All Cities in Montana
236 of 236 cities · EPA water quality data
DENTON
255 served · 240 violations · 1 water system
F
LEWISTOWN
6,078 served · 122 violations · 4 water systems
F
WHITEHALL
1,500 served · 97 violations · 1 water system
F
HARLEM
862 served · 96 violations · 2 water systems
F
ASHLAND
1,050 served · 69 violations · 2 water systems
F
PHILIPSBURG
1,360 served · 66 violations · 1 water system
F
HELENA
39,636 served · 55 violations · 39 water systems
F
BALLANTINE
875 served · 46 violations · 2 water systems
F
BILLINGS
139,747 served · 44 violations · 37 water systems
F
MISSOULA
79,904 served · 43 violations · 75 water systems
F
MILES CITY
10,388 served · 41 violations · 5 water systems
F
TURNER
50 served · 36 violations · 1 water system
F
SIDNEY
5,130 served · 32 violations · 3 water systems
F
HYSHAM
262 served · 30 violations · 1 water system
F
EAST HELENA
6,797 served · 27 violations · 18 water systems
F
KALISPELL
40,123 served · 22 violations · 71 water systems
F
CHESTER
1,502 served · 20 violations · 6 water systems
F
GLENDIVE
6,803 served · 17 violations · 5 water systems
F
VIRGINIA CITY
1,500 served · 15 violations · 1 water system
F
BRADY
894 served · 15 violations · 2 water systems
F
WOLF CREEK
67 served · 14 violations · 1 water system
F
CHINOOK
1,400 served · 13 violations · 2 water systems
F
HAVRE
10,263 served · 12 violations · 5 water systems
F
WEST YELLOWSTONE
10,239 served · 12 violations · 4 water systems
F
RYEGATE
370 served · 12 violations · 2 water systems
F
LIBBY
5,568 served · 11 violations · 9 water systems
F
BLACK EAGLE
1,658 served · 9 violations · 2 water systems
D
KODAK
300 served · 9 violations · 2 water systems
D
SUNBURST
973 served · 8 violations · 4 water systems
D
FROMBERG
498 served · 8 violations · 1 water system
D
DILLON
5,245 served · 7 violations · 7 water systems
D
COLSTRIP
2,350 served · 7 violations · 1 water system
D
PABLO
2,175 served · 7 violations · 1 water system
D
GREAT FALLS
65,624 served · 6 violations · 18 water systems
D
WILSALL
250 served · 6 violations · 1 water system
D
DODSON
120 served · 6 violations · 1 water system
D
HERMOSA BEACH
89 served · 6 violations · 2 water systems
D
BISMARCK
30 served · 6 violations · 1 water system
D
BOZEMAN
66,733 served · 5 violations · 28 water systems
C
RENTON
90 served · 5 violations · 1 water system
C
LAUREL
6,799 served · 4 violations · 5 water systems
C
RONAN
3,081 served · 4 violations · 4 water systems
C
BOULDER
1,400 served · 4 violations · 1 water system
C
SAND COULEE
510 served · 4 violations · 3 water systems
C
DUTTON
338 served · 4 violations · 1 water system
C
OPHEIM
111 served · 4 violations · 1 water system
C
BELGRADE
17,150 served · 3 violations · 12 water systems
C
EUREKA
2,595 served · 3 violations · 5 water systems
C
DARBY
1,125 served · 3 violations · 2 water systems
C
ALBERTON
613 served · 3 violations · 2 water systems
C
WIBUAX
550 served · 3 violations · 1 water system
C
BEND
499 served · 3 violations · 1 water system
C
HIGHWOOD
360 served · 3 violations · 2 water systems
C
GERALDINE
360 served · 3 violations · 3 water systems
C
WINIFRED
274 served · 3 violations · 1 water system
C
BASIN
200 served · 3 violations · 1 water system
C
SWEET GRASS
200 served · 3 violations · 2 water systems
C
DRUMMOND
