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Wyoming ZIP Code Water Quality

73 ZIP codes with water quality data · State average grade: C+

ZIP Codes
73
Avg Grade
C+
A or B
48%
D or F
38%
Grade Distribution

How Wyoming ZIP codes scored

26%
22%
14%
12%
26%
A
19
26%
Excellent
B
16
22%
Good
C
10
14%
Fair
D
9
12%
Poor
F
19
26%
Failing
All ZIP Codes

All 73 ZIP codes in Wyoming

ZIP Code Primary City Grade Score Score Cities
82001 Cheyenne
F
 30.8
1
82002 Cheyenne
F
 30.8
1
82003 Cheyenne
F
 30.8
1
82007 Cheyenne
F
 30.8
1
82009 Cheyenne
F
 30.8
1
82053 Burns
B-
 73.3
1
82070 Laramie
C-
 55.2
1
82072 Laramie
C-
 55.2
1
82201 Wheatland
C+
 66.7
2
82214 Guernsey
A-
 88.8
1
82225 Lusk
C+
 69.9
1
82240 Torrington
F
 36.2
1
82301 Rawlins
C-
 56
1
82325 Encampment
B+
 80.2
1
82327 Hanna
A-
 89.4
1
82331 Saratoga
B
 77.3
1
82336 Wamsutter
A-
 87
1
82401 Worland
A-
 89.4
1
82410 Basin
B+
 84.3
1
82412 Byron
A-
 89.8
1
82414 Cody
B-
 72
1
82420 Cowley
A-
 86.5
1
82426 Greybull
B
 77
1
82431 Lovell
B
 76
1
82435 Powell
A
 93.6
1
82443 Thermopolis
D
 45.6
1
82501 Riverton
F
 38.7
1
82513 Dubois
C
 63.5
1
82514 Fort Washakie
F
 41.8
1
82520 Lander
B+
 84.2
2
82601 Casper
F
 41.8
2
82602 Casper
F
 41.8
1
82604 Casper
F
 41.8
2
82605 Casper
F
 41.8
1
82609 Casper
F
 41.8
1
82633 Douglas
C
 64.2
1
82637 Glenrock
A-
 88.8
1
82644 Mills
F
 41.8
1
82649 Shoshoni
A-
 88.1
1
82701 Newcastle
D
 47
1
82716 Gillette
F
 44.5
1
82718 Gillette
F
 44.5
1
82721 Moorcroft
B+
 80.9
1
82729 Sundance
A-
 87.7
1
82730 Upton
A
 90.5
1
82732 Wright
A+
 95
1
82801 Sheridan
F
 41.5
1
82834 Buffalo
B-
 73.2
1
82836 Dayton
A-
 88.9
1
82839 Ranchester
A
 90.2
1
82901 Rock Springs
C
 64.8
1
82902 Rock Springs
C
 64.8
1
82929 Little America
C+
 68.7
1
82930 Evanston
B+
 81.3
1
82932 Farson
B-
 72
1
82935 Green River
B
 77.5
1
82937 Lyman
A-
 87.9
1
82939 Mountain View
A-
 87.8
1
82941 Pinedale
B+
 80.6
1
83001 Jackson
F
 43.2
1
83002 Jackson
F
 43.2
1
83012 Moose
A-
 88.3
1
83014 Wilson
D
 48
1
83025 Teton Village
A
 93.4
1
83101 Kemmerer
D+
 50.8
1
83110 Afton
D+
 50
2
83112 Bedford
B-
 73.6
1
83113 Marbleton
D+
 52
1
83114 Cokeville
D+
 50
1
83116 Kemmerer
D+
 50.8
1
83126 Smoot
A-
 85.3
1
83127 Star Valley Ranch
B
 78.6
1
83128 Alpine
D+
 51.1
1
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