 health-based violations

1953

Worst Cities

BONNERS FERRY
209 violations
F
REXBURG
164 violations
F
AMMON
106 violations
F
CALDWELL
102 violations
F
COEUR D ALENE
77 violations
F

1,917 health-based violations

1917

Worst Cities

TATITLEK
157 violations
F
ANCHORAGE
145 violations
F
KWETHLUK
82 violations
F
SOLDOTNA
68 violations
F
GRAYLING
65 violations
F

1,810 health-based violations

1810

Worst Cities

WAUKESHA
421 violations
F
PEWAUKEE
143 violations
F
Wisconsin Dells
127 violations
F
WINNECONNE
48 violations
F
STEVENS POINT
35 violations
F
#18Ohio

1,749 health-based violations

1749

Worst Cities

DEFIANCE
180 violations
F
HAMLER
87 violations
F
WHITE COTTAGE
76 violations
F
HOLGATE
52 violations
F
WAUSEON
48 violations
F

1,748 health-based violations

1748

Worst Cities

DEFIANCE
95 violations
F
SILEX
80 violations
F
MOSBY
54 violations
F
SEDALIA
49 violations
F
MAYSVILLE
42 violations
F

1,723 health-based violations

1723

Worst Cities

COTTAGE GROVE
168 violations
F
BANDON
103 violations
F
SHADY COVE
96 violations
F
NEWBERG
91 violations
F
SANDY
89 violations
F

1,719 health-based violations

1719

Worst Cities

SMITHFIELD
235 violations
F
RESCUE
214 violations
F
LAWRENCEVILLE
109 violations
F
WOODSTOCK
85 violations
F
CARROLLTON
84 violations
F

1,517 health-based violations

1517

Worst Cities

SALEM
108 violations
F
BLOOMINGTON
74 violations
F
MONTEZUMA
67 violations
F
OOLITIC
64 violations
F
POSEYVILLE
60 violations
F

1,516 health-based violations

1516

Worst Cities

DENVER
131 violations
F
ROCKWALL
56 violations
F
NAHMA
55 violations
F
GRAND BLANC
49 violations
F
ADRIAN
42 violations
F

1,387 health-based violations

1387

Worst Cities

WATERTOWN
69 violations
F
AMSTERDAM
49 violations
F
HERKIMER
44 violations
F
VALHALLA
40 violations
F
COBLESKILL
34 violations
F

1,366 health-based violations

1366

Worst Cities

DENTON
240 violations
F
LEWISTOWN
122 violations
F
WHITEHALL
97 violations
F
HARLEM
96 violations
F
ASHLAND
69 violations
F

1,337 health-based violations

1337

Worst Cities

JACKSON
104 violations
F
TUTWILER
81 violations
F
CLARKSDALE
70 violations
F
FLORENCE
59 violations
F
EDWARDS
44 violations
F

1,332 health-based violations

1332

Worst Cities

GLEN
157 violations
F
BARTLETT
89 violations
F
CONCORD
74 violations
F
STRATHAM
58 violations
F
CONWAY
49 violations
F

1,278 health-based violations

1278

Worst Cities

Inver Grove Heights
158 violations
F
Gibbon
107 violations
F
Pelican Rapids
89 violations
F
Lancaster
69 violations
F
Fergus Falls
58 violations
F

1,256 health-based violations

1256

Worst Cities

PHILLIPS
106 violations
F
EDGAR
80 violations
F
BURR
79 violations
F
COLUMBUS
76 violations
F
ALLEN
76 violations
F

1,245 health-based violations

1245

Worst Cities

Bushnell
46 violations
F
LORIDA
46 violations
F
NEW PORT RICHEY
44 violations
F
BRANDON
44 violations
F
TALLAHASSEE
42 violations
F

1,173 health-based violations

1173

Worst Cities

BRIDGETON
91 violations
F
BUDD LAKE
59 violations
F
LAKE HOPATCONG
42 violations
F
PITTSGOVE
38 violations
F
WOODLAND PARK
36 violations
F

