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Grade A Cities in Colorado

171 of 331 cities · EPA water quality data

ARVADA
173,420 served · 0 violations · 3 water systems
A
GRAND JUNCTION
119,101 served · 0 violations · 5 water systems
A
LONGMONT
106,066 served · 0 violations · 2 water systems
A
HIGHLANDS RANCH
104,642 served · 0 violations · 3 water systems
A
PARKER
104,375 served · 0 violations · 4 water systems
A
COMMERCE CITY
75,559 served · 0 violations · 1 water system
A
GOLDEN
53,471 served · 0 violations · 6 water systems
A
VAIL
51,515 served · 0 violations · 1 water system
A
NORTHGLENN
48,927 served · 0 violations · 1 water system
A
FORT CARSON
48,000 served · 0 violations · 1 water system
A
BERTHOUD
40,361 served · 0 violations · 5 water systems
A
ERIE
40,102 served · 0 violations · 2 water systems
A
CANON CITY
38,878 served · 0 violations · 3 water systems
A
CLIFTON
35,300 served · 0 violations · 2 water systems
A
ASPEN
32,562 served · 0 violations · 9 water systems
A
FIRESTONE
28,239 served · 0 violations · 3 water systems
A
EVANS
20,610 served · 0 violations · 3 water systems
A
NIWOT
20,280 served · 0 violations · 1 water system
A
FORT MORGAN
20,116 served · 0 violations · 2 water systems
A
FALCON
18,927 served · 0 violations · 3 water systems
A
USAF ACADEMY
16,876 served · 0 violations · 1 water system
A
LUCERNE
15,890 served · 0 violations · 1 water system
A
DOLORES
15,423 served · 0 violations · 2 water systems
A
STERLING
15,323 served · 0 violations · 3 water systems
A
GYPSUM
15,272 served · 0 violations · 1 water system
A
BLACK HAWK
15,167 served · 0 violations · 1 water system
A
PEYTON
13,616 served · 0 violations · 3 water systems
A
CASTLE PINES
12,800 served · 0 violations · 1 water system
A
ALAMOSA
12,758 served · 0 violations · 3 water systems
A
SILVERTHORNE
11,778 served · 0 violations · 6 water systems
A
SEVERANCE
11,733 served · 0 violations · 1 water system
A
FEDERAL HEIGHTS
11,678 served · 0 violations · 1 water system
A
GUNNISON
10,754 served · 0 violations · 4 water systems
A
IDAHO SPRINGS
10,432 served · 0 violations · 1 water system
A
MORRISON
9,887 served · 0 violations · 1 water system
A
REDVALE
9,825 served · 0 violations · 2 water systems
A
MILLIKEN
9,200 served · 0 violations · 1 water system
A
DILLON
9,018 served · 0 violations · 4 water systems
A
CRAIG
8,960 served · 0 violations · 2 water systems
A
DELTA
8,700 served · 0 violations · 1 water system
A
LEADVILLE
7,870 served · 0 violations · 3 water systems
A
EAGLE
7,641 served · 0 violations · 2 water systems
A
BUENA VISTA
6,581 served · 0 violations · 8 water systems
A
LOCHBUIE
6,518 served · 0 violations · 1 water system
A
NEW CASTLE
6,465 served · 0 violations · 4 water systems
A
LIMON
6,369 served · 0 violations · 2 water systems
A
COPPER MOUNTAIN
5,785 served · 0 violations · 1 water system
A
FRASER
5,475 served · 0 violations · 3 water systems
A
HILLROSE
5,432 served · 0 violations · 2 water systems
A
GEORGETOWN
5,315 served · 0 violations · 1 water system
A
EDGEWATER
5,300 served · 0 violations · 1 water system
A
ELIZABETH
5,202 served · 0 violations · 4 water systems
A
GRANBY
5,003 served · 0 violations · 5 water systems
A
KEENESBURG
4,936 served · 0 violations · 2 water systems