25 served · 3 violations · 1 water system
C
HINSDALE
250 served · 2 violations · 1 water system
B
CARTER
228 served · 2 violations · 2 water systems
B
BUTTE
33,090 served · 0 violations · 2 water systems
A
WHITEFISH
14,046 served · 0 violations · 7 water systems
A
ANACONDA
9,080 served · 0 violations · 4 water systems
A
MALMSTROM AIR FORCE BASE
8,850 served · 0 violations · 1 water system
A
COLUMBIA FALLS
8,805 served · 0 violations · 27 water systems
A
BIGFORK
7,983 served · 0 violations · 16 water systems
A
LIVINGSTON
7,850 served · 0 violations · 5 water systems
A
HAMILTON
6,458 served · 0 violations · 10 water systems
A
POLSON
6,390 served · 0 violations · 10 water systems
A
BIG SKY
5,574 served · 0 violations · 12 water systems
A
DEER LODGE
5,000 served · 0 violations · 2 water systems
A
CUT BANK
4,336 served · 0 violations · 9 water systems
A
SHELBY
4,120 served · 0 violations · 3 water systems
A
GLASGOW
3,883 served · 0 violations · 3 water systems
A
CULBERTSON
3,719 served · 0 violations · 2 water systems
A
LOLO
3,710 served · 0 violations · 5 water systems
A
HARDIN
3,550 served · 0 violations · 2 water systems
A
ROUNDUP
3,075 served · 0 violations · 3 water systems
A
CONRAD
2,722 served · 0 violations · 3 water systems
A
STEVENSVILLE
2,533 served · 0 violations · 7 water systems
A
TROY
2,458 served · 0 violations · 3 water systems
A
OREM
2,417 served · 0 violations · 4 water systems
A
MANHATTAN
2,388 served · 0 violations · 7 water systems
A
FORSYTH
2,260 served · 0 violations · 1 water system
A
RED LODGE
2,236 served · 0 violations · 3 water systems
A
THOMPSON FALLS
2,230 served · 0 violations · 3 water systems
A
TOWNSEND
2,225 served · 0 violations · 3 water systems
A
BAKER
2,055 served · 0 violations · 3 water systems
A
COLUMBUS
2,025 served · 0 violations · 4 water systems
A
LAKESIDE
1,987 served · 0 violations · 7 water systems
A
CHOTEAU
1,935 served · 0 violations · 3 water systems
A
THREE FORKS
1,900 served · 0 violations · 1 water system
A
MALTA
1,847 served · 0 violations · 2 water systems
A
HINGHAM
1,720 served · 0 violations · 1 water system
A
BIG TIMBER
1,710 served · 0 violations · 2 water systems
A
PLAINS
1,700 served · 0 violations · 1 water system
A
PLENTYWOOD
1,700 served · 0 violations · 1 water system
A
LINCOLN
1,630 served · 0 violations · 4 water systems
A
WEST GLACIER
1,620 served · 0 violations · 3 water systems
A
ENNIS
1,595 served · 0 violations · 2 water systems
A
FORT BENTON
1,580 served · 0 violations · 2 water systems
A
SEELEY LAKE
1,575 served · 0 violations · 1 water system
A
CLANCY
1,470 served · 0 violations · 9 water systems
A
FORT HARRISON
1,275 served · 0 violations · 1 water system
A
HARLOWTON
1,246 served · 0 violations · 3 water systems
A
GARDINER
1,220 served · 0 violations · 5 water systems
A
HUNGRY HORSE
1,135 served · 0 violations · 1 water system
A
SUPERIOR
1,100 served · 0 violations · 1 water system
A
ABSAROKEE
1,100 served · 0 violations · 1 water system
A
WHITE SULPHUR SPRINGS
1,087 served · 0 violations · 2 water systems
A
SOMERS
1,035 served · 0 violations · 2 water systems
A
SCOBEY
1,026 served · 0 violations · 1 water system
A
CIRCLE
1,009 served · 0 violations · 2 water systems
A
FAIRVIEW
1,000 served · 0 violations · 1 water system
A
DALLAS
