Water Quality in Idaho
EPA violation data for public water systems across Idaho.
308
ZIP Codes
9,377
Total Violations
52 (17%)
ZIPs with 0 Violations
30.4
Avg per ZIP
National avg: 18.87 violations per ZIP.
Idaho is 61% above average.
Violation Map
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0
1-5
6-15
16+
EPA violations (5yr)
Most Affected Areas in Idaho
All ZIP Codes in Idaho (308)
83440 Rexburg
969 83624 Mountain Home
352 83647 Mountain Home
270 83263 Preston
248 83401 Idaho Falls
198 83221 Blackfoot
155 83702 Boise
149 83648 Mountain Home
141 83607 Nampa
138 83814 Coeur D Alene
138 83429 Island Park
136 83856 Priest River
135 83617 Emmett
130 83340 Ketchum
129 83467 Salmon
127 83540 Lewiston
125 83442 Idaho Falls
119 83701 Boise
118 83254 Montpelier
108 83301 Twin Falls
108 83402 Idaho Falls
108 83501 Lewiston
98 83687 Boise
97 83338 Jerome
96 83328 Twin Falls
95 83805 Bonners Ferry
94 83864 Sandpoint
90 83707 Boise
86 83318 Burley
84 83860 Sagle
81 83716 Boise
77 83350 Rupert
76 83428 Idaho Falls
76 83406 Idaho Falls
74 83404 Idaho Falls
73 83616 Boise
73 83405 Idaho Falls
72 83449 Idaho Falls
71 83816 Coeur D'Alene
71 83316 Twin Falls
69 83686 Nampa
69 83554 White Bird
67 83274 Idaho Falls
59 83443 Idaho Falls
59 83536 Kamiah
58 83204 Pocatello
57 83642 Boise
56 83605 Nampa
55 83627 Mountain Home
55 83203 Fort Hall
54 83638 Mccall
54 83623 Mountain Home
52 83821 Coolin
51 83245 Pocatello
49 83211 Burley
48 83633 Mountain Home
47 83201 Pocatello
46 83655 Payette
46 83427 Idaho Falls
45 83637 Lowman
45 83541 Lewiston
43 83120 Idaho Falls
42 83346 Burley
42 83454 Idaho Falls
42 83236 Firth
41 83843 Moscow
39 83313 Bellevue
38 83444 Idaho Falls
38 83709 Boise
38 83421 Chester
36 83835 Coeur D Alene
36 83869 Coeur D Alene
36 83237 Franklin
35 83278 Stanley
34 83285 Idaho Falls
33 83535 Lewiston
33 83857 Moscow
33 83337 Mountain Home
32 83353 Sun Valley
31 83704 Boise
31 83858 Coeur D Alene
31 83871 Moscow
31 83332 Twin Falls
30 83834 Moscow
30 83854 Coeur D Alene
30 83876 Coeur D Alene
30 83226 Challis
29 83311 Burley
29 83352 Shoshone
29 83622 Garden Valley
29 83422 Driggs
28 83720 Boise
28 83855 Moscow
27 83202 Pocatello
26 83714 Boise
26 83246 Pocatello
25 83276 Soda Springs
25 83823 Moscow
25 83445 Rexburg
24 83806 Moscow
24 83832 Lewiston
24 83872 Moscow
24 83537 Lewiston
23 83615 Donnelly
23 83824 Moscow
23 83844 Moscow
23 83639 Marsing
22 83450 Terreton
21 83611 Cascade
21 83660 Nampa
21 83651 Nampa
20 83705 Boise
20 83334 Twin Falls
19 83343 Minidoka
19 83522 Cottonwood
19 83632 Cambridge
19 83801 Coeur D Alene
19 83436 Rexburg
18 83552 Stites
18 83706 Boise
18 83214 Pocatello
17 83336 Rupert
17 83520 Ahsahka
17 83546 Pierce
17 83653 Nampa
17 83661 Cambridge
17 83851 Plummer
17 97913 Payette
17 83525 Elk City
16 83544 Orofino
16 83327 Fairfield
15 83341 Twin Falls
15 83420 Ashton
15 83548 Lewiston
15 83644 Nampa
15 83815 Coeur D Alene
15 83434 Rexburg
14 83455 Victor
14 83656 Nampa
14 83861 Coeur D Alene
14 83634 Boise
13 83641 Boise
13 83873 Wallace
13 83333 Hailey
12 83545 Lewiston
12 83680 Meridian
12 83839 Kingston
12 83344 Twin Falls
11 83447 Paul
11 83464 Leadore
11 83530 Grangeville
11 83612 Council
11 83672 Cambridge
11 83845 Moyie Springs
11 83323 Burley
10 83602 Banks
10 83610 Cambridge
10 83669 Boise
10 83833 Coeur D Alene
10 83836 Hope
10 83252 Malad
9 83312 Burley
9 83335 Jerome
9 83423 Dubois
9 83448 Rexburg
9 83619 Payette
9 83657 Ola
9 83736 Lowman
9 83803 Coeur D Alene
9 83870 Tensed
9 83314 Twin Falls
8 83526 Ferdinand
8 83629 Horseshoe Bend
8 83703 Boise
8 83813 Cocolalla
8 83228 Clifton
7 83272 St Charles
7 83325 Jerome
7 83347 Jerome
7 83438 Parker
7 83524 Lewiston
7 83677 Yellow Pine
7 83874 Murray
7 83877 Post Falls
7 83213 Arco
6 83255 Moore
6 83271 American Falls
6 83303 Twin Falls
6 83330 Gooding
6 83466 North Fork
6 83676 Nampa
6 83822 Oldtown
6 83826 Eastport
6 83206 Pocatello
5 83234 Pocatello
5 83250 Pocatello
5 83262 Pingree
5 83321 Twin Falls
5 83446 Spencer
5 83811 Clark Fork
5 83215 Atomic City
4 83302 Twin Falls
4 83324 Dietrich
4 83433 Macks Inn
4 83463 Gibbonsville
4 83539 Kooskia
4 83543 Nezperce
4 83837 Kellogg
4 83209 Pocatello
3 83232 Dayton
3 83241 Grace
3 83277 Springfield
3 83281 Pocatello
3 83320 Carey
3 83348 Picabo
3 83425 Hamer
3 83549 Riggins
3 83604 Bruneau
3 83628 Homedale
3 83631 Idaho City
3 83654 New Meadows
3 83670 Sweet
3 83713 Boise
3 83810 Coeur D Alene
3 83223 Bloomington
2 83227 Clayton
2 83251 Mackay
2 83261 Paris
2 83349 Richfield
2 83355 Wendell
2 83523 Craigmont
2 83531 Fenn
2 83555 Lewiston
2 83626 Nampa
2 83645 Cambridge
2 83646 Boise
2 83804 Blanchard
2 83825 Dover
2 83846 Mullan
2 83848 Nordman
2 73429 Island Park
1 83244 Howe
1 83256 Moreland
1 83287 Fish Haven
1 83435 Monteview
1 83441 Rexburg
1 83451 Rexburg
1 83452 Tetonia
1 83460 Rexburg
1 83462 Carmen
1 83630 Houston
1 83712 Boise
1 83725 Boise
1 83802 Avery
1 83830 Fernwood
1 83850 Pinehurst
1