A
GLENDALE
4,689 served · 0 violations · 3 water systems
A
BENNETT
4,400 served · 0 violations · 1 water system
A
AULT
4,220 served · 0 violations · 1 water system
A
YUMA
4,049 served · 0 violations · 1 water system
A
HAYDEN
4,009 served · 0 violations · 2 water systems
A
LA PORTE
4,000 served · 0 violations · 1 water system
A
CENTRAL CITY
3,750 served · 0 violations · 1 water system
A
BURLINGTON
3,720 served · 0 violations · 1 water system
A
WATKINS
3,702 served · 0 violations · 3 water systems
A
MOUNT CRESTED BUTTE
3,546 served · 0 violations · 2 water systems
A
CRIPPLE CREEK
3,491 served · 0 violations · 2 water systems
A
GRAND LAKE
3,371 served · 0 violations · 5 water systems
A
PENROSE
3,149 served · 0 violations · 1 water system
A
AUSTIN
3,100 served · 0 violations · 1 water system
A
PALISADE
3,060 served · 0 violations · 1 water system
A
OLATHE
3,015 served · 0 violations · 1 water system
A
PLATTEVILLE
2,900 served · 0 violations · 1 water system
A
MANCOS
2,690 served · 0 violations · 2 water systems
A
HOLYOKE
2,672 served · 0 violations · 2 water systems
A
CENTER
2,575 served · 0 violations · 1 water system
A
RANGELY
2,495 served · 0 violations · 1 water system
A
NEDERLAND
2,406 served · 0 violations · 1 water system
A
SILVERTON
2,387 served · 0 violations · 1 water system
A
LOS ANGELES
2,379 served · 0 violations · 3 water systems
A
WRAY
2,342 served · 0 violations · 1 water system
A
ORDWAY
2,303 served · 0 violations · 5 water systems
A
FLAGLER
2,160 served · 0 violations · 1 water system
A
KERSEY
2,101 served · 0 violations · 1 water system
A
LASALLE
2,010 served · 0 violations · 1 water system
A
WESTCLIFFE
1,994 served · 0 violations · 2 water systems
A
CREEDE
1,965 served · 0 violations · 1 water system
A
NORWOOD
1,700 served · 0 violations · 1 water system
A
DEER TRAIL
1,648 served · 0 violations · 1 water system
A
FARMINGTON
1,500 served · 0 violations · 1 water system
A
DEL NORTE
1,429 served · 0 violations · 1 water system
A
PARACHUTE
1,320 served · 0 violations · 1 water system
A
INDIAN HILLS
1,300 served · 0 violations · 1 water system
A
MINTURN
1,200 served · 0 violations · 1 water system
A
ANTONITO
1,171 served · 0 violations · 2 water systems
A
SOUTH FORK
1,152 served · 0 violations · 4 water systems
A
GILCREST
1,150 served · 0 violations · 1 water system
A
PIERCE
1,094 served · 0 violations · 1 water system
A
LOG LANE VILLAGE
1,006 served · 0 violations · 1 water system
A
BYERS
1,000 served · 0 violations · 1 water system
A
BOISE
999 served · 0 violations · 5 water systems
A
MANASSA
976 served · 0 violations · 1 water system
A
HAXTUN
963 served · 0 violations · 1 water system
A
KIOWA
910 served · 0 violations · 1 water system
A
SANFORD
850 served · 0 violations · 1 water system
A
CHEYENNE WELLS
840 served · 0 violations · 1 water system
A
LA JARA
825 served · 0 violations · 1 water system
A
YORK
789 served · 0 violations · 5 water systems
A
WILLIAMSBURG
775 served · 0 violations · 1 water system
A
HOT SULPHUR SPRINGS
687 served · 0 violations · 1 water system
A
WALDEN
683 served · 0 violations · 2 water systems
A
COLLBRAN
678 served · 0 violations · 1 water system
A
BLOOMFIELD HILLS
666 served · 0 violations · 2 water systems
A
EADS