983 served · 0 violations · 4 water systems
A
VALIER
804 served · 0 violations · 4 water systems
A
BRIDGER
800 served · 0 violations · 2 water systems
A
PINESDALE
800 served · 0 violations · 1 water system
A
ST IGNATIUS
765 served · 0 violations · 2 water systems
A
POWER
764 served · 0 violations · 3 water systems
A
BELT
745 served · 0 violations · 3 water systems
A
WARM SPRINGS
721 served · 0 violations · 1 water system
A
GALLATIN GATEWAY
720 served · 0 violations · 2 water systems
A
CASCADE
720 served · 0 violations · 2 water systems
A
FAIRFIELD
718 served · 0 violations · 1 water system
A
HUNTLEY
705 served · 0 violations · 2 water systems
A
FT. PECK
663 served · 0 violations · 1 water system
A
JOLIET
645 served · 0 violations · 2 water systems
A
SHERIDAN
632 served · 0 violations · 1 water system
A
BIG SANDY
608 served · 0 violations · 1 water system
A
HOT SPRINGS
600 served · 0 violations · 1 water system
A
MEDICINE LAKE
600 served · 0 violations · 1 water system
A
VAUGHN
585 served · 0 violations · 1 water system
A
FORT SHAW
525 served · 0 violations · 1 water system
A
STANFORD
505 served · 0 violations · 2 water systems
A
VANCOUVER
490 served · 0 violations · 1 water system
A
LODGE GRASS
480 served · 0 violations · 1 water system
A
CHARLO
450 served · 0 violations · 1 water system
A
FROID
450 served · 0 violations · 1 water system
A
WORDEN
450 served · 0 violations · 1 water system
A
CORAM
450 served · 0 violations · 1 water system
A
BROADUS
450 served · 0 violations · 1 water system
A
COEUR D'ALENE
438 served · 0 violations · 2 water systems
A
TWIN BRIDGES
424 served · 0 violations · 1 water system
A
EKALAKA
400 served · 0 violations · 1 water system
A
NOXON
373 served · 0 violations · 2 water systems
A
FRENCHTOWN
368 served · 0 violations · 3 water systems
A
JORDAN
364 served · 0 violations · 1 water system
A
PORT ORCHARD
355 served · 0 violations · 3 water systems
A
TROUT CREEK
350 served · 0 violations · 1 water system
A
BAINVILLE
350 served · 0 violations · 1 water system
A
MARTIN CITY
340 served · 0 violations · 1 water system
A
GALATA
325 served · 0 violations · 2 water systems
A
BROADVIEW
314 served · 0 violations · 2 water systems
A
STOCKETT
310 served · 0 violations · 2 water systems
A
CLYDE PARK
300 served · 0 violations · 1 water system
A
ROBERTS
300 served · 0 violations · 1 water system
A
COOKE CITY
300 served · 0 violations · 1 water system
A
NASHUA
300 served · 0 violations · 1 water system
A
KEVIN
290 served · 0 violations · 1 water system
A
LIMA
279 served · 0 violations · 1 water system
A
EAGLE
260 served · 0 violations · 1 water system
A
HAILEY
250 served · 0 violations · 1 water system
A
FORT PECK
240 served · 0 violations · 1 water system
A
NEIHART
229 served · 0 violations · 1 water system
A
MARTINSDALE
225 served · 0 violations · 2 water systems
A
ZORTMAN
219 served · 0 violations · 2 water systems
A
HOUSTON
216 served · 0 violations · 1 water system
A
BELFRY
205 served · 0 violations · 1 water system
A
LOMA
200 served · 0 violations · 1 water system
A
KNOXVILLE
200 served · 0 violations · 1 water system
A
PARADISE
200 served · 0 violations · 1 water system
A
SAN DIEGO
200 served · 0 violations · 1 water system
A
WINNETT
187 served · 0 violations · 1 water system
A
MOORE
186 served · 0 violations · 1 water system