1,130 health-based violations

1130

Worst Cities

PROVIDENCE
130 violations
F
MORGANFIELD
69 violations
F
SMITHLAND
65 violations
F
MT STERLING
55 violations
F
BROWNSVILLE
51 violations
F

841 health-based violations

841

Worst Cities

AIKEN
67 violations
F
SUMMERVILLE
59 violations
F
CARLISLE
53 violations
F
CHERAW
52 violations
F
COLUMBIA
49 violations
F

795 health-based violations

795

Worst Cities

LAS VEGAS
321 violations
F
RENO
296 violations
F
MILL CITY
30 violations
F
FALLON
27 violations
F
SLOAN
26 violations
F
#35Iowa

757 health-based violations

757

Worst Cities

OXFORD
128 violations
F
MALLARD
109 violations
F
FORT DODGE
107 violations
F
MARENGO
64 violations
F
TIPTON
59 violations
F

705 health-based violations

705

Worst Cities

WATERVILLE
59 violations
F
MARS HILL
59 violations
F
SULLIVAN
43 violations
F
HANCOCK
42 violations
F
SCITUATE
41 violations
F
#37Utah

665 health-based violations

665

Worst Cities

APPLE VALLEY
68 violations
F
CEDAR CITY
55 violations
F
ELBERTA
54 violations
F
MIDWAY
42 violations
F
HUNTSVILLE
31 violations
F

636 health-based violations

636

Worst Cities

Coupeville
77 violations
F
Port Orchard
76 violations
F
Mt Vernon
49 violations
F
Friday Harbor
43 violations
F
Oak Harbor
32 violations
F

624 health-based violations

624

Worst Cities

MCMINNVILLE
90 violations
F
GAINESBORO
54 violations
F
CLIFTON
53 violations
F
SHELBYVILLE
37 violations
F
WOODLAWN
34 violations
F

570 health-based violations

570

Worst Cities

EAST HARTFORD
57 violations
F
DANBURY
47 violations
F
THOMPSON
33 violations
F
BLOOMFIELD
26 violations
F
TOLLAND
25 violations
F

475 health-based violations

475

Worst Cities

DICKINSON
58 violations
F
IDER
56 violations
F
GILBERTOWN
28 violations
F
HAMILTON
20 violations
F
SWEETWATER
20 violations
F

400 health-based violations

400

Worst Cities

WAITSFIELD
134 violations
F
VERNON
40 violations
F
KILLINGTON
30 violations
F
NEW CITY
23 violations
F
VICTORIA
12 violations
F

354 health-based violations

354

Worst Cities

DIXON
56 violations
F
TORRINGTON
31 violations
F
KEMMERER
29 violations
F
BAGGS
29 violations
F
LANCE CREEK
23 violations
F

278 health-based violations

278

Worst Cities

NORTH EAST
33 violations
F
PERRYVILLE
13 violations
F
WESTMINSTER
11 violations
F
ST MICHAELS
11 violations
F
LEONARDTOWN
9 violations
D

203 health-based violations

203

Worst Cities

BOX ELDER
25 violations
F
ABERDEEN
24 violations
F
BLACK HAWK
14 violations
F
RAPID CITY
13 violations
F
SPEARFISH
9 violations
D

200 health-based violations

200

Worst Cities

NARRAGANSETT
49 violations
F
FOSTER
17 violations
F
WARWICK
15 violations
F
WAKEFIELD
15 violations
F
PORTSMOUTH
15 violations
F

120 health-based violations

120

Worst Cities

WRENTHAM
14 violations
F
RUTLAND
8 violations
D
MONROE
6 violations
D
BILLERICA
5 violations
C
TEWKSBURY
4 violations
C

116 health-based violations

116

Worst Cities

MAXBASS
36 violations
F
MILNOR
9 violations
D
OBERON
8 violations
D
FLAXTON
8 violations
D
GOODRICH
7 violations
D

81 health-based violations

81

Worst Cities

REHOBOTH BEACH
25 violations
F
SMYRNA
12 violations
F
MILLSBORO
12 violations
F
GEORGETOWN
11 violations
F
SEAFORD
9 violations
D

15 health-based violations

15

Worst Cities

WASHINGTON
15 violations
F
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