656 served · 0 violations · 1 water system
A
LAKE CITY
654 served · 0 violations · 2 water systems
A
NATHROP
638 served · 0 violations · 4 water systems
A
SIMLA
618 served · 0 violations · 1 water system
A
TABERNASH
564 served · 0 violations · 1 water system
A
WOODY CREEK
544 served · 0 violations · 2 water systems
A
CLARK
511 served · 0 violations · 2 water systems
A
ROCKVALE
504 served · 0 violations · 1 water system
A
SAGUACHE
504 served · 0 violations · 1 water system
A
EMPIRE
500 served · 0 violations · 1 water system
A
NUNN
499 served · 0 violations · 1 water system
A
FT GARLAND
477 served · 0 violations · 1 water system
A
BLANCA
469 served · 0 violations · 1 water system
A
RED CLIFF
469 served · 0 violations · 1 water system
A
ALMA
460 served · 0 violations · 1 water system
A
AGUILAR
447 served · 0 violations · 1 water system
A
BROOKSIDE
438 served · 0 violations · 1 water system
A
RICO
437 served · 0 violations · 1 water system
A
ALLENSPARK
416 served · 0 violations · 2 water systems
A
OLNEY SPRINGS
399 served · 0 violations · 1 water system
A
LIVERMORE
395 served · 0 violations · 1 water system
A
LOS ALTOS
379 served · 0 violations · 2 water systems
A
GATEWAY
370 served · 0 violations · 1 water system
A
HENDERSON
351 served · 0 violations · 2 water systems
A
COAL CREEK
350 served · 0 violations · 1 water system
A
MESA
330 served · 0 violations · 1 water system
A
ILIFF
328 served · 0 violations · 1 water system
A
BRIGGSDALE
303 served · 0 violations · 1 water system
A
ELBERT
300 served · 0 violations · 1 water system
A
SEIBERT
296 served · 0 violations · 1 water system
A
JAMESTOWN
280 served · 0 violations · 1 water system
A
REDSTONE
275 served · 0 violations · 2 water systems
A
WOLCOTT
257 served · 0 violations · 1 water system
A
SUGAR CITY
240 served · 0 violations · 1 water system
A
WELDONA
235 served · 0 violations · 1 water system
A
WARD
230 served · 0 violations · 1 water system
A
IRVINE
229 served · 0 violations · 1 water system
A
SEDGWICK
227 served · 0 violations · 1 water system
A
EASTLAKE
200 served · 0 violations · 1 water system
A
NORTHBROOK
200 served · 0 violations · 1 water system
A
BETHUNE
195 served · 0 violations · 1 water system
A
CROOK
182 served · 0 violations · 1 water system
A
CAMPO
150 served · 0 violations · 1 water system
A
STOCKTON
150 served · 0 violations · 1 water system
A
VILAS
137 served · 0 violations · 1 water system
A
BRANSON
131 served · 0 violations · 1 water system
A
COKEDALE
120 served · 0 violations · 1 water system
A
GILBERT
117 served · 0 violations · 1 water system
A
KIM
116 served · 0 violations · 1 water system
A
DETROIT LAKES
107 served · 0 violations · 1 water system
A
KARVAL
102 served · 0 violations · 1 water system
A
ARAPAHOE
99 served · 0 violations · 1 water system
A
NEW RAYMER
73 served · 0 violations · 1 water system
A
ST LOUIS
70 served · 0 violations · 1 water system
A
STEAMBOAT
68 served · 0 violations · 1 water system
A
DUMONT
67 served · 0 violations · 1 water system
A
VANCOUVER
60 served · 0 violations · 1 water system
A
SEMINOLE
60 served · 0 violations · 1 water system
A
CHROMO
49 served · 0 violations · 1 water system
A
WETMORE
38 served · 0 violations · 1 water system
A

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