A
RICHEY
180 served · 0 violations · 1 water system
A
SACO
180 served · 0 violations · 1 water system
A
EMIGRANT
180 served · 0 violations · 1 water system
A
HUSON
175 served · 0 violations · 1 water system
A
WESTBY
172 served · 0 violations · 1 water system
A
MELSTONE
170 served · 0 violations · 1 water system
A
REXFORD
160 served · 0 violations · 1 water system
A
GRASS RANGE
160 served · 0 violations · 2 water systems
A
HERON
154 served · 0 violations · 2 water systems
A
MELVILLE
150 served · 0 violations · 1 water system
A
LAMBERT
150 served · 0 violations · 1 water system
A
GILDFORD
150 served · 0 violations · 2 water systems
A
PLEVNA
130 served · 0 violations · 1 water system
A
JUDITH GAP
126 served · 0 violations · 1 water system
A
GEYSER
125 served · 0 violations · 1 water system
A
HOBSON
125 served · 0 violations · 1 water system
A
YELLOWTAIL
125 served · 0 violations · 1 water system
A
THOIMPSON FALLS
115 served · 0 violations · 1 water system
A
CORVALLIS
115 served · 0 violations · 1 water system
A
ROY
110 served · 0 violations · 1 water system
A
FORTINE
109 served · 0 violations · 2 water systems
A
ULM
105 served · 0 violations · 1 water system
A
SUN RIVER
105 served · 0 violations · 1 water system
A
BYNUM
100 served · 0 violations · 1 water system
A
RAMSAY
97 served · 0 violations · 1 water system
A
OUTLOOK
96 served · 0 violations · 1 water system
A
LEDGER
95 served · 0 violations · 1 water system
A
PENDROY
92 served · 0 violations · 1 water system
A
CORPUS CHRISTI
87 served · 0 violations · 1 water system
A
HIGHLANDS RANCH
85 served · 0 violations · 1 water system
A
AUGUSTA
84 served · 0 violations · 1 water system
A
ST GEORGE
82 served · 0 violations · 1 water system
A
FLAXVILLE
82 served · 0 violations · 1 water system
A
MANHATTAN MT
80 served · 0 violations · 1 water system
A
ALDER
75 served · 0 violations · 1 water system
A
MUSSELSHELL
75 served · 0 violations · 1 water system
A
RUDYARD
75 served · 0 violations · 1 water system
A
RAPELJE
70 served · 0 violations · 1 water system
A
HAUGAN
70 served · 0 violations · 1 water system
A
ETHRIDGE
70 served · 0 violations · 1 water system
A
FLORENCE
65 served · 0 violations · 1 water system
A
EL DORADO HILLS
60 served · 0 violations · 1 water system
A
LOGAN
60 served · 0 violations · 1 water system
A
ANTELOPE
59 served · 0 violations · 1 water system
A
JACKSON
58 served · 0 violations · 1 water system
A
ROLLINS
56 served · 0 violations · 1 water system
A
PORT ANGELES
55 served · 0 violations · 1 water system
A
BUENA PARK
55 served · 0 violations · 1 water system
A
CAMPBELL
54 served · 0 violations · 1 water system
A
GREYCLIFF
50 served · 0 violations · 1 water system
A
TWO DOT
50 served · 0 violations · 1 water system
A
MERIDIAN
50 served · 0 violations · 1 water system
A
E HELENA
50 served · 0 violations · 1 water system
A
ST REGIS
45 served · 0 violations · 1 water system
A
BATTLE GROUND
45 served · 0 violations · 1 water system
A
LORING
45 served · 0 violations · 1 water system
A
BONNER
43 served · 0 violations · 1 water system
A
PRAY
33 served · 0 violations · 1 water system
A
POTOMAC
25 served · 0 violations · 1 water system
A
WILMINGTON
25 served · 0 violations · 1 water system
A
SHEPHERD
25 served · 0 violations · 1 water system
A