Water Quality in Wyoming
EPA violation data for public water systems across Wyoming.
198
ZIP Codes
3,030
Total Violations
59 (30%)
ZIPs with 0 Violations
15.3
Avg per ZIP
National avg: 18.87 violations per ZIP.
Wyoming is 19% below average.
Violation Map
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0
1-5
6-15
16+
EPA violations (5yr)
Most Affected Areas in Wyoming
All ZIP Codes in Wyoming (198)
83001 Jackson
451 82718 Gillette
240 83002 Jackson
198 82633 Douglas
175 83014 Jackson
123 82801 Sheridan
90 82190 Jackson
71 83101 Kemmerer
62 83122 Grover
59 82225 Lusk
57 82240 Torrington
57 82513 Dubois
57 82935 Rock Springs
49 83110 Afton
48 82301 Rock Springs
47 82414 Cody
41 83115 Daniel
39 82701 Gillette
38 82523 Pavillion
36 82601 Casper
36 82604 Casper
36 82001 Cheyenne
35 82842 Sheridan
34 83013 Jackson
33 83127 Alpine
32 82222 Lance Creek
31 82443 Thermopolis
29 82636 Casper
29 82050 Cheyenne
28 82070 Laramie
26 82520 Lander
25 82834 Buffalo
25 82053 Cheyenne
24 82323 Dixon
24 82331 Saratoga
24 82214 Guernsey
23 82901 Rock Springs
23 82321 Baggs
22 82836 Sheridan
21 83114 Cokeville
20 82710 Aladdin
17 82644 Casper
16 82717 Gillette
16 82923 Boulder
16 82945 Rock Springs
16 82201 Laramie
15 82714 Devils Tower
15 82435 Cody
14 82003 Cheyenne
13 82310 Jeffrey City
12 82426 Greybull
11 82441 Shell
11 82930 Evanston
11 82942 Rock Springs
11 82501 Riverton
10 82514 Fort Washakie
9 82524 St Stevens
9 82009 Cheyenne
8 82324 Elk Mountain
8 82720 Hulett
8 83128 Alpine
8 82213 Glendo
7 82431 Lovell
7 82433 Cody
7 82716 Gillette
7 82934 Rock Springs
7 83113 Marbleton
7 62718 Gillette
6 82005 Cheyenne
6 82322 Rock Springs
6 82442 Worland
6 82620 Casper
6 82721 Moorcroft
6 82723 Osage
6 83012 Jackson
6 83126 Smoot
6 82055 Laramie
5 82423 Cody
5 82516 Kinnear
5 82932 Rock Springs
5 82941 Pinedale
5 82227 Manville
4 82410 Basin
4 82635 Casper
4 82637 Douglas
4 82727 Gillette
4 82732 Gillette
4 82939 Evanston
4 83011 Jackson
4 83118 Etna
4 82072 Laramie
3 82073 Laramie
3 82083 Laramie
3 82329 Laramie
3 82334 Sinclair
3 82420 Cowley
3 82421 Cody
3 82440 Cody
3 82450 Cody
3 82602 Casper
3 82609 Casper
3 82649 Shoshoni
3 82832 Sheridan
3 82902 Rock Springs
3 83025 Jackson
3 83123 La Barge
3 83414 Jackson
3 82007 Cheyenne
2 82210 Chugwater
2 82223 Lingle
2 82325 Encampment
2 82335 Walcott
2 82336 Rock Springs
2 82401 Worland
2 82639 Casper
2 82725 Gillette
2 82729 Sundance
2 82731 Gillette
2 82831 Gillette
2 82833 Sheridan
2 82835 Sheridan
2 82937 Evanston
2 83111 Auburn
2 83112 Bedford
2 83124 Opal
2 82006 Cheyenne
1 82051 Laramie
1 82052 Laramie
1 82058 Laramie
1 82084 Laramie
1 82212 Fort Laramie
1 82244 Yoder
1 82411 Burlington
1 82428 Hyattville
1 82430 Kirby
1 82512 Crowheart
1 82838 Sheridan
1 82922 Bondurant
1 82925 Jackson
1